Basics of Physics-Worksheet-4

Basics of Physics Worksheet-4

1. What does a bulb do with the electrical energy?

A. It converts electrical energy into light energy

B. It converts electrical energy into chemical energy

C. It converts light energy into electrical energy

D. It converts chemical energy into light energy

2. What will happen to the motion of the ball?

A. It will speed up                        B. It will change its direction

C. It will slow down                     D. It will stop

3. What kind of energy is used in cooking food?

A. Sound energy                           B. Mechanical energy

C. Heat energy                             D. Light energy

4. What must happen for you to see any object?

A. A light bulb must be turned on.

B. It must be dark.

C. Light must reflect from the object and enter your eyes.

D. Light must absorb into the object and enter your eyes.

5. What instrument can be used to measure pull force?

A. A lever scale                             B. A spring scale

C. A pulley scale                           D. A wheel scale

6. One hour = ____ seconds.

A. 60                   B. 100                 C. 1000              D. 3600

7. Nitin wants to measure the length of his Science textbook using a meter scale, what is the possible unit of measurement?

A. Kilometre     B. Centimetre   C. Cubit              D. Cubic centimetre

8. When an object ______ sound is produced.

A. vibrates         B. freezes           C. moves            D. floats

9. Which of the following cannot be done by using muscular force?

A. Changing the direction of a moving body

B. Stopping a moving body

C. Changing one type of body into another type of body

D. Increasing or decreasing the speed of a body

10. Which energy conversion takes place during photosynthesis?

A. Heat energy ⇒ Light energy

B. Light energy ⇒ Heat energy

C. Light energy ⇒ Chemical energy

D. Heat energy ⇒ Chemical energy

Answer Keys:

(1)–A; (2)–B; (3)–C; (4)–C; (5)–B; (6)–D; (7)–B; (8)–A; (9)–C; (10)–C