Earth's Systems
Matter Cycles
Energy Transfer
Vocabulary
Ecosystems
100

This system includes all the water on Earth.

  * What is the hydrosphere?

100

This cycle involves water changing from liquid to gas and back again.


  * What is the water cycle?

100

These organisms make their own food using sunlight.


  * What are producers?

100

The process of water moving over land is called this.

  * What is runoff?

100

True or False: Consumers get energy by eating plants or animals that eat plants.


  * What is True?

200

The rocky part of Earth is called this.


  * What is the geosphere?

200

 In this process, water turns into a gas and rises into the air.


  * What is evaporation?

200

Animals that eat other animals or plants are called this.


  * What are consumers?

200

This cycle involves the movement of nitrogen through living things and the environment.


  * What is the nitrogen cycle?

200

Plants get energy for photosynthesis from this source.


  * What is the sun (or sunlight)?

300

 All living things on Earth make up this system.


  * What is the biosphere?

300

When water vapor turns back into liquid water, it's called this.


  * What is condensation?

300

This shows how energy moves from one living thing to another in an ecosystem.


  * What is a food chain?

300

The movement of energy through living things in an ecosystem is called this.


  * What is energy flow?

300

Name two of Earth's major systems.


  * What are any two of: atmosphere, geosphere, hydrosphere, biosphere?

400

 This system surrounds the Earth and contains gases.


  * What is the atmosphere?

400

This is when water falls from clouds as rain, snow, or hail.



  * What is precipitation?

400

A more complex version of a food chain that shows many connections is called this.


  * What is a food web?

400

These organisms break down dead plants and animals.


  * What are decomposers?

400

Plants get carbon for photosynthesis from this source.

 

 * What is the air (or atmosphere)?

500

Where is most of the fresh water on Earth found?

What are glaciers?

500

Nitrogen must be fixed before its used what are 2 ways it can be fixed?

Lightening, Volcanic activity, Fungi

500

This is the process by which plants use sunlight, water, and carbon dioxide to make their own food.

What is photosynthesis

500

 This gas is taken in by plants during photosynthesis and released by animals when they breathe.

* What is carbon dioxide?

500

What do all food chains need to start with?


What is the sun?

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