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Science - Unit 2
TEST 10/30 - Water Cycle Study Guide
Question | Answer |
---|---|
The process in which water constantly moves throughout our atmosphere and back to Earth. | Water Cycle |
Most of the water in the water cycle comes from the ____? | Ocean |
The ocean covers about ____% of Earth. | 70 |
____% of all the water on Earth is salt water. | 97 |
There are _____ phases in the water cycle. | Four |
The phases of the water cycle are ______, ______, ______, and ______. | Evaporation, condensation, precipitation, and collection |
_______________ is the phase where liquid water heats up and becomes a gas, or water vapor. | Evaporation |
The the water vapor (gas) ______ down and condenses with other water droplets (liquid) to form a cloud. | Cools |
What is the phase where water vapor cools down and condenses with other water droplets (liquid) to form a could? | Condensation |
When condensation happens and forms a cloud close to the ground, it is called ______. | Fog |
The next phase happens when the water droplets become too _____ and fall back down to the Earth. | Heavy |
What is the phase where water droplets become to heavy and fall back down to Earth? | Precipitation |
What are the four forms of precipitation? | Rain, sleet, snow, and hail |
When it is so cold that the water vapor goes straight from gas to solid, that is how ____ happens! | Snow |
After the water has returned to Earth, it collects into rivers, lakes,ponds, under the ground, and oceans! This stage is called ________. | Collection |
The water gets most of its energy to keep moving through the water cycle from the _____. | Sun |
What are the three states of matter? | Solid, liquid, and gas |
Water freezes (goes from liquid to solid) at _____ degrees Fahrenheit. | 32 |
Water freezes (goes from liquid to solid) at _____ degrees Celsius. | 0 |
Water boils (goes from liquid to gas) at _____ degrees Fahrenheit. | 212 |
Water boils (goes from liquid to gas) at ______ degrees Celsius. | 100 |
What state of matter is ice? (solid, liquid, gas) | Solid |
What state of matter is water? (solid, liquid, gas) | Liquid |
What state of matter is water vapor? (solid, liquid, gas) | Gas |
Condensation happens when a gas is (freezing or melting)? | Freezing |
Evaporation occurs when a solid is (freezing or melting)? | Melting |
During evaporation, what are the states of matter? | Liquid to gas |
During condensation, what are the states of matter? | Gas to liquid |
During precipitation, what are the states of matter? | Liquid or solid |
During collection, what is the state of matter? | Liquid |