Evaluation Worksheets - Answer Key. Key Science 4

7/23/2019 Evaluation Worksheets - Answer Key. Key Science 4

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KEY SCIENCE 4

EVALUATION WORKSHEETS, ANSWER KEY

INITIAL EVALUATION

1. What life process provides us with energy so that we can carry out the other life processes?Nutrition.

2. Write the name of an organ in each system.Digestive system: stomach; Circulatory system: heart; Respiratory system: lungs; Excretory system:kidneys; Reproductive system: ovaries.

3. List the stages of the human life cycle.infancy, childhood, adolescence, (young adulthood), adulthood, old age.

4. Match each food with its origin.animal: fish and eggs.plant: bread, fruits and vegetables.

mineral: salt and water.5. Write the names of the four groups of living things.a. animals, b. plants, c. microorganisms, d. fungi.

6. What are the three states of water?solid, liquid and gas.

7. Write the name of an important invention.Model answer: the wheel.

8. Write the names of the four seasons. Write the month when each season begins.spring: March; summer; June; autumn: September; winter: December.

9. What is the name of your city, town or village? Which Autonomous Community does it belong to?Check answers.

10. Name two jobs that get natural products.Model answer: fisherman, miner.

UNIT 1

1. Order the words to make a sentence.Our bodies change food into small substances called nutrients that give us energy and help us togrow.

2. Match the two columns.Digestive system: It changes food into nutrients.Circulatory system: It takes nutrients around our body.Respiratory system: It takes the oxygen our body needs from the air.Excretory system: It eliminates waste substances.

3. Look at the picture and label the parts of the digestive system.Check Student Book.

4. Complete the following sentences.• Digestion begins in your mouth.• Food mixes with gastric juices in your stomach.• The liver and the pancreas produce juices that go to the small intestine.

KEY SCIENCE 4EVALUATION WORKSHEETS, ANSWER KEY



• Nutrients go into the blood in the small intestine.• The food that we cannot digest is absorbed in the large intestine.• Faeces are expelled outside the body through the anus.

5. Explain how urine is formed. The kidneys remove waste substances from the blood. Together with water,these substances become urine.

6. Look at the picture and label the parts of the urinary system.Check Student Book.

7 Match the two columns.Proteins: meat and fish.Fats: butter.Carbohydrates: rice and pasta. Vitamins and minerals: fruits and vegetables.

8. Where does food come from? Complete the table. Animals: eggs, cheese, fish.Plants: cereals, read.Minerals: salt.

UNIT 2

1. Complete the sentences.• We inhale when we take in air.• We exhale as the air leaves our bodies.• Gases are exchanged during breathing.

2. Tick (! ) the true sentence. Write the false sentence correctly. The air that enters our lungs has more oxygen than the air that leaves our lungs.

3. Name three gases in the air that we breathe.Oxygen, carbon dioxide and hydrogen.

4. Look at the picture. Label the parts of the respiratory system.Check Student Book.

5. What is the function of these organs in the respiratory system?• Nostrils: They heat and moisten the air we breathe. They have short hairs that filter the air.• Pharynx: It controls the air going to the lungs and the food going to the oesophagus.

6. Complete the sentences.When we inhale, our lungs expand. When we exhale, the lungs contract.

7. Name two habits that are healthy for our respiratory system.Model answer. Breathing through the nose and not smoking.

8. Describe how the circulatory system functions.• It takes nutrients from the process of digestion to all the parts of our body.• It also takes oxygen that we inhale to all the parts of our body.• It takes waste substances to the excretory system.

9. Complete the crossword about the circulatory system.1. platelets; 2. arteries; 3. heart; 4. capillaries; 5. veins.

10. What is a heartbeat? The sound of the rhythm of the heart relaxing and contracting.




UNIT 3

1. Explain this sentence. This means that both sexes have to take part in reproduction: the female sex and the male sex.

2. Complete the table.Men Women

More body hair X More developedbreasts

X

Deeper voice X

Higher voice X

Wider hips X

3. Order the words to make two sentences.• Human beings reproduce and children are born.• We are similar to our parents, but we are also unique.

