Basics of Physics Worksheet-5
A. Solar energy B. Electrical Energy
C. Thermal (Heat) Energy D. Rainbow effect
A. It produces a bad smell.
B. Short circuit wastes energy.
C. Hot wires can start a fire and also too much current can damage electric devices.
D. Cold wires can destroy electric devices.
A. They will mix with each other
B. They will stay separated
C. They will neutralize each other
D. They will burn each other
A. Thunderstorms B. Landslides and mudflows
C. Sand dunes D. Melting of glaciers
A. Gloves produce internal heat.
B. Gloves produce cold air.
C. Gloves provide conduction that causes the loss of heat.
D. Gloves provide insulation that prevents the loss of heat.
A. All but green B. Only green
C. Only ultragreen D. None
A. Simple Pulley B. Complex Pulley
C. Fixed Pulley D. Movable Pulley
A. Two (North and South)
B. One (Either North or South)
C. Four (North, South, East and West)
D. None of the above
A. An energy that is applied as push or pull.
B. An energy that is applied as push only.
C. An energy that is applied as pull only.
D. An energy that is applied to change shape of an object.
A. Refraction B. Wave length
C. Frequency D. Amplitude
Answer Key:
1.-(b); 2.-(c); 3.-(c); 4.-(b); 5.-(d); 6.-(b); 7.-(d); 8.-(a); 9.-(a); 10.-(a)