7th Chapter 19 Review

Which statement about the picture is false?

• Wind power is a free energy source but has an expensive start-up cost.

• Wind is indirectly created from the sun.

• Wind turbines create an enormous amount of toxic waste.

• Wind farms can produce a large amount of electricity.

Which is a renewable resource?

• The sun.

• Crude oil.

• Coal.

• Nuclear energy.

Which could be a definition for renewable resources?

• A resource that can be replenished slowly.

• A resource that can be replenished quickly like wood ,natural gas, petroleum, and water.

• A resource that can be replenished quickly and won't run out.

• A resource that comes from the earth naturally and is useful to humans.

What is one way to conserve energy?

• Use hot water only.

• Play on the Xbox.

• Put a timer on your tv.

• Only use lava lamps.

Tags

NGSS.MS-PS3-3

Which of these is a really bad way way to conserve energy?

• to leave the light off when your not in a room

• to leave the stove on when you are done cooking

• to turn the water off when you're brushing you're teeth

• to watch less tv

waste materials that are harmful to human health

• erosion
• coal
• resources
• hazardous waste

What is needed to produce hydroelectric power?

• fossil fuels
• su
• falling water
• uranium

The burning of fossil fuels has raised the percentage of what in the atmosphere?

• carbon dioxide
• ozone
• CFCs
• radon

Which of the following is a renewable resource?

• oil deposits
• trees
• uranium deposits
• fossil fuels

Which of the following is a way to reduce smog?

• using buses
• taking trains
• driving electric cars
• driving cars that burn gasoling