Integrated Science – Year 7 – L5 to L8 – 2017 Page 1 of 12

DIRECTORATE FOR QUALTIY AND STANDARDS IN EDUCATION

Department of Curriculum Management

Education Assessment Unit

Annual Examination 2017

YEAR 7 INTEGRATED SCIENCE TIME: 1h 30min

Name: ________________________________________ Class: _________________

ANSWER ALL QUESTIONS

1. The teacher asked Jonathan and Meg to measure 5g of salt and 100ml of water.

a. From the list below underline the apparatus which they need to use.

measuring cylinder, funnel, Bunsen burner, electronic balance, tripod, wire gauze

(2 marks)

b. They also need to dissolve some salt in water.

Identify ONE way how they can make salt dissolve faster.

______________________________________________________________________

(1 mark)

c. Laboratory safety rules are followed to prevent accidents and injury.

i) State ONE safety rule which is not being followed in the picture below.

______________________________________________________________________

ii) Give ONE other safety rule which must be followed in a science laboratory.

______________________________________________________________________

(2 marks)

LEVELS

5 – 6 – 7 – 8

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2. Look at the diagram below.

a. Choose TWO vertebrates and TWO invertebrates. Write the animal’s name in the first

column. In the second column, write whether it is a vertebrate or invertebrate. The first one

has been given as an example.

(The animals in the pictures are not to scale.)

ANIMAL VERTEBRATE / INVERTEBRATE

Rabbit Vertebrate

(4 marks)

From the pictures above, name an animal which:

b. gives birth to live young __________________________ (1 mark)

c. has a moist skin and lays its eggs in water __________________ (1 mark)

Fox Frog

Spider

Fish

Turtle

Octopus

Deer Snail

Scorpion

Rabbit Beetle

Integrated Science – Year 7 – L5 to L8 – 2017 Page 3 of 12

3. Read the story below about Jamie.

Jamie woke up early on Saturday morning with a sparrow (għasfur tal-bejt) pecking at his

window. He jumped out of bed, put on his cotton jumper and ran downstairs. His mum was in

the kitchen making breakfast on their new gas cooker. Jamie ate a large bowl of cornflakes with

lots of milk. It was a beautiful day outside so Jamie decided to go into the garden and water his

sunflowers. He realised that they had really grown since the week before.

As he filled up his metal watering can he saw a big

fat slug crawling through the soil. “Aghh” he

screamed and ran back into the kitchen.

a. Place the underlined words in the correct place in the table below:

Living Non-living

(4 marks)

b. From the passage above, copy TWO words which show characteristics of living things.

Explain these words as shown in the following example.

ran ________ these words show that living things move____________

________________ ____________________________________________________

________________ ____________________________________________________

(2 marks)

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4. Use these pictures and names to answer the following questions.

a. Use the words in the box above to construct a food chain:

_________________________________________________________________________

(2 marks)

b. Name the producer in this food chain. ______________________________ (1 mark)

c. Name TWO consumers in this food chain.

___________________________ __________________________ (2 marks)

d. A farmer sprayed insect spray (insecticide) to control the amount of grasshoppers in his field.

How will this affect the number of shrews in the field?

_________________________________________________________________________

__________________________________________________________________________

(1 mark)

5. Complete the sentences below about forms of nutrition.

a. A wild rabbit eats grass and plants found in its habitat. Since the rabbit eats only plants, it is

a _________________________________.

(1 mark)

b. The Blue Rock Thrush (il-Merill) eats a variety of insects and small reptiles. It also feeds on

berries and seeds. Since it eats both plants and animals, the blue rock thrush is a/an

_________________________________.

(1 mark)

Integrated Science – Year 7 – L5 to L8 – 2017 Page 5 of 12

6. Zoe took part in a science fair and presented the model shown in the picture to show the different

states of matter. While carrying the model to school the descriptions of each state of matter fell

off.

A B C

Read the following descriptions and give the correct answers.

a. Description: Particles are arranged in a neat pattern and are very close together. They cannot

move about and so the shape does not change. They are very hard to squash.

Underline the correct answer: This is model ( A / B / C )

Complete: This shows a model of a ___________________ (2 marks)

b. Description: Particles are very far apart. They are not joined to each other at all. They move

all over the place in a random way, so the shape and volume changes all the time.

Underline the correct answer: This is model ( A / B / C )

Complete: This shows a model of a ___________________ (2 marks)

c. Description: Particles are slightly far apart. They are not arranged in a neat pattern and are

not joined strongly. They can slide over each other which is why this state of matter takes

the shape of the container it is put into.

Underline the correct answer: This is model ( A / B / C )

Complete: This shows a model of a ___________________ (2 marks)

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7. Choose words from the box below to complete the sentences that follow:

melting freezing evaporating boiling condensing

a. __________________________ is when liquid water turns into ice.

b. __________________________ is when water droplets form on the window pane.

c. __________________________ is when liquid water dries up and slowly turns into water

vapour.

