Basics of Physics-Worksheet-8

Basics of Physics Worksheet-8

1. Which of the following things will allow the electricity to pass through itself?

A. Wooden bat                              B. Plastic box

C. Metal wire                                 D. Book

2. Heat energy moves from _____.

A. A hot object to cold object.    B. A cold object to hot object.

C. A hot object to space.             D. In random pattern

3. What kind of energy conversion happens in electric bulbs?

A. Light energy to Heat energy

B. Heat energy to Light energy

C. Electric energy to Light and heat energy

D. Chemical energy to Light and heat energy

4. When would you see your smallest shadow?

A. Early in the morning               B. Noon time

C. Late in the evening                  D. Midnight

5. Which of the following thermometer gives the most accurate reading while measuring human body temperature?

A.              B.              C.             D.

6. Amirah takes a bus at 8.30 a.m. and arrives at the railway station at 10.45 a.m. Calculate the time taken to travel to the railway station.

A. 2 hours 45 minutes                 B. 2 hours 15 minutes

C. 2 hour                                        D. 45 minutes

7. What is speed?

A. It is how fast or slow something is moving.

B. It is how much something is moving.

C. An objects position

D. None of the above

8. Which property of sound defines the loudness and softness of a sound?

A. Pitch              B. Volume          C. Base               D. Scale

9. Match the following devices and their energy transformations.

A. 1 - a, 2 - d, 3 - e, 4 - c, 4 - b

B. 1 - e, 2 - c, 3 - a, 4 - b, 5 - d

C. 1 - c, 2 - d, 3 - e, 4 - a, 5 - b

D. 1 - d, 2 - c, 3 - a, 4 - e, 5 - b

10. A stone thrown upward comes down because of ____.

A. Mechanical energy

B. Kinetic energy of the stone

C. Wind energy

D. Gravitational force of the earth

Answer Keys:

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