Earth and Mars
Earth Spheres
Geology
Evidence
Water or Lava
100

The planet that scientists study to help understand geologic processes on Mars.

What is Earth?

100

The sphere that includes all of Earth’s living things. 

What is the biosphere?

100

A scientist who studies rocks, landforms, and the processes that shape planets.

What is a geologist?

100

Information or observations scientists use to support a claim.

What is evidence?

100

One substance scientists think may have formed the channel on Mars.

What is water?

200

The planet that we are comparing to be similar like Earth. 

What is Mars?

200

The sphere that includes rocks, mountains, soil, and Earth’s solid surface.

What is the geosphere?


200

A natural feature on the surface of a planet, such as a mountain, valley, or channel.

What is a landform?

200

A possible explanation or answer to an investigation question.

What is a claim?

200

The other substance scientists think may have formed the channel on Mars.

What is lava?

300

One important requirement scientists look for when determining whether a planet may have been habitable.

What is water?

300

The sphere that includes all of Earth’s water.

What is the hydrosphere?

300

A process that changes the surface of a planet over time.

What is a geologic process?

300

Scientists compare landforms on Mars with similar landforms on this planet.

What is Earth?

300

The movement of water or lava across a surface.

What is flow?

400

The term that describes whether an environment has the conditions necessary to support life. Hint: This vocabulary word was in our warm-up?

What is habitable? 

400

The sphere made up of the gases surrounding Earth.

What is the atmosphere?

400

A long, narrow landform that can be created by flowing substances such as water or lava.

What is a channel?

400

The model used to support that water created the channels on Mars.

What is the flowing water model?

400

Scientists compare channels formed by water and lava on Earth to determine which process could have formed this feature on Mars.

What is the channel on Mars?