Earth and Space Science - Year 7

In one year the earth receives enough solar energy to meet the energy needs of the world for an entire year.

• True 
• False

Which is NOT an advantage of geothermal power?

• renewable
• no pollution
• you don't have to transport it
• geysers and volcanoes are everywhere

Which of these is a disadvantage of windmills?

• amount of land required
• time to construct one
• the availability of wind
• The wind does not always blow

Which renewable energy source uses the superheated water below earth's surface to spin a turbine and generator?

• hydroelectric dam
• geothermal power
• wind farm
• hydrogen fuel

Which of the following is a way that you can conserve energy?

• turn off lights that you are not using
• ride a bike to school
• turn down the heat in the winter
• all of the above

Hydroelectric dams and tidal power both use what to turn turbines?

• water pumped uphill
• flowing water
• electricity to split water
• steam

Which energy source does NOT use turbines?

• wind
• hydropower
• solar
• nuclear

What is a disadvantage of hydroelectric power?

• renewable energy
• destruction of habitats
• it is a non-renewable energy source
• there are no disadvantages

Energy from deep within the Earth is called  ____ energy.

• solar
• wind
• biomass
• geothermal

Energy from the uneven heating of the Earth is called  - 

• solar
• wind
• geothermal
• biomass