natural resources

Energy source used to replace fossil fuels.

• alternative
• renewable
• nonrenewable
• recyclable

Energy from the sun.

• wind
• hydroelectric
• solar
• biofuel

Takes millions of years to form.

• hydroelectric
• renewable
• solar
• fossil fuels

Source of energy for fossil fuels.

• swamp
• plants
• sun
• water

The wearing or breaking down of rock.

• weathering
• erosion
• minerals
• compaction

Solid fossil fuel formed from ancient plants.

• coal
• oil
• petroleum
• natural gas

Solid fossil fuel formed from ancient plants.

• coal
• oil
• petroleum
• natural gas

A resource that can be easily replaced.

• renewable
• alternative
• nonrenewable

Plastic water bottles.

• nonrenewable
• alternative
• renewable

Timber, pork and corn.

• nonrenewable
• alternative
• renewable