Chapter 12
Fresh Water
Chapter 15 Atmosphere
Chapter 16, 17, 18
Weather & Climate
Chapter 11 Energy Resources
Chapter 19, 20, 21 Astronomy
100
This is the amount of Earth's water that is fresh water.
What is 3%?
100
This is the layer where harmful UV rays are absorbed.
What is the ozone layer?
100
This is when carbon dioxide traps radiation.
What is the greenhouse effect?
100
Coal, oil, and natural gas are these kinds of fuel.
What is fossil fuel?
100
The theory that the universe started from an explosion and has been expanding ever since.
What is the Big Bang?
200
This is the name of a smaller river that feeds into a big one.
What is a tributary?
200
These are the two most abunfdant gases in the atmosphere.
What are Nitrogen and Oxygen?
200
The means of heat transfer by way of fluids.
What is convection?
200
A factory in which crude oil is heated and separated into fuels and other products.
What is a refinery?
200
This is the time period it takes to go around the Sun.
What is revolution?
300
This term is used for all forms of water falling to the Earth.
What is precipitation?
300
This is the layer where meteors (shooting stars) burn up?
What is the mesosphere?
300
The means by which the sun's heat reaches the Earth.
What is radiation?
300
The Sun, hydroelectric, wind, and geothermal are this type of energy.
What is renewable?
300
When a planet spins on its axis.
What is rotation?
400
This is the term for materials that allow water to pass through them easily.
What is permeable?
400
This is the layer where all the weather happens.
What is the troposphere?
400
When a warm air mass overtakes a slow-moving cold air mass.
What is a warm front?
400
This is the splitting of an atom's nucleus into two smaller nuclei.
What is nuclear fission or fission?
400
The force of gravity depends on these two factors.
What are mass and distance?
500
This is the term we use to describe how much Calcium and Magnesium are in the water.
What is hardness?
500
This is the layer where the ozone layer is located.
What is the stratosphere?
500
Permanently frozen tundra soil is called this.
What is permafrost?
500
When the fuel rods in a nuclear reactor produce too much heat and cause a series of explosions.
What is a meltdown?
500
A star is officially born when it does this.
What is fusion?
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