4. Match the two columns.Female reproductive system: fallopian tubes, vagina, vulva, uterus.Male reproductive system: testicles, penis.

5. Explain the function of the following organs in the male reproductive system.• Penis: Urine and sperm come out of it.• Testicles: They produce sperm.

6. Look at the picture and label the different parts of the female reproductive system.Check Student Book.

7. Complete the sentences.

• Puberty is the stage in people’s development in which their reproductive organs mature.• From this stage, the ovaries begin to produce ovules, and the testicles produce sperm.

8. Write the name of the organ.• Ova are produced in the ovaries.• Sperm is produced in the testicles.

9. Write the corresponding words.a) The union of an ova and a sperm. Fertilisation.b) When the baby leaves its mother’s body through the vagina. Birth.c) The development of a new being inside its mother’s body, which lasts for about ninemonths. Pregnancy.

10. Write sentences using each pair of words.• fertilisation – fallopian tubes: Fertilisation takes place in the Fallopian tubes.• embryo – amniotic sac: The embryo is protected in the amniotic sac.

UNIT 4

1. Look at the illustrations. Write the names and what type of living thing they are. Animals: 7. bird, 5. frog, 8. person.Plants: 4. pine tree, 1. rose.Fungi: 2. mushroom, 6. mould.Micro-organisms: 3. microbe.

2. Read the definitions and write the type of living thing.KEY SCIENCE 4




a) They are small and we cannot see them without a microscope: micro-organisms.b) They cannot move. They can make their own food: plants.c) They cannot move. They cannot make their own food: fungi.d) They can move. They cannot make their own food: animals.

3. What’s the meaning of the word fertile? Tick (! ) the correct answer. A living thing can reproduce.

4. A donkey and horse can reproduce. Their offspring are called mules. Why is it impossible for mulesto reproduce?Mules cannot reproduce because donkeys and horses do not belong to the same species.

5. Complete the sentences.• Mushrooms grow from long, thin filaments called hyphae.• Fungi reproduce from spores.

6. Match the two columns.Moulds: They have many hyphae but do not produce mushrooms. Yeasts: They do not have hyphae and they do not produce mushrooms.Mushrooms: They are the visible part of fungi that grow under the ground.

7. What food can we make from yeasts?Cheese, bread, yoghurt.

8. Match the words to the definitions.Microscope: Special instruments to see very small things.Beneficial: Something that is good for you. Antibiotics: Medicines used to treat illnesses caused by bacteria. Virus: Non-living things that produce illnesses.

9. Write two characteristics of viruses.Model answer: They are not living things. They produce illnesses.

10. Write two sentences using these words.

Model answer: Bacteria are very small micro-organisms. Some bacteria are beneficial and makeyoghurts, but other bacteria cause illnesses.

FIRST TERM EVALUATION

1. Read the words and put them in the correct category.• Foods: fish, eggs, chocolate cake, tomato.• Nutrients: vitamins, minerals, fats, proteins.

2. Complete the table. Name the systems that take part in nutrition and their function.

System Function

Digestive Transform food into simple substances.Circulatory Take nutrients to all parts of our body.

Respiratory Inhale oxygen and exhale carbon dioxide.Excretory Eliminate waste substances.

3. Explain what each respiratory movement consists of.• Inhaling: breathe in air with oxygen.• Exhaling: breathe out air with carbon dioxide.

4. Write two physical features of women. Write two physical features of men.Women: high voice, wide hips.




Men: body hair, low voice.

5. Look at the pictures and label the organs.Check Student Book.

6. In which phase of reproduction are both sexes necessary?Fertilisation.

7. Write two habits that help us to stay healthy and avoid illness and disease.Model answer: washing our hands before eating, brushing our teeth.

8. Write the origin of each food.Food Origin

sardines animal

salt mineral

sausages animal

butter animal

bread plant

melon plant9. Complete the word map about the classification of living things.animals, plants, fungi and micro-organisms.

