How much of Earth's water is salt water?
About 97%
Name at least 2 examples of renewable energy.
wind, water (hydropower), sun (solar power), biomass
Name 2 spheres that are affected: An oil tanker crashes and spills oil into the ocean killing several fish and many plants.
hydrosphere and biosphere
Give an example of a nonrenewable resource.
oil, natural gas, coal, (fossil fuels) and nuclear energy
Which of Earth's spheres are impacted.
Glitter ends up in the ocean killing a small fish.
hydrosphere, biosphere
What is a disadvantage of using coal as a source of energy?
It is not renewable.
We will run out of coal.
It is a fossil fuel that cannot be replenished as fast as we are using it up.
What are the two main gasses that make up our atmosphere?
Nitrogen and Oxygen (make sure you know the percentages- it's on the test!)
What percentage of fresh water do we get from glaciers?
About 68%
Describe one interaction that includes at least 2 spheres.
various
Name each layer of the Earth.
A- Crust
B- Mantle
C- Outer Core
D- Inner Core