Rocks and Minerals
Rocks are made up of one or more ____________.
Minerals
What are the four properties of a mineral?
Luster, hardness, streak, and color
Sand, silt and clay make up this soil layer.
Subsoil
Natural Resources are materials on Earth that are _________ to humans.
Useful or necessary
What are the four layers of soil? (List from top to bottom)
Humus, topsoil, subsoil, bedrock
What are the three types of rocks?
Sedimentary, Igneous, and Metamorphic
Which property of a mineral describes how easily the mineral can be scratched?
Hardness
Which layer of soil is beneath all others and made up of rocks?
Bedrock
Give an example of a natural resource.
Answers may vary.
(Plants, animals, soil)
Which type of rock is made up of layers of sediments?
Sedimentary rock
This type of rock forms when magma cools and is known as the 'fire' rock.
Igneous rock
Which property of a mineral describes how light bounces off a mineral?
Luster
This layer of soil is made of of decayed plants and animals.
Humus
Are fossil fuels renewable resources or nonrenewable resources?
Nonrenewable
What are nonrenewable resources?
Resources that cannot be replaced or reused easily.
Which type of rock is changed over time by heating and squeezing?
Metamorphic rock
Which property of a mineral describes the color left behind when a mineral is rubbed across white tile?
Streak
This layer of soil contains lots of humus and plant roots.
Topsoil
Resources that can be replaced and used again.
Energy from the sun is called ________________.
Solar Energy
How do humans use rocks and minerals?
Answers may vary.
(Tables, salt, pencils, etc.)
Is a minerals streak always the same color as that mineral?
No, the streak can be a different color.
How do humans use soil?
Answers may vary.
(To grow plants for oxygen, To grow food)
Give an example of a nonrenewable resource.
Answers may vary.
(Fossil fuels, coal, oil, gas)
What is hot molten rock called?
Magma