Protect Earths Resources

Natural resources are...

• something found in nature that is used by people. 
• things you look at in nature. 
• cool landforms that people go to visit. 
• resources that we have a lot of. 

Which one is NOT a source of energy? 

• coal
• natural gas
• rain
• the sun

An example of a natural resource is...

• wood. 
• crayons. 
• markers. 

When the wind is used to make energy, it is called...

• wind energy.
• windmills.
• windy days.
• free energy!

Using the sun to make electricity...

• is called solar energy.
• is an easy way to make electricity. 
• should be done by everyone.
• is a free way to make electricity. 

Hydroelectric energy uses...

• water to make electricity.
• hydrogen to make electricity.
• lightning in water to make electricity.

One disadvantage of coal energy is...

• it's cheap.
• it's a fossil fuel that we will run out of someday. 
• it's easy to find.
• dinosaurs made lots of it. 

One advantage of coal energy is ...

• it is a cheap form of energy.
• you have to dig up the ground for it. 
• we will run out of it someday.

One disadvantage of wind energy is...

• it's always windy in southwest Kansas. 
• it doesn't work in places that don't have wind. 
• the windmills are cool to look at. 
• teachers like to have their hair all blown around by the wind. 

One disadvantage of solar energy is....

• right now, it is an expensive form of energy. 
• the sun is always shining somewhere. 
• the sun makes it hot in summer. 
• we are so far from the sun.