Energy

When plants convert the sun's energy into food, which type of energy is it?

• kinetic
• chemical
• thermal
• radiant

A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

Which of the following is a non-renewable source of energy?

• fossil fuels
• solar
• hydroelectric
• geothermal

What are two benefits of solar energy?

• It is free.  It will not run out.
• It warms the Earth.  It can sunburn people.
• It does not pollute.  It melts ice cream.
• Plants use it to make food.  It makes your car feel hot.

Which energy transformation occurs in a toaster?

• chemical to electric
• electric to thermal
• kinetic to chemical
• thermal to potential

According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 

• destroyed, destroyed
• created, saved
• created, destroyed
• lost, found

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

A hairdryer converts -- 

• electrical energy into chemical
• electrical energy into thermal
• chemical energy into mechanical
• thermal energy into mechanical

Which of the following nonrenewable energy resources is NOT a fossil fuel?

• Natural gas
• Coal
• Oil
• Nuclear

Wind, water, geothermal solar and biomass are what types of energy sources?

• Renewable
• Nonrenewable