10. Explain what fungi are.Check answers.

UNIT 5

1. Tick (! ) the features that are characteristic of a habitat.water, soil, temperature, sunlight.

2. Tick (! ) the true sentences. Then correct the false sentences. T, F, T. A community is the group of living things that share the same habitat.

3. What are the two groups of ecosystems? Give an example of each group.Model answer: Terrestrial: deserts, Mediterranean forests. Aquatic: lake, sea.

4. Match the two columns.Marine ecosystems: shark, jellyfish, coral.Freshwater ecosystems: insect, water lily, frog.

5. Name four terrestrial ecosystems. Write about one characteristic of each ecosystem.Deserts: extreme temperatures.Mediterranean forests: moderate temperatures.Jungles: precipitations almost all year. The Poles: very low temperatures all year.

6. Look at the pictures and write the type of ecosystem.1. desert. 2. Mediterranean forest; 3. jungle; 4. Pole.

7. What types of relationships exist between living things in a community?Relationships among the same species and among different species.

8. What does it mean when we say that living things in an ecosystem have a food relationship?It means that plants are food for herbivores and herbivores are food for carnivores.




9. Look at the pictures. What is this kind of representation called?It is a food chain. The seeds are food for the squirrel and the squirrel is food for the fox.

10. Use these words to write a sentence. The living things of an ecosystem interact with members of their own species and with members ofother species.

UNIT 6

1. Complete the sentences with can or cannot.Matter may be pure. It may also be a mixture of different parts. We can see all the parts in aheterogeneous mixture. We cannot see the parts in a homogeneous mixture.

2. Write True or False. Write the false sentence correctly.b. Volume is the space that matter occupies.

3. Complete the sentences.• We can measure mass in grams or in kilograms.• We can measure volume in litres.

4. Match each picture to the state of the matter it represents.3, 1, 2.

5. Read the sentences and circle the correct option.• Matter in solid state has its own shape. It occupies a fixed volume.• Matter in liquid state doesn’t have its own shape. It occupies a fixed volume.• Matter in gas state doesn’t have its own shape. It doesn’t occupy a fixed volume.

6. Match the two columns.Hardness: It is difficult to cut or scratch.Elasticity: After stretching it, it returns to its original shape.Water resistance: It does not let liquids go through it.

Resistance: It is difficult to break.7. Give an example of a material which has these properties.Check Student Book.

8. Write which materials are these objects made of and their properties.1. The bag is made of leather. This material is flexible and soft.2. The spade is made of wood and iron. These materials are resistant.

9. Write N if the material is natural and A if it is artificial.Natural: wood, wool, paper, leather. Artificial: plastic, glass.

10. Name a material that is a good conductor of electricity.Iron, copper.

UNIT 7

1. Write the name of the two types of forces.Contact forces and non-contact forces.

2. Complete the sentences.Simple machines, like wheels, work very simply. Complex machines, like cars, are made of manysimple machines. Complex machines work with electricity or other energy sources.

3. Look at the pictures and write simple machine or complex machine.




Simple machine: 2, 3 and 6.Complex machine: 1, 4 and 5.

4 What are the three main parts of a lever?Point of support, load, effort.

5. Look at the picture and label the parts of the lever.Check Student Book.

6. What is a ramp? Complete the sentences. A ramp is a simple machine. It is an inclined plane. We use ramps to lift / raise heavy objects up anddown without lifting them off the ground.

7. Write PS (point of support), E (Effort) and L (Load) in the correct place.Check Student Book.

8. Explain what a pulley is and what it is usually used for. A pulley is a simple machine. It helps us lift heavy objects more easily. A pulley is a wheel that turns onan axis. A rope goes round the wheel.

9. Look at the pictures and decide which ones are levers or pulleys.

Lever: 2, 3, 5.Pulleys:1, 4.

10. Match the two columns. Vehicles: bus. Telecommunications devices: mobile phone, television.Medical and optical instruments: telescope, thermometer.Electrical appliances: dishwasher.

UNIT 8

1. What is the weather?

The weather is the state of the atmosphere at a particular time and place. The weather often changes.It is determined by temperature, precipitation and wind.

