Vocabulary
Materials That Come From Soil
What is Soil?
Kinds of Soil
Protecting Natural Resourses
100
To use a resource carefully so it isn't used up is to ______ it.
conserve
100
A place where large blocks of rock are dug from.
quarry
100
Why is humus important?
it adds nutrients to the soil.
100
What kind of soil is very loose and easy to dig?
sandy soil
100
The place where garbage is buried in soil.
landfill
200
These are hardened parts or marks left by dead organisms from a very long time ago.
fossils
200
Why do scientists study fossils?
to learn about things that lived long ago.
200
Where, in the soil, is humus usually found?
near the top layers
200
What kind of soil is made of many tiny pieces that are very close together?
Clay soil
200
Soil, water, and air are all types of ______ ______.
natural resources
300
Material that is made in the earth from non-living matter.
minerals
300
What do we call materials that come from earth and can be burned to create useful heat?
fuel
300
What do plants do for soil?
*They hold the soil in place and prevent erosion *They give nutrients back to the soil when they die
300
What kind of soil has a good mixture of clay, silt, sand, and humus?
Loam soil
300
If we don't recycle aluminum cans, we have to find more ____ to create new cans from. (This is a rock that has useful minerals in it.)
ore
400
This is created when an organism dies and decays in the soil.
humus
400
Name two types of fossil fuels.
1) coal and 2) oil
400
Why is humus usually found near the top layer of soil?
Leaves and other plant parts, as well as dying animals, fall on top of the soil. They decay there, causing the humus to form.
400
Do plants typically grow well in clay soil? Why or why not?
They do not, because it is too hard for their roots to push through the soil. The particles are too close together. Also, water doesn't pass through clay soil very well.
400
Name two ways to conserve water.
*turn off water when you brush your teeth. *take shorter showers. *fix leaky faucets. *sweep sidewalks instead of hosing them down. *other answers will be accepted at Mrs. Grillot's discretion.
500
Changing something so that it can be used again.
recycle
500
Describe the three main ways that rocks are formed.
1) Melted material moves toward the earth's surface and cools. 2) Layers of sand, bits of rock, soil, and shells become cemented together. 3) High heat and lots of pressure are applied to minerals.
500
Name 4 things that are part of soil.
*humus *minerals *insects/bugs *water *roots/plants *air *rocks
500
What kinds of adaptations to plants have to survive in sandy soil? *think back to habitats*
They may have very long roots to reach deep into the soil, or thick stalks/stems to store and hold water inside the plant.
500
Name 4 items you use that can be recycled.
*aluminum cans *food scraps (into compost) *glass bottles *additional answers at Mrs.G's *plastic bags discretion. *plastic bottles
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