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100
True or False?
Understanding the PROPERTIES of minerals helps people to know how to use them.
True!
100
True or False?
A landslide is an example of WEATHERING?
False - erosion.
100
True or False?
The Bible tells us in Genesis 1 that God DESTROYED the earth with dry lands and seas.
False - created!
100
True or False?
Erosion is caused by wind and FLOWING WATER.
True!
100
True or False?
Scientists classify rocks by how they are FORMED.
True
200
The breaking down of rocks into smaller pieces is called....
Weathering!
200
The movement of rocks and soils is called....
Erosion! (eg landslides!)
200
The remains of a living thing that died and was buried quickly is a ....
fossil!
200
The remains of living things that have died and decayed in soil become...
humus!
200
Rocks are made of one or more...
minerals!
300
Is it COMMON or PRECIOUS?
Table salt is a mineral that is easy to find.
A common mineral!
300
Is it COMMON or PRECIOUS or BOTH?
Gems are minerals that are hard to find.
Precious!
300
Rocks that form when melted rocks cool are ....
igneous rocks
300
You can identify a mineral by the crystal shape, color, streak, and....
hardness!
300
What is the scale called that measures the hardness of rocks/minerals?
Mohs Scale!
400
A rock that has layers formed by compaction are called...
sedimentary!
400
What type of rocks are formed when pre-existing rocks are transformed by heat or pressure?
Metamorphic!
400
Why is it important to conserve soil?
Soil is a natural resource that was given to us by God. It is used to grow food for people and animals. It is used to grow plants used for medicine. Soil is used to make bricks, roads, plates, and cups.
400
What does conserve mean?
To conserve means to take care of and to use a natural resource wisely.
400
What is a natural resource?
It is anything in nature that God made for people to use
500
What is layer 1?
Topsoil!
500
What is layer 2?
Subsoil!
500
What is layer 3?
Bedrock!
500
What is layer contains humus?
Layer 1, topsoil
500
What is layer has large unbroken rock?
Layer 3 - bedrock