Basics of Physics Worksheet-8
A. Mechanical energy B. Chemical energy
C. Solar energy D. All of the above
A. attract B. repel C. obstruct D. enhance
A. Largest amount of earth's salt water.
B. Largest amount of earth's fresh water.
C. Debris that is used as fuel.
D. None of the above
A. Radiation B. Convection C. Conduction D. Transportation
A. Ultrared waves B. Infraviolet waves
C. Infrared waves D. Ultraviolet waves
A. Cotton B. Coal C. Wood D. Mirror
A. Small Step Stairs B. Large Step Stairs
C. Smooth Inclined plane D. Rough Inclined plane
A. Pull B. Push C. Repel D. Heat
A. It will not move
B. It will keep moving forever
C. It will only move one unit distance
D. It will move for one hour
A. Some of the energy of a sound wave bounces off when it hits a surface.
B. Some of the energy of a sound wave is lost when it hits a surface.
C. It is opposite of echo.
D. Change in frequency of a sound wave when it hits a surface.
1.-(d); 2.-(a); 3.-(b); 4.-(b); 5.-(d); 6.-(d); 7.-(c); 8.-(c); 9.-(b); 10.-(a)