Because three-fourths of its surface is covered by water.
100
I am a material that is found in nature and that has never been alive.
What is a mineral?
100
I am a material from Earth that can be useful to humans.
What is a natural resource?
100
I am the addition of harmful materials to the environment.
What is pollution?
200
In what bodies of water is the Earth's saltwater found?
Salt water is found in oceans and seas.
200
What are the three properties of minerals used to identify them?
Color, hardness, and texture.
200
I am a rock that contains metal or other useful minerals.
What is ore.
200
What are the three types of pollution? Give an example of each.
Land- throwing away paints, cleaning products, and batteries
Water- rainwater washes chemicals from the land into bodies of water
Air- burning of fossil fuels
300
In what three different bodies of water is the Earth's fresh water found?
Fresh water is found in lakes, rivers, and streams.
300
List the Earth's layers in order starting at the surface.
Crust, mantle, outer core, and inner core.
300
What is the difference between a renewable and nonrenewable resource?
A renewable resource is a natural resource that can be replaced by nature, and a nonrenewable resource is one that is in limited supply and cannot be replaced, or takes thousands of years to be replaced.
300
The safekeeping and wise use of natural resources is called... Give an example.
Conservation- clean up litter, polluted land, and water; buy products packaged in paper rather than plastic; setting aside land for wildlife
400
I am a part of Earth's surface that has a certain shape and is formed naturally.
What is a geological feature?
400
I form when melted rock from deep below Earth's surface cools and hardens. Give one example.
What is igneous rock. (obsidian, basalt, granite)
400
Give two examples of a renewable resource and two examples of a nonrenewable resource.
Renewable- water, plants, animals, air
Nonrenewable- metal, ore, coal, minerals, natural gas
400
What are the three R's and what do they mean?
Reduce, reuse, recycle- collect old materials, process them, and use them to make new items
500
How are plateaus and plains different?
A plain is a large, flat area of land, and a plateau is the same things on a raised piece of land.
500
I am formed when sand, pieces of rock, bits of soil, and remains of once-living things are pressed together and harden. Give one example.
What is sedimentary rock. (conglomerate, limestone, shale)
500
Why are natural resources important?
Natural resources are important because they can be used when making things that people use. Natural resources provide you with the air, water, food, clothing, and shelter you need to live.
500
How can people reduce pollution?
People can reduce pollution by recycling, walking instead of driving, and cleaning up around you.