GRADE 8 ENERGY

An example of something that stores chemical energy is 

• lighting
• microwave
• match
• light

What type of conversion is taking place when natural gas is used to heat water? 

•  chemical energy into thermal energy
• thermal energy into mechanical energy
• mechanical energy into electromagnetic energy
• electromagnetic energy into chemical energy

Fossil fuels contain energy that originally came from

• tidal forces
• Earth's core
• the sun
• dinosaurs

When fossil fuels are burned, their chemical potential energy is converted into

• nuclear energy
• electrical energy
• mechanical energy
• thermal energy

Potential energy that depends on height is called

• kinetic energy
• gravitational potential energy
• elastic potential energy
• mechanical energy

What type of energy does a spinning turbine have?

• electrical energy
• nuclear energy
• thermal energy
• mechanical energy

Energy stored in the nucleus of an atom is called

• Electromagnetic energy
• Nuclear energy
• Mechanical energy
• Chemical energy

The rate at which energy is transferred is called

• Joules
• Power
• Work
• Time

The more particles a substance has at a given temperature

• the higher its temperature
• the more thermal energy it has
• the more degrees it has
• none of the above

The movement of thermal energy from a warmer object to a cooler object is called

• Heat
• Temperature
• Motion
• None of the above