Chapter 6 - Protecting Earth's Resources
Unit C - Earth and Its Resources
- Chapter 6 - Protecting Earth's Resources
What are Earth's resources?
Did you know miners must dig up and process as many as 30 tons of rock to make a single gold ring? Take a dazzling look at how gold is mined and transformed.
Young Naturalist Awards Essay
A treasured collection of geologic samples from the Arizona mine where her grandfather worked launched this 7th-graders's interest in Earth science.
By: Center for Biodiversity and Conservation — A series of pamphlets published in conjunction with the CBC's fall 1998 public presentations focusing on the effect of individuals' daily decisions and lifestyle choices on biodiversity conservation.
Confused about fusion? You won't be once you've completed this experiment, which demonstrates how a strong nuclear force can fuse two protons that naturally repel each other.
An in-depth look at the life-giving and finite resource of water.
Most people think of urban sprawl as the construction of roads and buildings at a rate that exceeds population growth. Phoenix, Arizona, however, offers a contrasting model of sprawl. Its metropolitan area has grown more than 300 percent in recent decades, but its population has grown even faster. Since the mid-1980's, the city's population density has increased as people continue to move to the region even as the urban area's boundaries have grown more slowly. This trend is by necessity, since the water supply cannot feed an ever-expanding metropolitan area.
It's not surprising that the larger the world's population grows, the more fresh water we consume. But what is surprising is just how much of this precious commodity we've depleted in recent years.