science ch 3 part 2

Which energy resource is not a fossil fuel?

• hydroelectric energy

• coal

• natural gas

• petroleum

Which problem would not occur as a result of using fossil fuels?

Groups:

(a) would occur

,

(b) would not occur

• oil spills

• radioactive pollution

• air pollution

• production of soot

• sulfur gases

Farms need to keep their fields from eroding

during the seasons that crops are not planted on them. Which method

would be best to prevent erosion?

• using contour plowing

• letting the fields lie fallow for a season

• planting a ground cover

• digging for minerals

The Euler family farm has grown corn on several of their fields for the

last thirty years. Grandpa Euler’s records show that the amount of corn

produced each year is steadily decreasing. What can they do to increase

corn production?

• using geothermal energy

• using contour plowing

• planting a ground cover

• C. letting the fields lie fallow for a season

Which disadvantage is associated with the use of wind energy and solar

energy?

• causes pollution

• does not use water

• requires large land areas

• requires heavy maintenance

Which disadvantage is associated with the use of wind energy and solar

energy?

• requires heavy maintenance

• causes pollution

• requires large land areas

• does not use water

Which is not an advantage of using windmills to provide wind energy?

• A. requires a steady wind

• does not cause pollution

• is a renewable resource

• requires little maintenance

Water stored beneath the surface of the earth is called

29. Water returns to the sky through ____ and evaporation.​ ​ (a)  

• transpiration
• precipitation
• condensation
• conservation

What are all the materials available on Earth for man’s use called?

• renewable resources

• natural resources

• the hydrosphere

• energy