Notes

Reading level: 3-4. Interest level: 3-6.
Contents: What is the hydrosphere? -- People and the hydrosphere -- How people use surface water -- How people use ground water -- Overconsumption -- Pollution -- How can humans help?
Summary: Readers will learn how humans use water, positively and negatively affect water, and how to protect the water supply.
Fact finders.
Humans and our planet.