Science TN SB Class VII

Term – 1

Measurement

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1. Question set 1
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22. Question set 22
23. Question set 23

Force and Motion

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Answer the following

1. Question set 1
2. Question set 2
3. Question set 3
4. Question set 4
5. Question set 5
6. Question set 6
7. Question set 7
8. Question set 8
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10. Question set 10
11. Question set 11
12. Question set 12
13. Question set 13

Term – II

Heat and Temperature

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very Short Answers

1. Temperatur of Srinagar (J&) is -4°C and in Kodaikanal is 3°C which of them has greater temperature?What is the difference between the temperatures of these two places?
2. Jyothi was prepared to measure the temperature of hot water with a clinical thermometer.Is it right or wrong?Why?
3.A clinical thermometer is not used to measure the temperature of air,Why?
4.What is the use of kink in clinical thermometer?
5.Why do we jerk a clinical thermometer we measure the body temperature?

Short Answers

1.Why do we use mercury in thermometers?Can water be used instead of mercury?What are the problems in using it?
2.Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature.Ramani said it was a wrong way of measuring temperature.Do you agree with Ramani?Explain your answer.
3.The body temperature of srinath is 99°F.Is he suffering from fever?If so,why?

Long Answers

1.Draw the diagram of a clinical thermometer and label its part..
2. State the similarities and differences between the laboratory thermometer and clinical thermometer.

Electricity

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very Short Answers

1.What is the speed of electric current?
2.What is the S.I unit of electrical conductivity?
3.Name the device used to generate electricity
4.Define fuse
5.Name some devices that run using heat effect of electric current
6.Name few insulators
7.What is a battery?

Short Answers

1.Define an electric current.
2.Defferentiate parallel and serial circuits.
3.Define electrical conductivity.

Short Answers

1.Explain the construction and working of an telephone.
2.Explain the heating effect of electric current.
3.Explain the construction and working of a dry cell.

High Order question

1.What could be the possible reasons for the torch bulb not glowing even when the circuit appears to be complete?

Changes Around Us

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Very short answer type question

1. State two examples of periodic changes.
2. Mention any two exothermic reactions.
3. Cold milk is heated and it becomes hot. Which type of change it is?
4. What type of change is artificial ripening of fruit?
5. What type of change is colouring of a paper?
6. Growing of nails is a periodic change.Why?
7. What type of energy changes is associated when ice melts?

Short answer type question

1. Distinguish physical and chemical changes.
2. How can a change occur in a substance?
3. Can you suggest a method to collect water from sea water?
4. Is solar eclipse a periodic change? Give your reason.
5. What is the difference between dissolution of sugar and burning of sugar?

Long answer type question

1. Explain the following statement:Digestion is a chemical change.
2. How the iron blade is fixed into a wooden handle in tools used to dig the soil?

Higher order Thinking questions

1. Peeled and unpeeled banana does not look the same.Does that mean peeling banana is a chemical change?
2. A very hot glass on putting in cold water cracks.What does this change indicate?
3. Boiling of water is a physical change;but boiling of egg is a chemical change.Why?

Assertion-Reason type question

1. Assertion-Reason question:
Option:
a.Both A and R are true and R is the correct explanation of A.
b.Both A and R are true but R is not the correct explanation of A.
c.A is true but R is false.
d.A is false but R is true.
e.Both A and R are false

Cell Biology

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Answer the following

1. Question set 1
2. Question set 2
3. Question set 3
4. Question set 4
5. Question set 5
6. Question set 6
7. Question set 7
8. Question set 8
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10. Question set 10
11. Question set 11
12. Question set 12
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14. Question set 14
15. Question set 15
16. Question set 16
17. Question set 17

Basis of Classification

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Answer the following

1. Question set 1
2. Question set 2
3. Question set 3
4. Question set 4
5. Question set 5
6. Question set 6
7. Question set 7
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Digital Painting

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Give short answer

1. What is Tux Paint ?
2. What is the use of Text Tool ?
3. What is the Shortcut key for Save option?
4. What is Tux Math?
5. What is the use of Ranger ?
6. What is the use of shapes tool?
7. What is play Arcade Game?
8. Which tool is used to closed Tux Paint window?
9. What is the use of selector?
10. What is help area?
11. What is magic tool?

Answer in detail

1. What are the short keys in computers?

Term – III

Light

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Short Answer

1. Question Set 1
2. Question Set 2
3. Question Set 3
4. Question Set 4
5. Question Set 5
6. Question Set 6
7. Question Set 7
8. Question Set 8
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11. Question Set 11
12. Question Set 12
13. Question Set 13
14. Question Set 14
15. Question Set 15
16. Question Set 16

Answer in Detail

1. Question Set 1
2. Question Set 2
3. Question Set 3
4. Question Set 4
5. Question Set 5
6. Question Set 6
7. Question Set 7
8. Question Set 8

Additional Questions

Very Short Answer

1. Question Set 1
2. Question Set 2
3. Question Set 3

Short Answer

1. Question Set 1
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3. Question Set 3
4. Question Set 4

Long Answer

1. Question Set 1
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3. Question Set 3
4. Question Set 4
5. Question Set 5
6. Question Set 6
7. Question Set 7

Problems

1. Question Set 1
2. Question Set 2
3. Question Set 3

High Order Thinking Skill

1. Question Set 1
2. Question Set 2

Universe and Space

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Very Short Answer

1. Question Set 1

Short Answer

1. Question Set 1

Answer in Detail

1. Question Set 1
2. Question Set 2

High Order Thinking Skill

1. Question Set 1

Additional Questions

Very Short Answer

1. Question Set 1
2. Question Set 2

Short Answer

1. Question Set 1
2. Question Set 2

Answer in Detail

1. Question Set 1

High Order Thinking Skill

1. Question Set 1

Polymer Chemistry

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Answer the following

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Chemistry in Daily Life

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Very Short Answers

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5. Question Set 5
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Short Answers

1. Question Set 1
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4. Question Set 4
5. Question Set 5
6. Question Set 6

Long Answers

1. Question Set 1
2. Question Set 2
3. Question Set 3

Answer in detial

1. Question Set 1

Animals in Daily life

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Answer the following

1. Question Set 1
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Visual Communication

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Answer the following

1. Question Set 1
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7. Question Set 7