How a rock or mineral reflects light. (How shiny it is)
200
Which type of rock is formed from little bits of rock getting cemented together?
Sedimentary rock
200
Hot melted rock found underneath the earth's surface is called what?
Magma
200
What type of rock is used to make baby powder because it is so soft?
Talc
200
What is the only liquid layer of earth?
Outer core
300
How do we decide how hard a rock or mineral is?
We do a hardness test by scratching it with your fingernail, a penny, and a metal nail. We then use Moh's hardness test to see what number on the hardness scale it is.
300
Which type of rock has been changed after getting baked or pushed together with great pressure?
Metamorphic rock
300
A substance made from the weathering and erosion of rock.
sediment
300
Name 2 types of rocks that are commonly used for statues or in buildings and counter tops...
Granite, marble, or quartz
300
Name 5 things soil is made up of....
gravel, clay, silt, sand, dead plants and animals (organic matter), water, air
400
What rocks or minerals are a 1 and a 10 on Moh's hardness scale?
Talc is a 1, Diamond is a 10.
400
Which type of rock is formed from cooled melted rock?
Igneous rock
400
What is weathering?
When wind, water, and ice break down rocks into smaller pieces called sediments.
400
What type of rock is found inside your pencil?
Graphite
400
Name the layers of earth in order from inside to outside.
inner core, outer core, mantle, crust
500
If a rock could be scratched by your fingernail and a penny, but not by a metal nail, would it be a soft, medium, or hard rock?
medium
500
Which type of rock can be made from any other type of rock?
Metamorphic rock
500
When sediments get squished together underneath many layers over millions of years to form a solid rock, this is called...?
compaction
500
Name a type of rock that can be made into something eatable?
halite (salt)
500
What is the difference between a rock and a mineral?
Minerals are pure natural substances. Rocks are made up of two or more minerals.