Topic 6 Natural Resources Review

Renewable resources cannot be replaced, while nonrenewable resources can be replaced.

• true

• false

Renewable resources are unlimited, while nonrenewable resources are limited.

• true

• false

Select the two reasons why burning fossil fuels can be problematic.

• it burns very hot and creates lots of energy

• nonrenewable

• contributes to greenhouse effect/global warming

• they're more expensive than other options

Hydroelectric power plants (aka dams) rely on what to generate electricity?

• spinning of turbines by moving air

• converting energy from the sun

• movement of large amounts of water downhill

• evaporation of large volumes of water to create steam

Some people lack fresh water because where they live, the water cycle isn't active.

• true

• false

Some freshwater sources aren't available because they are trapped and unreachable in underground aquifers.

• true

• false

Some places lack freshwater due to pollution.

• true

• false

Some places lack freshwater because sources of water are unequally distributed, and much of the Earth's freshwater is tied up as ice in glaciers and ice caps.

• true

• false

Mineral A cannot be made from other substances and there is a limited supply of it. Mineral A is an example of...

• a fossil fuel

• a renewable resource

• a nonrenewable resource

• a natural pollutant

Why are fossil fuels useful?

• They provide clean energy and don't produce greenhouse gases when burned

• they're renewable

• the produce the same amount of energy as other types of fuels

• they burn much hotter than wood