ECOSYSTEMS
THE EARTH
IT DOES MATTER
I HAVE NO ENERGY
HUMAN IMPACTS
100

These break things down.

What are DECOMPOSERS?

100

The Earth is surrounded by this.

What is the ATMOSPHERE?

100

All matter is made up of tiny 'these things'.

What are PARTICLES?

100

A loudspeaker that is turned on is an example of this type of energy.

What is SOUND?

100

Oil, Natural gas and Coal are examples of these types of fuel.

What are FOSSIL FUELS?

200

This provides all the needs for organisms living in it.

What is a HABITAT?

200

Most Earthquakes happen along the ____________ of tectonic plates. 

What are BORDERS, or EDGES (where they meet)?

200

If you put salt in water and stir, it will do this.

What is DISSOLVE?

200

Energy cannot be _________ or destroyed.

What is CREATED?

200

Climate change is possibly caused by this gas.

What is CARBON DIOXIDE?

300

A __________ is used by people to create rich soil from garbage.

What is a COMPOSTER?

300

It takes the Earth this long to spin on its axis one time.

What is ONE DAY or 24 HOURS?

300

Examples of these are: Mass, Density, Color, Hardness and Texture.

What are PROPERTIES?

300

Energy moving from one place to another is an example of energy ______________ .

What is TRANSFER?

300

Wind, Solar and Hydro are examples of these types of energy resources.

What are RENEWABLE ENERGY resources? 

400

Plants are a type of these.

What are PRODUCERS?

400

The Earth has sunrises and sunsets due to this.

What is its ROTATION?

400

Two or more types of matter put together where nothing changes is a _______________ . 

What is a MIXTURE?

400

A toaster changes electrical energy into these types of energy.

What are HEAT and LIGHT?

400

Reduce, Reuse and ____________ 

What is RECYCLE?

500

Large predators are usually at the top of these.

What is a FOOD WEB or FOODCHAIN?

500

The remains of ancient plants and animals are known as these.

What are FOSSILS?

500

One piece of evidence of a chemical reaction is taking place is a change in this.

What is TEMPERATURE or COLOR?

500

Our bodies use food to create this type of energy.

What is CHEMICAL?

500

Clearcutting forests increases the likelihood of wind and water _____________ of topsoil. 

What is EROSION?