Energy

What is potential energy?

• moving energy

• stored energy

• renewable energy

• non renewable energy

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF POTENTIAL ENERGY?

• A BALL TRAVELING AT 10 M/S
• A COMPRESSED SPRING
• WATER BEING STORED AT A WATER DAM
• A STRETCHED RUBBER BAND

GRAVITATIONAL POTENTIAL ENERGY DEPENDS ON

• MASS AND VELOCITY

• MASS AND WEIGHT

• MASS AND HEIGHT

• HEIGHT AND DISTANCE

WHICH OF THESE DESCRIBES THE LAW OF CONSERVATION OF ENERGY?

• NO MACHINE IS 100% EFFICIENT
• ENERGY IS NEITHER CREATED OR DESTROYED
• THE ENERGY RESOURCES OF EARTH ARE LIMITED
• THE ENERGY OF A SYSTEM IS ALWAYS DECREASING

What is it called when two surfaces pass across one another creating heat?

• Thermal Energy

• Friction

• Motion Energy

• Photosynthesis

Four balls are thrown at the same velocity, with different masses. Which ball has the most kinetic energy?

• The 20g ball

• The 50g ball

• The 24g ball

• The 40g ball

What is the transfer of heat by movement of liquids or gases?

• Radiation
• Convection
• Conduction
• Heat

What is a transfer of heat energy by electromagnetic waves?

• Radiation
• Convection
• Conduction
• Heat

What is the transfer of heat by direct contact?

• Convection
• Electromagnetic waves
• Radiation
• Conduction