Lesson 1
The water found on Earth makes up the _______
Hydrosphere
About 97 % of Earth’s surface water is _______ water found in ______
Salt; Oceans
_____ ____ —- a sometimes harmful rapid increase in the amount of algae found in water
Algae bloom
The three R’s guide people in how to conserve resources —_____, _____, and _____
reduce; reuse; and recycle
_______ — water stored in the cracks and spaces between particles of soil and underground rocks
Groundwater
________ — a covering of ice over a large area such as in the polar regions
Ice caps
_______ is any harmful substance that affects Earth’s resources
Pollution
________— a thick sheet of ice
Glaciers
________ — an artificial lake built for storage of water
reservoir
What does the Safe Drinking Water Act do?
It protects drinking water and water resources
Only about 3% of Earth’s water is ________
Freshwater
______ — the process of water being stored on Earth’s surface, in the ground, or as a water feature
Storage
Humans can help slow the use of natural resources through _______ .
_________ — the practice of using resources wisely
Conservation; conservation
There are three main sources of usable fresh water: ______,_____,______
Ground water; Running water; Standing water;
What are some ways that cause water pollution?
heavy rains can wash fertilizers into lakes, rivers, and streams, and oil spills