This is a feature, or shape, on the land, such as a mountain, plain, or plateau.
What is a landform?
100
This refers to the breaking and changing of rocks.
What is weathering?
100
This is nonliving, solid matter from the earth.
What is a mineral?
100
Natural resources are useful things the earth produces, and can be divided into these two categories.
What is renewable and nonrenewable?
100
These are the three types of rocks.
What is 1.) igneous rock 2.) sedimentary rock 3.) metamorphic rock?
200
This is the most dominant feature on earth's surface, covering about three-fourths of it.
What is water?
200
Trees growing in cracks in rocks can cause this.
What is weathering?
200
These are the three physical properties of minerals.
What are luster, color, and hardness?
200
These are three ways to conserve natural resources.
What is 1) reduce natural gas use by turning down the thermostat 2.)reduce gasoline use by carpooling 3.)recycle paper
200
This is a type of soil rich in nutrients, that has fine, tightly packed grains. Plants do not grow well in it because roots cannot spread out.
What is clay soil?
300
This is a type of volcano that is "sleeping", or hasn't erupted in many years.
What is a dormant volcano?
300
These are large piles of windblown sand.
What are dunes?
300
This is the type of rock that is made from magma that cools below the earth's surface.
What is igneous rock?
300
This nonrenewable resource forms from dead microorganisms that are buried in sediment and acted upon by heat and pressure.
What is natural gas?
300
These are large areas of ice formed from snow, which may cause erosion.
What are glaciers?
400
Earthquakes are caused by rock movement along one of these.
What is a fault?
400
Erosion is the moving of weathered rocks and soil by what three forces?
What is wind, water, and ice?
400
These are two forces that change rock deep inside the earth, therefore creating a metamorphic rock.
What are heat and pressure?
400
These are used to get petroleum out of the earth.
What are oil wells?
400
A diamond is known the most for which physical property?
What is hardness?
500
This forms when heat and pressure melt rocks inside the earth.
What is magma?
500
Strips of grass or clover absorb rainwater and help slow down the movement of water over land, which helps to control erosion. Farmers refer to these strips of grass and clover as this.
What is a cover crop?
500
This is once living matter that has been broken down by decomposers. There is a lot of it in topsoil.
What is humus?
500
This is a natural resource that is formed in shallow ocean basins from the remains of dead microorganisms that are buried by layers of sediment.
What is petroleum?
500
Mount Arenal is an active volcano in what country?