Basics of Physics-Worksheet-9

Basics of Physics Worksheet-9

1. Which of the following is not an electrical device?

A. Computer     B. Fan                 C. Television     D. Bicycle

2. What instrument is used to measure the temperature?

A. Barometer                                 B. Tempometer

C. Thermometer                           D. Thermalgauge

3. What kind of energy conversion happens when you burn fossil fuel such as coal or gasoline?

A. Heat energy to light energy  

B. Chemical energy to heat and light energy

C. Chemical energy to electric and light energy

D. Wind energy to heat and light energy

4. Which of the following can change the motion of an object?

A. Solar energy              B. Heat           C. Force             D. Sound

5. When Aishwarya got fever, which of the following reading of body temperature will she most likely to have?

A.      B.      C.     D.

6. Anil added two spoons of salt to 100 ml of water and stirred it. After some time he noticed that the volume did not change. Why?

A. The salt particles did not dissolve

B. The salt particles do not have any volume

C. The salt particles occupied the empty spaces in water

D. The salt particles evaporated upon stirring

7. What two measurements are needed to measure speed?

A. Mass and distance                  B. Position and time

C. Distance and time                   D. Distance and position

8. How do you hear a sound?

A. Ear converts sound vibrations to code. Code travel from the ear to the brain and sound is heard.

B. Ear converts sound vibrations to signals. Signals travel from the ear to the brain and sound is heard.

C. Ear send vibrations to the brain directly and sound is heard.

D. Ear send vibrations to the spinal cord directly and sound is heard.

9. The ultimate source of our energy is ____.

A. Sun                 B. Coal               C. Wind              D. Plants

10. The following figure shows a boy pushing a rock. The boy is applying ______ on the rock.

A. Work             B. Force             C. Energy           D. Muscles

Answer Keys:

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