Natural Energy Sources H.W. 22

What are two forms of energy?

• fun

• solar

• mechanical

• weather

• remote

Look at the renewable energy source slide to answer the question.

What form of energy is this?

• solar

• coal

Look at the renewable energy source slide to answer the question.

What form of energy is this?

• tidal

• wind

Look at the renewable energy source slide to answer the question.

What form of energy is this?

• geothermal

• sound

Identify the type of energy that powers electronic devices.

• electrical energy

• Mechanical energy

• Thermal energy

• sound energy

​ (a)   is the ability to do ​ (b)   .

• Energy
• work
• Solar
• Wind
• blow
• heat

______ ____ is a natural substance formed from the buried remains of ancient organisms that can be used as a source of energy.

Fossil fuels formed over millions of years as heat and pressure from layers of sediment changed the decayed organic remains into materials like ​ (a)   ​, (b)   ​, and (c)   .

• gas
• petroleum
• coal
• sound
• wind
• heat

Match the renewable and non-renewable resources.

• coal

• renewable

• solar

• non-renewable

• oil

• renewable

• wind

• non-renewable

• water

• renewable

​ (a)   and ​ (b)   get their energy by ​ ​ (c)   ​ food.

• People
• animals
• eating
• plants
• cooking
• flowers
• hunting