Vocabulary
the mixture of gases surrounding a planet.
What is atmosphere?
Gerya programmed his model to show what would happen on Venus overtime with this combination.
what would happen overtime with this program?
Landforms can provide evidence about past.
What does the past tell us?
Landforms have evidence because they remain after the geologic process.
What are the remains?
The moon moves to different positions around earth.
What is Does the moon orbit around earth?
all the living things on a planet
What is biosphere?
Models can help scientists like gerya get evidence.
what model can help scientists?
Scientists can use models to test their ideas.
How does the model help test their ideas?
Channels formed by water on earth have a curve.
How does the curve form?
There are different amounts of the illuminated half of the moon
What is phase changes?
all the liquid water and solid water on a planet.
what is a hydrosphere?
The temperature of the Venus model looks much hotter than the surface of the earth.
What is does the temperature help us?
There are systems made up of interacting spheres.
What is do these systems interact?
In the flowing water model, a channel remained in sand.
What is does it remain?
The moon does not make it's own light: the sun illuminates the moon.
What does the sun do to the moon?
an object, diagram, or computer program that helps us understand something by making it simpler or easier to see.
what is a model?
When gerya did the model it showed melted rock rising.
What is How did the rock melt?
scientists gather evidence about things they can't see directly.
What is How can they gather evidence that they can't see?
The same type of rock is found near the base of the channel.
How did they find the same rock?
Light from the sun travels in straight lines.
What is How does light travel?
a claim supported by evidence.
what is scientific argument?
In the computer model there was domes.
What are domes?
Satellites, rovers and landers help discover things on Mars. Like if Mars had water in it's past and other things like that.
What can help discover things on Mars?
Earth and other planets can be thought as systems.
Can planets be thought as systems?
There's a pattern to position where the moon moves.
What is does the pattern form?