NOTE FOR THE TEACHER REGARDING LAB ACTIVITY :

1. The science teachers to make sure that the following experiments/activities listed classwise

are to be done in the Composite Science Labs which are required to be established in every

school. Following lab apparatus are to be procured for every lab :

Test tubes, Beakers, Funnels, Bunsen Burner, Conical Flasks, Separating Funnels, Test

Tube Holders, Boiling Tubs, Filter Papers, Glass Rods, Spatula, Wire Gauge, Round Bottom

Flasks, China Dish, Glass Slides, Metallic Bob, Iron Stand, Dropper, Litmus Paper, Petri

Dish, Watch Glass, Bar Magnet Iron, Mirror Strip, Drawing Board, Microscope, 2-D type 1.5

v. Cells, Cell Holder, Plug key/Switch, Nichrome Wire, Permanent slides of Bacteria,

Spirogyra, Rizopus, Pair of Tongs, Magnesium Ribbon, Cover slip, forceps, Blade, Brush,

Blotting Paper, thermometers : Laboratory and Clinical, Magnetic Compass, Magnets : Bar,

circular, Cylindrical, Spring Balance, Tuning Fork, Mirrors : Plane, Convex, Concave, Lenses

: concave, Convex, A magnifying lens

2. Following Solutions and Chemicals are to be in every Composite Lab :

Iodine Solution, Copper Sulphate Solution, Sulphar Water, Dilute Hhydrochloric Acid,

Phenolphthalein, Acetic Acid, Sodium Hydroxide Solution, Litmus Solution, Glycerin,

Safranine, NaOH, Lime Water, Vinegar, Distilled Water, Zinc Granules, Methylene Blue

Stain, Iron Fillings, Ethyl alcohol, Starch powder, pH paper.

3. Charts :

(i) Human Digestive System (ii) Human Circulatory system (iii) Human Excretory System (iv) Human Respiratory System (v) Human Endocrine System (vi) Vitamins and Minerals Deficiencies Chart

4. In the separate practical record file/copy to be maintained wherein, the experiments to be recorded under the following heads : (i) Aim (ii) Apparatus and Materials Used (iii) Procedure (iv) Observations (v) Questions given with the experiments

3. From the session 2019-20, the marks distribution for the various terms would be as follows :

TERM-I

Periodical 10 Marks

100 Marks

Subject Enrichment activity 5 Marks Note Book 5 Marks

Practical 10 Marks (2 marks for practical record & 8 marks for practical performed & inference drawn)

Half Yearly Theory 70 Marks (60 marks + 10 marks of practical based questions)

TERM-II

Periodical 10 Marks

100 Marks

Subject Enrichment activity 5 Marks Note Book 5 Marks

Practical 10 Marks (2 marks for practical record & 8 marks for practical performed & inference drawn)

Half Yearly Theory 70 Marks (60 marks + 10 marks of practical based questions)

4. The practicals of Term-I & II are clearly indicated in the table given below :

CLASS-VI EXPERIMENT NAME OF THE EXPERIMENT/ACTIVITY

Number 1. To be familiar with the commonly used laboratory apparatus.

TERM-I

Number 2. To test the presence of Proteins in Food.

Number 3. To test the presence of starch in Food.

Number 4. To test the presence of Fats in Food.

Number 5. To identify the conditions essential for germination.

Number 6. To understand the principle involved in separation of mixture of three components (Varying in size, shape and Colour.)

Number 7. To understand the principle involved in separation of two immiscible liquids using a separating funnel.

Number 8. To study the various parts of a flower (using a Hibiscus flower)

TERM-II

Number 9. To study that light travels in a straight line.

Number 10. To prepare a simple circuit and to understand the importance of parts of a circuit.

Number 11. To separate/identify a magnetic substance from a non-magnetic substance.

ACTIVITY – 1 :TO BE FAMILIAR WITH THE COMMONLY USED LABORATORY APPARATUS.

Q 1. Write the use of the following lab apparatus.