2. Match the two columns.Wind: hurricane, breeze. Temperature: cold.Precipitation: hail, snow.

3. Look at the following temperature graph and complete the sentences.• The coldest day was Wednesday.• Friday was the hottest day.

4. Make a temperature graph using the following information.Check the answers.

5. Complete the following sentences.Spring begins on 21st March. Summer begins on 21st June. Autumn begins on 23rd September andwinter begins on 21st December.

6. Look at the pictures and write the season.1. winter, 2. autumn, 3. spring, 4. summer.

7. Complete the sentences. The soil is the top layer of ground. It is made up of organic matter that comes from the remains ofliving things. It also has inorganic matter, like sand and rocks.There is also air and water in the soil.

8. The following sentence is false. Circle the mistakes and write it correctly.

Humus is made up of remains of living things.KEY SCIENCE 4




9. Give examples of three animals that live in your Autonomous Community.Check the answers.

10. Why should we not pull up plants when we take a walk through the countryside? The roots hold and protect the soil. (Answers may mention our need to respect the environment.)

SECOND TERM EVALUATION

1. Write the name of the ecosystems in these pictures.1. freshwater, 2. desert, 3. poles.

2. What are the types of relationships between living things of the same species in an ecosystem? They can protect each other and reproduce.

3. Complete the sentences.• We can find matter in three states: solid, liquid and gas / gaseous.• Matter can be pure or a mixture. When it is a mixture, it can be heterogeneous or homogeneous.

4. Write the properties of the following materials and whether their origin is natural or artificial.

iron: resistant, conductor, natural originwood: insulator, opaque, natural originglass: hard, fragile, transparent, artificial originrubber: elastic, insulator, artificial origin

5. What types of machines are there? Give an example of each one.Simple and complex machines. Check examples.

6. Classify these inventions in the following table.Modern inventions

Vehicles train

Electrical appliances washing machine Telecommunication devices telephone

Optical instruments microscopeMedical instruments thermometer

7. What is the difference between weather and the climate? The weather is the state of the atmosphere at a particular time and place.Climate is the typical temperature and precipitation in a place over a long period of time.

8. Complete the table. Answers for temperature and precipitation may vary:

Season Starts Temperature Precipitation

spring 21 March mild rain

summer 21 June high dry

autumn 23 September mild rain

winter 21 December low snow

9. Complete the sentences. There are three main layers of soil.• The topsoil is the layer of humus, sand and water where plants and animals live.• The subsoil is a layer of sand and rocks below the topsoil.




• The bedrock is the deepest layer. The biggest rocks are in the bedrock.

10. Name one animal and one type of vegetation in your Autonomous Community.Check the answers.

UNIT 9

1. Complete the sentences using the words municipality or province. A municipality consists of a municipal area, its territory and its population. There are one or moredistricts in a municipality. A province is made up of several municipalities. Each province has aprovincial capital.

2. Colour in your Autonomous Community and describe its political borders.Check the answers.

3. Classify the following provinces according to the type of autonomous community they belong to.One province: Madrid, Cantabria, La Rioja, Illes Balears, Asturias, Navarra, Murcia.More than one province: Huesca, Lugo, Alicante, Las Palmas, Cádiz, Badajoz, Toledo, Palencia, Álava, Girona.

4. Write the name of the two Autonomous Cities.Ceuta and Melilla.

5. Look at the map and give three examples of Autonomous Communities that have only oneprovince and three examples of Autonomous Communities that have more than one province.One province: La Rioja, Región de Murcia, and Cantabria.More than one province: Extremadura, Galicia and Andalucía.

6. How many provinces are there in your Autonomous Community? What is its capital?Check the answers.

7. Write the name of two traditions in your Autonomous Community.Check the answers.

8. Complete the following sentences.• The most important law in an Autonomous Community is the Statute of Autonomy.• This law defines it’s territory, it’s capital, its governing institutions, its duties and its symbols.

