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What is a measure of how hot matter is?
temperature
When water is heated, does it expand or contract?
expand
Is a material that sinks in water more or less dense than the water itself?
more
Which word describes what happens to water when it is heated?
melts
What is water's freezing point? (What temperature?)
32 degrees
What did Daniel G. Fahrenheit invent?
thermometer
What are the two scales used to measure temperature? Fahrenheit and....?
Celsius
What is water's boiling point? (What temperature, in Fahrenheit?)
212 degrees Fahrenheit
Do molecules move faster or slower when they get hot?
faster
Which word means the amount of mass compared to the volume?
density
What does it mean if something "expands"?
the molecules spread out
What is it called when it doesn't rain for a long time?
drought
If you take short showers instead of baths, this is one way to ____________ water.
conserve
Water is one of Earth's most precious _________ ______________.
natural resources
If we were to take water from our fish tank and give it to our plants, then what are we doing to the water?
recycling
What causes water to flow downward?
gravity