(a) Bunsen Burner

(b) Test Tube/Boiling Tube

(c) Test Tube Holder

(d) Separating Funnel

(e) Beaker/Conical Flask

Q 2. Why do we place the wire gauze on the Bunsen burner before heating any solution/chemical in a

beaker/conical flask?

Q 3. Why are beakers and conical flasks graduated/marked?

Q 4. Draw diagram of the below commonly used laboratory apparatus :

(a) Test Tube (b) Beaker (c) Bunsen Burner

ACTIVITY – 2 : TO TEST THE PRESENCE OF PROTEINS IN FOOD.

Q 1. What colour change do you observe?

Q 2. What inference can be drawn from the colour change?

Q 3. Name two food items which contain proteins?

Q 4. Food that contains proteins are often called _______________ foods.

ACTIVITY – 3 : TO TEST THE PRESENCE OF STARCH IN FOOD.

Q 1. What did you observe when you added iodine drops to raw potato?

Q 2. What does the above mentioned colour change indicate?

Q 3. Which of the following food products will show positive results for the starch test?

(a) Break/Chapattis (b) Parathas/Puris

(c) Milk (d) Pulses

Q 4. The two types of carbohydrates in our food are ______________ and ________________.

ACTIVITY – 4 : TO TEST THE PRESENCE OF FATS IN FOOD.

Q 1. Are you able to see the light faintly through this patch on the paper?

Q 2. An _______________ spot on paper indicates the presence of fats.

Q 3. ________________ and ________________ nutrients mainly give energy to our body.

Q 4. _______________ gives more energy as compared to the same amount of __________________

Q 5. Which of the following is an energy giving component? (Tick the correct one)

(a) Protein (b) Vitamins and Minerals

(c) Roughage (d) Carbohydrates and fats

Q 6. Ms. Soniya loves to eat burger & Pizza but doesn’t like eating her enough green vegetable. Her mother

insists on giving to her green vegetables. Why?

Q 7. After frying puris, mothers keep them on a tissue paper. Why?

ACTIVITY – 5 : TO IDENTIFY THE CONDITIONS ESSENTIAL FOR GERMINATION.

Q 1. Which of the earthen post show the germination seeds?

Q 2. What are the different conditions essential for germination of seeds?

Q 3. A farmer had sown wheat grains in his field but due to excessive rains the crop gets spoiled. Explain

why?

Q 4. Look at the pictures and complete the table : Put () or (×)

Condition A B C D

Air

Water

Sunlight

Germination

ACTIVITY – 6 : TO UNDERSTAND THE PRINCIPLE INVOLVED IN SEPARATION OF MIXTURE OF THREE COMPONENTS (VARYING IN SIZE, SHAPE AND COLOUR.)

Q 1. Name the methods of separation.

Q 2. What happens when the mixture of chana dal, rajma and wheat flour is sieved?

Q 3. Sieving allows the _____________ component of a mixture to pass through the holes of the sieve, while the

______________ component remains on the sieve.

Q 4. Handpicking can be done easily when one component of a mixture is of a ___________ colour and is

_____________ in size.

Q 5. Give reasons :

(a) Rajma can be handpicked easily from channa dal because ________________________________________________

(b) Tea leaves can be separated from tea because _____________________________________________________________

Q 6. Which method is used to separate pebbles and stones from sand at construction sites?

(a) Hand picking (b) Winnowing (c) Sieving (d) Any

Q 7. Which of the following mixture can be separated by handpicking?

(a) Stone from rice (b) Maida and wheat flour

(c) Salt and sugar powder

Q 8. Ayush grandmother bought a 10 kg bag of wheat grains. Before getting it grinded she spread it under

the sun. A strong wind blew and dust and leaves shed from a nearby tree got mixed with wheat grains.

How will she remove dust and leaves from the wheat grains?

ACTIVITY – 7 : TO UNDERSTAND THE PRINCIPLE INVOLVED IN SEPARATION OF TWO IMMISCIBLE LIQUIDS USING A SEPARATING FUNNEL.