9. What are the governing institutions in your Autonomous Community?Check the answers.

10. Draw the flag and the coat of arms of your Autonomous Community.Check the answers.

UNIT 10

1. Explain which territories make up Spain and colour them on the map.Spain is made up of most of the Iberian Peninsula, the Balearic Islands, the canary islands and thecities of Ceuta and Melilla.

2. What are Spain’s political borders? To the north: France and Andorra. To the south: Morocco. To the east:" To the west: Portugal.

3. Write the names of Spain’s physical borders in the right place.Check correct labelling of the Pyrenees, the Cantabrian Sea, the Atlantic Ocean and the

Mediterranean Sea.KEY SCIENCE 4




4. What is the most important law in Spain? When was it passed? The Constitution. It was passed on 6 December 1978.

5. Write two rights and two duties that are included in the Constitution.Check Student Book.

6. Complete the sentence.

According to the Constitution, Spain is a parliamentary monarchy. Parliament governs Spanish politicsand the King is head of state.

7. Put the following words in order according to the process of forming a government.General elections, deputies and senators, president of the Government, ministers. 8. Tick (! ) the correct sentences. Then write the false sentences correctly.Parliament is also called the Cortes.Parliament is formed by deputies and senators.

9. Complete the sentences using the words Government, Congress, and Senate.• The Senate can modify laws.• The Congress votes on laws that affect all of Spain.

• The Parliament governs the country.

10. Describe the official Spanish flag using the words red and yellow.• It has two red stripes and one yellow stripe in the middle.• The red stripe is twice the size of one of the yellow stripes.

UNIT 11

1. Complete the sentence.• Some jobs make products. For example, workers make cars in factories.• Other jobs provide services. For example, doctors.

2. Define the three economic sectors.• The primary sector gets products from nature.• The secondary sector transforms raw materials to make manufactured products.• The services, or tertiary, sector provides services

3. Write Primary, Secondary or Services for each type of economic activity.education: Services construction: Secondarymining: Primary fishing: Primaryindustry: Secondary trade: Servicesagriculture: Primary health care: Servicestourism: Services animal farming: Primary

4. Tick (!

) the correct sector for each job.Job Primary Secondary Services

dentist !

fisherman !

factory worker !

carpenter !

teacher !

miner !




journalist !

farmer !

waiter !

5. Write the name of four crops in your Autonomous Community.Check Student Book.

6. Look at this graph showing the different sectors of economic activity. In which sector do mostpeople work? In which sector do fewest people work?• Most people work in the services sector.• Fewest people work in the primary sector.

7. Complete the sentences.• Retail shops sell directly to consumers.• Wholesale shops only sell to other shops.• International trade is between countries.

8. Write about economic activities in the secondary sector.Check answers.

9. Describe two ways that we use technology to exchange information.Model answers: mobile phones, computers.

10. What are the main types of tourism in your Autonomous Community?Check answers.

UNIT 12

1. Which discovery separates Prehistory and History? The invention of writing.

2. Write three sentences about life in Prehistory.Model answer: They lived in caves. They made tools carving stones and bones. They hunted wildanimals.

3. Put the following stages in History in order (starting with the oldest) and place them on a timeline:Check answers.

4. Complete the sentences about Roman civilisation.• The capital of the Roman Empire was Rome.• The Roman Empire was governed by an emperor.• There were free men and slaves in Roman society.

5. Complete the following crossword about the Roman civilisation.

1. aqueducts; 2. Latin; 3. circus; 4. temple.

6. Complete the sentences about the Middle Ages.• In the Middle Ages Christians and Muslims shared the Iberian Peninsula.• The Christians lived in the north of the peninsula . Their highestauthority was the king. They lived in castles.• The Muslims were governed by a caliph. Their language was Arabic, and their religion was Islam.

7. Complete the sentences about discoveries.In 1492 Colón discovered the continent of America. Other European expeditions discoverednew routes to Africa and Asia. They returned with many new products.

