Vocabulary
What is a molecule
A tiny particle made of two or more atoms.
What shape of matter has a definite shape and volume?
Solid :)
Where is most of Earth's water found?
Oceans
How can humans reduce pollution?
Recycling and reducing waste!
What is condensation?
The process when water vapor (gas) cools and turns into liquid.
What state of matter takes the shape of its container but keeps its volume?
Liquid :)
What is evaporation?
Liquid water turning into water vapor.
What happens when too much carbon dioxide is in the air?
It contributes to climate change.
What is climate?
The average weather condition of a place over a long period of time.
What state of matter spreads out and fills any space?
Gas
What is precipitation?
Water falling from clouds in the form of either
(rain, snow, sleet, and hail).
How can planting trees help Earth?
Trees absorb carbon dioxide and produce oxygen.
What is the atmosphere?
The layer of gases surrounding Earth.
What happens to matter when it is heated?
The molecule particles move extremely fast and spread apart.
What is the one thing that powers the water cycle?
The Sun :)
What is conservation?
The protection of Earth's resources.
What is a model in science?
A representation used to explain or show something in the real world.
What is melting?
When a solid changes into a liquid.
Explain each step of the the water cycle?
Water starts in the lakes, evaporates to the sky, it falls down as rain or snow, and runs back off into the lake.
Name two ways human can help Earth Systems?
Save water, recycle, use less plastic, and or plant trees!