Karleigh
We call the materials on Earth that are available for our use ___________________.
Natural Resources
What is the most common form of renewable energy?
Hydropower or Hydroelectric
Veins, concentrated areas of a mineral, are found near what kind of areas?
Volcanic areas
How much of the Earth's surface is covered in water?
3/4
The majority of liquid freshwater is found where?
What fossil fuel is considered a liquid rock and a nonrenewable resource that provides us much energy?
Petroleum
What is a drawback of using Geothermal energy?
1. Water used by geothermal plants from deep in the Earth can contain pollutants.
2. Areas with magma close to the surface must be available
What does it mean for an object to be "malleable"?
The object's shape is able to easily changed or flexible
All of Earth’s water found in lakes, oceans, streams, rivers, soil, underground, and in the air is referred to as the ____________________.
Hydrosphere
What is an aquifer?
Layers of sand, gravel, or bedrock that hold and move ground water.
Refineries produce at least what two products from crude oil?
Acceptable answers:
Diesel, Gasoline, Kerosene, Petroleum, and heating oil.
Name TWO drawbacks of using Wind Power.
1. Wind turbines use a lot of space
2. Not all areas have continuous wind
3. Electrical energy is hard to store from wind turbines
4. Wind turbines can be an eyesore to some people
What does it mean to be called a "precious" metal?
Name all of the steps of the "Water Cycle".
Evaporation, Condensation, Precipitation, and Transpiration.
What can we do to help conserve our resources here on earth?
Reduce, Reuse, and Recylce.
Explain how uranium is used by nuclear reactors?
Uranium atoms are split, producing energy that heats water, then creating steam that helps generate electricity.
When sunlight hits a solar panel, what in the panels causes a chemical reaction to produce an electric current?
Photovoltaic cells
What do you call a period of rest for soil to naturally replenish its nutrients for a future season of harvest?
Fallow
What do we call the process of removing salt from water?
Desalination
_____________ is the term we use to refer to water vapor in the air. When water vapor condenses, it falls to the earth and provides the water we need.
Humidity
What grade of coal is the most common but creates the most pollution?
HINT~ starts with a "B"
Which renewable energy source produces pollution or radioactive waste?
None of them
Explain in detail what "Contour Plowing" is and why its used.
Farmers plow furrows horizontally around a hill instead of up and down it. The furrows slow the flow of rainwater downhill so that it does not carry away as much topsoil. The furrows also help keep the water on the fields longer, providing more moisture for the crops.
Phytoplankton carry out what biological process that takes in carbon dioxide to produce much of the oxygen on Earth?
Photosynthesis
What is the difference between an ice sheet, an ice shelf, and an iceberg?
An ice sheet is an expanse of ice on land, an ice shelf is when the ice sheet reaches the ocean, and an iceberg is when an ice sheet or ice shelf floats away independently.