(3 marks)

8. Fill in the blanks with the energy types found in the grid. Some words can be used once, more

than once or not at all.

stored

(potential)

heat movement stored

(chemical)

electrical sound light

a. A battery in a torch is an example of ____________________ energy being changed into

____________________ energy.

b. Turning on your TV is an example of ____________________ energy being changed to

both ____________________ and ____________________ energy.

c. The sunlight shining on solar panels is an example of ____________________ energy being

converted to ____________________ energy. This energy is then transformed to

____________________ energy when we turn on a lamp.

(8 marks)

Integrated Science – Year 7 – L5 to L8 – 2017 Page 7 of 12

9. James and Kayleigh want to investigate electrical circuits.

a. They connect two bulbs to a battery as shown below.

Using circuit symbols, draw a circuit diagram in the box below.

(3 marks)

b. Write TRUE or FALSE next to each of the statements below:

i) These bulbs are connected in series. ________________

ii) If one bulb fails, the other bulb will still light. ________________

(2 marks)

c. James and Kayleigh decided to change the circuit by adding more electrical components. The

circuit diagram below shows the changes they made to the circuit.

i) Which switches must be closed if bulbs A, B and D are to be lit? _______ and

_______ (2 marks)

ii) If switches, S1 and S3 are closed but switch S2 is open, which bulbs will light?

_______ and _______ (2 marks)

A B

C

D

S1

S2

S3

Page 8 of 12 Integrated Science – Year 7 – L5 to L8 – 2017

10. This question is about forces.

a. This photo shows the forces which are acting on a

floating toy.

i) What is the downwards force on the toy called?

______________________________________

(1 mark)

ii) Where is the upwards force coming from?

_____________________________________________________________________

(1 mark)

iii) Why is the toy floating?

______________________________________________________________________

(1 mark)

b. Flying squirrels do not really fly. They use flaps of skin between their front and back legs to

increase air resistance. This helps them glide between branches when they are moving

through the trees.

i) How do the flaps of skin help the flying squirrels to increase air resistance?

_____________________________________________________________________

_____________________________________________________________ (2 marks)

ii) Name ONE other example where increasing air resistance is useful.

_____________________________________________________________ (1 mark)

Integrated Science – Year 7 – L5 to L8 – 2017 Page 9 of 12

11. This question is about acids and alkalis.

a. Sort out the following objects into acids or alkalis in the table below.

ACIDS ALKALIS

(3 marks)

b. Tick () the box that shows the pH range which best describes strong acids.

pH 1-6 pH 11-14 pH 6-8 pH 1-3

(1 mark)

c. There are situations where acidity or alkalinity has to be removed. Match the situation to the

answer by putting the correct number in the third column.

1 Indigestion causing heartburn Use bicarbonate of soda

2 Acid caused by bacteria in mouth Add vinegar

3 Bee sting Take antacid tablets

4 Acidic soil Use toothpaste

5 Jellyfish sting Add lime

(5 marks)

Soap

Lemons Baking Soda

Page 10 of 12 Integrated Science – Year 7 – L5 to L8 – 2017

12. Air is a mixture of gases.

a. Underline the gas which makes up the largest part of air.

carbon dioxide, oxygen, nitrogen, sulfur dioxide

(1 mark)

b. Underline the gas which is NOT present in air.

carbon dioxide, hydrogen, nitrogen, water vapour

(1 mark)

c. A weather balloon carries instruments to study the

upper part of the atmosphere such as temperature. At

times hydrogen is used to fill these balloons.

(i) Which property of hydrogen helps balloons to rise in air?

_____________________________________________________________________

(1 mark)

(ii) Sometimes other gases, such as helium, are safer to use then hydrogen. Which

property of hydrogen can make the use of helium a safer choice?

_____________________________________________________________________

(1 mark)

Integrated Science – Year 7 – L5 to L8 – 2017 Page 11 of 12

13. This question is about cells.

Animal cells and plant cells have things in common but also differ in many ways.

a. Which of these cells is a plant cell? _________________ (1 mark)

b. Name the parts of the cells labelled A, B and C

A: ______________________

B: ______________________

C: ______________________

(3 marks)

c. The diagram below shows a specialised cell.

i) What is this cell called? __________________________

(1 mark)

ii) Write True or False

This cell is the male sex cell. ____________

This cell is larger than the egg cell. ____________

(2 marks)

Page 12 of 12 Integrated Science – Year 7 – L5 to L8 – 2017

14. The diagram below shows the female reproductive system.

a. Name the following parts:

1:_________________________ 3: ___________________________

5:_________________________ 6:___________________________

(4 marks)

b. Write the number showing the part of the reproductive system where each of the

following takes place. The first one has been done as an example.

i. Each month an egg is released from here. ____1_____

ii. The egg travels through here on its way to the uterus. __________

iii. A fertilised egg implants itself here. __________

iv. Here the fertilised egg develops into a baby. __________

v. This part dilates (opens up) for the baby to be

pushed out. __________

(4 marks)

End of paper. Check your work again.