Quiz about IS_Section Quiz_5.1_e

Question 1

Animals and plants need energy to grow.

Accepted Answer

True

Answer

False

Question 2

Food stores thermal energy.

Accepted Answer

False

Answer

True

Question 3

The Moon gives out light energy and thermal energy.

Accepted Answer

False

Answer

True

Question 4

A bowstring stores potential energy when it is stretched.

Accepted Answer

True

Answer

False

Question 5

One joule is equal to 100 calories.

Accepted Answer

False

Answer

True

Question 6

We do not need energy to breathe.

Accepted Answer

False

Answer

True

Question 7

Plants get energy from the Sun.

Accepted Answer

True

Answer

False

Question 8

The Sun gives out only light energy.

Accepted Answer

False

Answer

True

Question 9

Lightning carries electrical energy.

Accepted Answer

True

Answer

False

Question 10

One joule is equal to one thousandth of a kilojoule.

Accepted Answer

True

Answer

False

Question 11

Sound energy is given out when an object

Accepted Answer

D. vibrates.

Answer

A. is at rest.

Answer

B. is compressed.

Answer

C. is heated.

Question 12

Which of the following does NOT store chemical energy?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 13

Which of the following glasses of water gives out the largest amount of thermal energy?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 14

Which of the following statements about kinetic energy are correct?

(1) All moving objects have kinetic energy.

(2) The amount of kinetic energy of an object is related to its shape.

(3) The faster an object moves, the more kinetic energy it has.

Accepted Answer

B. (1) and (3) only

Answer

A. (1) and (2) only

Answer

C. (2) and (3) only

Answer

D. (1), (2) and (3)

Question 15

Which of the following are the units of energy?

(1) kcal

(2) kg

(3) kJ

Accepted Answer

B. (1) and (3) only

Answer

A. (1) and (2) only

Answer

C. (2) and (3) only

Answer

D. (1), (2) and (3)

Question 16

Which of the following combinations is correct?

Accepted Answer

B. An object gives out sound energy when it: vibrates.; An object has kinetic energy when it: moves.

Answer

A. An object gives out sound energy when it: vibrates.; An object has kinetic energy when it: is at rest.

Answer

C. An object gives out sound energy when it: is compressed.; An object has kinetic energy when it: is at rest.

Answer

D. An object gives out sound energy when it: moves.; An object has kinetic energy when it: is compressed.

Question 17

Which of the following objects store chemical energy?

Accepted Answer

D. (1), (2) and (3)

Answer

A. (1) and (2) only

Answer

B. (1) and (3) only

Answer

C. (2) and (3) only

Question 18

Which of the following statements is/are correct?

(1) X has more kinetic energy than Z.

(2) Y and Z have the same kinetic energy.

(3) The kinetic energy of Z is zero.

Accepted Answer

D. (1) and (3) only

Answer

A. (1) only

Answer

B. (2) only

Answer

C. (1) and (2) only

Question 19

If a rubber band is stretched, which of the following forms of energy is stored in the rubber band?

Accepted Answer

C. Potential energy

Answer

A. Chemical energy

Answer

B. Kinetic energy

Answer

D. Thermal energy

Question 20

Compare the electrical energy of the following electrical appliances. Which electrical appliance consumes the most energy in one second?

Accepted Answer

A. A kettle consumes 1800 J of energy in one second.

Answer

B. A washing machine consumes 1 kJ of energy in one second.

Answer

C. A television consumes 9000 J of energy in one minute.

Answer

D. A lamp consumes 12 kJ of energy in an hour.

IS_Section Quiz_5.1_e

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