Soil Particles
Natural Resources
Renewable & Nonrenewable Resources
Potpourri
The 3 Rs
100
Soil gives plants _______________ so they can grow
What are nutrients
100
What is a natural resource?
Something from the Earth that people use
100
What is a renewable resource?
A resource that can be easily replaced in a relatively short amount of time
100
What tool is used to measure mass?
What is a pan balance
100
Name the "3 Rs"
What are reduce, reuse, and recycle
200
Name the particles of soil from SMALLEST to LARGEST in size
What clay, silt, and then sand
200
These come from the Earth and are used by people
What are natural resources
200
Name a renewable resource
(Answers Vary)
200
What tool do we use to measure volume?
What is a graduated cylinder
200
Breaking down a material in order to make it into something else is known as ____________.
What is recycling
300
Dead organisms are considered _________________ before breaking down into humus.
What is surface litter
300
Name one product we can make out of cotton.
What is clothing
300
Name a nonrenewable resource
(Answers Vary)
300
It is easy to compare data with this type of display.
What is a bar graph
300
What does it mean to reuse an item?
To use the same item over and over again, even for a different purpose.
400
Soil is a mixture of what 4 things?
What are water, air, bits of rock, and humus (dead plants/animals)
400
Why is soil considered a natural resource?
It comes from the Earth and we use it to grow food
400
What is a nonrenewable resource?
A resource that can be used up/takes a very long time to replace
400
Name the 4 ways we classify rocks.
What are appearance, composition, size, and texture
400
You ________________ resources so you can make sure they last.
What is conserve
500
How is soil formed?
Bedrock breaks down by weathering, and then mixes with water, air, and humus to make soil
500
Resources can be threatened if people _______________ the land, air, or water.
What is pollute
500
Nonrenewable resources formed over a very long period of time from the remains of once-living organisms are called _____________.
What are fossil fuels
500
Name the 3 layers of soil from CLOSEST to the surface to FURTHEST from the surface
What are topsoil, subsoil, and then bedrock
500
Betty grew out of her sweaters and gave them to her sister, Martha. Martha is _______________ the amount of cotton she needs.
What is reducing
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