Q 1. What did you observe when you allowed the mixture of oil and water to stand undisturbed for

sometime?

Q 2. Which liquid forms the upper layer and why?

Q 3. Which liquid forms the lower layer and why?

Q 4. Immiscible liquids are those which form _______________ layers on mixing with each other.

Q 5. Liquids which mix with each other and no line of separation is seen between them are called ____________

liquids.

Q 6. Which of the following mixture can be separated by using a separating funnel?

(a) Alcohol and water (b) Ink and water

(c) Petrol and water (d) Milk and water

Q 7. An oil and vinegar salad dressing has to be shaken in order to mix the ingredients and then used

immediately or the oil and vinegar will separate. Explain why?

Q 8. Label the diagram using the following words :

Water, Stopcock and oil.

ACTIVITY – 8 : TO STUDY THE VARIOUS PARTS OF A FLOWER (USING A HIBISCUS FLOWER)

Q 1. How many green leaves surround the bottom of the flower and what is the name given to these leaves :

Q 2. Are all the sepals joined or separated?

Q 3. What is the colour of petals and how many petals are present?

Q 4. Are all the petals joined or separated?

Q 5. How many stamens are there? Name the parts of stamen.

Q 6. Name the three parts of a pistil.

Q 7. Name the four whorls of the flower.

Q 8. Fill in the blanks :

(a) _____________________________ of the pistil becomes seeds.

(b) _____________________ is the outer most and _____________________ is the innermost part of a flower.

(c) The tiny bead like structures seen inside the cut parts of the ovary are called _________________

Q 9. Choose the correct answer :

(i) The male reproductive part of a flower is :

(a) Stamen (b) Pistil (c) Sepal (d) Petal

(ii) The part of the plant that houses the ovule or egg is called the :

(a) Ovary (b) Style (c) Petal (d) Filament

(iii) After fertilization this part of a plant eventually becomes the fruit :

(a) Seed (b) Ovary (c) Sepal (d) Petal

(iv) This part or the flower is often scented and attracts insects :

(a) Ovary (b) Carpel (c) Sepal (d) Petal

(v) Flowers that contain both stamens and pistil/carpel are called :

(a) Complete flowers (b) Total flowers

(c) Perfect flowers (d) Imperfect flowers

Q 10. Find out the name of some unisexual flowers.

Q 11. How are fruit and vegetables different from each other?

Q 12. Flowers form reproductive parts of a plant and on maturity provide us fruits and seeds. Can you suggest

any other use of flower to us?

Q 13. Name the largest and the smallest flowers.

Q 14. Draw a neat labeled diagram of a flower.

ACTIVITY – 9 : TO STUDY THAT LIGHT TRAVELS IN A STRAIGHT LINE

Q 1. Were you able to see the candle when the rubber tube was beat? Why?

Q 2. What did this experiment prove?

Q 3. Give any two applications of rectilinear propagation of light.

Q 4. Through which of the following surface can light travel easily :

(a) Transparent (b) Translucent (c) Opaque

ACTIVITY – 10 : TO PREPARE A SIMPLE CIRCUIT AND TO UNDERSTAND THE SUE OF EACH PART

Q 1. When does the bulb glow?

Q 2. What will happen if we cut one of the wires?

Q 3. How do we connect all the components of the circuit?

Q 4. Why is copper used in making wires?

Q 5. What are the essential components of a circuit?

Q 6. What will happen if there is no switch in a circuit?

ACTIVITY – 11 : TO SEPARATE/IDENTIFY MAGNETIC AND NON-MAGNETIC MATERIALS

Q 1. What did you observe when a bar magnet is brought close to iron nails?

Q 2. Can a bar magnet attract rubber and plastic towards itself?

Q 3. Substances which are attracted towards a magnet are _________________

Q 4. Substances which are not attracted towards a magnet are ________________

Q 5. Name two magnetic materials.

Q 6. Where are magnets used?