WorksheetsQuiz Review 2/25
Total questions: 20
Worksheet time: 15mins
Why would scientists conduct investigations on a newly discovered alternative fuel?
to maintain the public dependence on fossil fuels
to maintain the success of the petroleum industry
to confirm that the alternative fuel is cleaner than fuels currently use
to confirm that the alternative fuel increases atmospheric carbon dioxide
Oceanic crust is denser than continental crust. So when the two meet, oceanic crust subducts under continental crust. This fact BEST supports which claim?
The hardest rocks on Earth are in the oceanic crust.
The hardest rocks on Earth are in the continental crust.
The oldest rocks on Earth are in the oceanic crust.
The oldest rocks on Earth are in the continental crust.
Wind farms are clusters of wind turbines used to produce electricity. Often wind farms sell the electricity they produce to utility companies. New technologies have recently decreased the cost of producing electricity from wind. Which is a potential benefit of making this source of energy more affordable?
It allows individuals to use wind energy to power their homes.
It causes individuals to seek other nonrenewable energy sources.
It enables government agencies to regulate wind power generators
It encourages public utility companies to raise the cost of electricity.
When the material in the mantle heats up it becomes
Less dense and rises
Less dense and sinks
More dense and rises
more dense and sinks
Where do convection cycles happen?
core
mantle
crust
If magma decreases in temperature (cooler) what will happen to the magma?
It will move down (sink)
It will rise up (float)
Why is it important to use renewable energy?
it is damaging to our environment
it is cleaner for the environment
fossil fuels are better
renewable energy is not safe
What are Mrs. Krahn's dogs names?
Louis
Charles
Audrey
Fluffy
