Energy exists in two states: potential and

• mechanical

• kinetic

• stored

• transformed

Energy exists in two states: potential and ________

The four main properties of energy are: energy can be transferred, stored, transformed, and ___________

• mechanical

• potential

• transported

• kinetic

The four main properties of energy are: energy can be transferred, stored, transformed, and ___________

There are two types of non-renewable energy sources: ___________ and uranium.

• coal

• natural gas

• petroleum

• fossil fuels

There are two types of non-renewable energy sources: ___________ and uranium.

Our planet gets hotter, this increase in the temperature is called _____________.

• global warming

• carbon dioxide

• thermal energy

• fossil fuels

Our planet gets hotter, this increase in the temperature is called ______________

What type of energy is?

• Hydroelectric energy

• Solar energy

• wind turbines

• kinetic energy

What type of energy is?