8. Match each picture to a stage in History.

1. Modern Times; 2. Middle Ages; 3. Contemporary Times; 4. Ancient History.KEY SCIENCE 4




9. Name two discoveries from the twentieth century.Model answers: computers, television.

10. Match the two columns.Medical and health advances: vaccines. Technological advances: computers, airplanes.Social advances: schools.

THIRD TERM EVALUATION

1. Name the Autonomous Communities shown on the map and the provinces that make them up.Check answers.

2. Write the name of the governing institutions in your Autonomous Community.Check answers.

3. Write the physical and political frontiers of Spanish territory. To the north: Cantabrian Sea. To the south: Atlantic Ocean, Mediterranean Sea, Morocco.

To the east: Mediterranean Sea. To the west: Atlantic Ocean, Portugal.

4. Classify the rights and duties we all have.

Rights Duties

decent housing pay taxes

education obey the laws

5. Give two examples of activities for each sector.Check answers.

6. Name two products from the primary sector and two activities from the secondary sector that canbe found in your Autonomous Community.Check answers.

7. Explain what these types of commerce are.• Retail shops sell to consumers.• Wholesale shops sell to other shops.• International trade is between countries.

8. List the communications systems in your Autonomous Community.Check answers.

9. Put the following stages of History into order, beginning with the most ancient.Prehistory – Ancient History – Middle Ages – Modern Times – Contemporary Times.

10. Name a feature that corresponds to each stages in the History of Spain.Model answers: Ancient History: Roman Empire.Middle Ages: Muslims and Christians.Modern Times: discovery of America.Contemporary Times: open answers.




FINAL EVALUATION

1. Classify the following words. Indicate which task each system is responsible for in the function ofnutrition.Digestive system: small intestine, oesophagus.Circulatory system: heart, platelets.Respiratory system: larynx, bronchi.Excretory system: sweat glands, bladder.

Digestive system: It is a long tube where digestion takes place.Circulatory system: It transports nutrients, oxygen and waste substances.Respiratory system: Breathing takes place there.Excretory system: It makes and carries urine.

2. Complete the sentence.• During nutrition, food becomes simple substances called nutrients.

3. Write three healthy eating habits.Check answers.

4. Explain the following words.

Reproduction: It lets living things create new life that is similar to themselves.Fertilisation: it is the first phase of the reproduction process.Pregnancy: It is when a baby develops inside a mother’s uterus.Birth: It is when the baby is born after nine months pregnancy.

5. Explain the differences between animals, plants and fungi including the words can / cannot andmove / make food.Check answers.

6. Look at the picture and write the name of this terrestrial ecosystem. What types of relationshipsthere between the living things that live in it?Model answer: It’s a Mediterranean forest. The living things living there protect themselves, reproduceand hunt together. There are also food relationships.

7. Write the name of two natural resources that are useful to us.Check answers.

8. Classify the following machines.Simple machines: pulley, scissors, wheel, inclined plane.Complex machines: computer, washing machine, toaster, lorry, television.

9. What are the characteristics of weather? Temperature, precipitation and wind.

10. Complete the sentences.• The layer of ground and other materials that cover the rocks is called soil.• It is made up of two types of matter: organic and inorganic.• The soil can be divided into several layers: topsoil, subsoil and bedrock.

11. Find your province on the map. Colour your Autonomous Community and write thenames of the Autonomous Communities around it.Check answers.

12. Complete the sentences.Spanish territory is made up of most of the Iberian Peninsula, the Balearic Islands, the Canary Islandsand the cities of Ceutaand Melilla. The most important law in Spain is the Constitution. The Head of State is the King.




13. Classify each of the following jobs into its corresponding sector.

Primary sector Secondary sector Services sector

miner factory worker taxi driver

beekeeper electrician teacher

farmer craftsman doctor

14. Write down the names of the different communication systems and give an example of each one.Check answers.

15. Write to which stage in history each sentence is referring to.• It begins with the discovery of writing. Ancient History.• There were many technological inventions. Contemporary Times.• In Spain Christians and Muslims lived together. the Middle Ages.• It begins with the discovery of America. Modern Times.


Evaluation Worksheets - Answer Key. Key Science 4

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