Cherry
Grape
Blue Raspberry
Apple
Riddles
100

What are renewable resources?

Can be reused or replaced in our lifetime through natural processes

100

Sunlight is... 


renewable or nonrenewable 

Renewable 

100

What is an advantage of using hydropower (water) as an energy source?

It uses existing bodies of water.

100

A renewable resource that gets its energy directly from the sun?

Solar

100

I must be broken before you can use me. What am I?

Egg

200

A benefit of natural gas is that it...

burns very hot and pollutes less than coal and oil

200


How can we conserve energy?

buy local food and other products so there is less transportation of goods

use fabric bags instead of plastic and recycling materials

carpool and use public transportation instead of driving a ca


200

Disadvantage of using Coal 

 it pollutes the air with gases.

200

A compost pile is where people put food scraps. This type of waste can then be turned into a resource called

biomass

200

I go up, but never come down. What am I?

Age

300

A group of non-renewable resources, called ______________, include coal, oil, and natural gas.

fossil fuels

300

This is a renewable energy resource that also must be conserved because of the resources needed to clean it for human use.

Water

300

A disadvantage of using the Sun as an energy source 

 it's not effective in all locations year round.

300

A room temperature glass of water needs to be cooled. A student adds ice cubes to the glass.

The water will transfer heat to the ice cube therefore melting the ice.

300

 I have teeth, but I don’t eat. What am I?

A comb.

400

Coal comes from...

plants that died millions of years ago.

400

How do we get electricity from the sun?

Solar panels can convert sunlight into electrical energy.

400

An advantage of using wind energy 


 it won't run out and does not pollute.



400

Joe left a metal spoon and cereal bowl outside.  After several minutes, the spoon was hot to the touch. Which statement best describes the heat transfer that took place

The spoon was heated by radiation from the sun; therefore, his hand felt warm because of conduction.

400

You can drop me from the tallest building and I’ll be fine, but if you drop me in water, it’ll be the end of me. What am I?

Paper

500

Oil is used to make...


gasoline & other types of fuel

plastics, DVDs, and tires

energy


500

What is geothermal energy?

Heat energy taken from underground

500

An advantage of using coal


it's reliable during all climates/seasons.



500

How do you increase potential energy?

Varies 

500

I have a spine but no bones. What am I?

A book

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