Show:
Minerals & Rocks
Soil
Fossils & Fuels
Air & Water
Combo.
100
What are the four properties of minerals?
Color, Streak, Luster, Hardness
100
Minerals, weathered rocks, and bits of decayed plants and animals make up what?
Soil
100
The bone of an animal that lived long ago.
Fossil
100
Why is air important?
It has oxygen for us to breathe
100
Melted rock inside the earth is called?
magma
200
How do we classify rocks?
Igneous, Sedimentery, metamorphic
200
Soil can be different in.... Color and Texture
Color and Texture
200
People can use these three things to make electricity.
sun, wind, moving water
200
Most of our fresh water sources are what?
Frozen
200
The best kind of soil for growing plants is?
Loam
300
What are rocks made of?
Rocks are made up of one or more minerals.
300
Soil is a _________ and is important because people need plants that grow in soil. Natural Resource
Natural Resource
300
After ancient plants and animals die their remains turn into a fuel called what?
fossil fuel
300
A wall that is built on a river is called a?
dam
300
How is water carried to people?
aqueducts
400
What is a mineral.
A solid, nonliving substance found in nature.
400
The 3 layers of soil in order are?
Topsoil Subsoil Bedrock
400
An animal footprint in solid rock is an example of what kind of fossil?
imprint
400
One way water may become polluted is when people use what to help grow plants?
fertilizers
400
Oil and gas are what kind of resources?
Nonrenewable
500
How do we use rocks and minerals? TWO examples for minerals and TWO examples for rocks.
Minerals: pencils, salt, glass, chalk, toothpaste, gems Rocks: building roads, houses, statues
500
Three types of soil are?
Sandy Soil Silty Soil Clay Soil
500
Plants and animals are examples of what kind of resource?( they can be replaced)
Renewable
500
When people use less of something they are practicing what?
conservation
500
Most of Earth's water is too what for us to drink?
Salty