What is Earth?
Answer: The third planet from the Sun.
Fun Fact: Earth is the only known planet with life.
What is H₂O?
Answer: The chemical formula for water.
Fun Fact: Water is made of two hydrogen atoms and one oxygen atom.
What is evaporation?
Answer: The process where liquid water becomes water vapor.
Fun Fact: The Sun provides the energy for evaporation.
What is a river?
Answer: A large stream of flowing water.
Fun Fact: Rivers shape landscapes over time.
What is water conservation?
Answer: Using water wisely so there is enough for future generations.
Fun Fact: Turning off the faucet while brushing your teeth can save gallons of water.
What is the crust?
Answer: The solid outer layer of Earth where we live.
Fun Fact: Earth's crust is thinner than the skin of an apple compared to the whole planet.
What are the oceans?
Answer: The largest reservoir of water on Earth.
Fun Fact: Oceans hold about 97% of Earth's water.
What is condensation?
Answer: The process where water vapor cools and forms clouds.
Fun Fact: Tiny water droplets make up clouds.
What is a lake?
Answer: A body of water surrounded by land.
Fun Fact: The Great Lakes contain about 20% of the world's surface freshwater.
What is water pollution?
Answer: Anything that makes water unsafe or dirty.
Fun Fact: Pollution can affect wildlife, ecosystems, and drinking water.
What is the mantle?
Answer: The layer beneath Earth's crust.
The mantle makes up most of Earth's volume.
What is groundwater?
Answer: Water found below Earth's surface.
Fun Fact: Many communities rely on groundwater for drinking water.
What is precipitation?
Answer: Water falling from clouds as rain, snow, sleet, or hail.
Fun Fact: Precipitation is a key part of the water cycle.
What is a delta?
Answer: Land formed where a river deposits sediment at its mouth.
Fun Fact: The Mississippi River Delta is one of the largest in North America.
What is runoff?
Answer: Materials such as fertilizer that can wash into rivers and lakes.
Fun Fact: Runoff is a major source of water pollution.
What are the inner core and outer core?
Answer: Earth's center is divided into these two layers.
Fun Fact: The inner core is as hot as the surface of the Sun.
What is ice?
Answer: Frozen water found in glaciers and ice caps.
Fun Fact: Most of Earth's freshwater is trapped in ice.
What is infiltration?
Answer: Water soaking into the ground.
Fun Fact: Forests help increase infiltration.
What is erosion?
Answer: The wearing away and movement of sediment.
Fun Fact: Water is one of Earth's most powerful agents of erosion.
What are filters?
Answer: Wetlands help the environment by acting as natural resource.
Fun Fact: Wetlands remove pollutants and reduce flooding.
What is weathering?
Answer: The process that breaks rocks into smaller pieces.
Fun Fact: Tree roots can crack rocks through weathering.
What is freshwater?
Answer: Water that is safe for people to drink.
Fun Fact: Less than 1% of Earth's water is easily available freshwater.
What is the water cycle?
Answer: The continuous movement of water through Earth's systems.
Fun Fact: The same water on Earth today existed during the age of dinosaurs.
What is a watershed?
Answer: The area of land drained by a river and its tributaries.
Fun Fact: Everyone lives in a watershed.
Name the four major processes of the water cycle?
****Double Point****
They are evaporation, condensation, precipitation, and collection (or accumulation).
Fun Fact: Without the water cycle, fresh water would not be distributed around Earth.