Ch5 Human Impact on the Environment

Front

What happens if humans use a large amount of a resource, such as oil, in a relatively short period of time?

Back

The resource can become scarce or disappear altogether.

Front

Which statement best summarizes the sources or disappear altogether?

Back

Scientists monitor many renewable and nonrenewable resources.

Front

Why are scientists exploring other renewable energy sources along with solar energy?

Back

The collection of solar energy is limited to daylight hours.

Front

Energy sources consumed by humans that are considered nonrenewable: fossil fuels, hydroelectricity, solar energy, wind power.

Back

fossil fuels

Front

What is good evidence that the over-exploitation of resources in an environment harms organisms living in that environment?

Back

When people cut down and log trees in a forest, many species of animals lose their habitats.

Front

If resources are renewable, like water and soil, polluting them____.

Back

is harmful because it hurts all organisms

Front

Identify which is not a cause of species endangerment: habitat destruction, hunting, reforestation, pollution.

Back

reforestation

Front

What device would change electricity into both heat and light?

Back

light bulb

Front

What is the primary energy source for all renewable and non-renewable energy resources?

Back

the sun

Front

Disadvantage of nonrenewable energy resources?

Back

Resources such as natural gas are finite in their availability and are not replaced for millions of years.