Snapquiz - Renewable Energy Resources

This is the Snapquiz on Renewable Energy Resources. Click here or use the embedded video if you haven't watched the lesson yet.

Question 1. What causes the tides?

The wind blowing on the water.
The centripetal action of the Earth's rotation.
The Sun heating the water.
The gravitational attraction of the Moon.

Question 2. What is the energy source in geothermal power?

Heat from the Earth's core produced by tectonic activity.
Heat from the Earth's core produced by nuclear reactions.
Heat from the Earth's core produced by pressure.
Heat from the Earth's core produced by convection currents.

Question 3. Where must tidal barrages be placed to effectively harness tidal energy?

In the sea in any coastal area.
River estuaries.
Fast-flowing streams and rivers.
Far out to sea.

Question 4. Which energy resource can only be effectively harnessed where the Earth's crust is thin and/or where there's a lot of volcanic activity?

Wind power.
Solar power.
Geothermal power.

Question 5. Which energy resource usually requires a valley to be dammed?

Tidal power.
Geothermal power.
Wave power.

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