Water Distribution
Q: What percentage of Earth’s water is saltwater?
97%
What powers the water cycle?
The Sun
What is the largest source of surface freshwater?
Lakes
Is ocean water freshwater or saltwater?
Saltwater
What is one way humans can save water at home?
Turn off water etc
What percentage of Earth’s water is freshwater?
3%
Water vapor turning into liquid droplets is called what?
Condensation
What do we call water stored underground?
Aquifer
Water with less than 1,000 ppm of salt is called what?
Freshwater
What is one way communities can get more clean water?
Dig aquifers
Most of Earth’s freshwater is stored where?
Glaciers and Ice caps
What step comes AFTER condensation?
Precipitation
Wetlands, rivers, and lakes are all types of what?
Surface water sources
What event can change ocean temperature?
How close the water is to the equator
What type of pollution affects the ocean the most?
plastic
Why can humans only use a small amount of Earth’s freshwater?
Most freshwater is frozen or deep underground.
Water flowing over land into rivers and oceans is called what?
Run off
What structure stores freshwater for people to use later?
A reservoir
High salinity samples (like 40,000 ppm) usually come from where?
The Ocean
Why do some people around the world NOT have clean water?
pollution etc
What part of Earth holds almost ALL of the water vapor that becomes clouds?
The Ocean
What step in the water cycle adds water vapor to the air?
Evaporation
What type of freshwater source is solid and frozen?
Glaciers
What TWO things influence ocean temperature
Depth and distance from the equator
Give one solution for protecting Earth’s water.
(reduce usage, protect oceans, clean up trash, conserve water, etc.)