Basics of Physics

Basics of Physics Worksheet-10

1. Solar, biomass, geothermal, wind, and hydropower energy are all renewable sources of energy. They are called renewable because they ______.

A. are clean and free to use       

B. can be converted directly into heat and electricity

C. can be replenished by nature in a short period of time

D. do not produce air pollution

2. A lightning bolt is a ______ of static electricity from the clouds to the ground.

A. crack              B. merger          C. discharge      D. recharge

Basics of Physics Worksheet-11

Study the following figure and answer the Q. 1 to Q.5.

1. Identify the part number 1 of the cell shown above.

A. Cathode                                    B. Carbon rod  

C. Positive (+) terminal              D. Negative (−) terminal

2. Identify the part number 2 of the cell shown above.

A. Chemical Paste                        B. Carbon rod