Rocks
Soil
Hardness
Igneous, sedimentary, or metamorphic
Random
100
What is a person who studies rocks called?
A geologist
100
What are the 4 types of soil we talked about?
Sand, Silt, Clay, Loam
100
What is the hardest mineral on the MOHs hardness scale?
Diamond
100
Rocks formed by lava or magma
Igneous
100
What are the two types of igneous rocks?
Intrusive and Extrusive
200
Name 3 properties that you can observe in rocks
Color
Shape
Size
Luster
Magnetic
Buoyancy
Texture
Hardness
200
Which type of soil is the best for growing plants because it has nutrients and drains water the best?
Loam
200
What mineral can scratch quartz, but cannot scratch corundum
Topaz
200
Rocks that were changed by heat and pressure
Metamorphic
200
What type of soil has large grains?
Sand
300
What tools might a geologist use?
Notebook, computer, hammer, camera, seismograph
300
What are the 4 materials in soil
rocks, air, water, humus
300
What can talc be scratched by?
All of them!
A finger nail
300
Rocks that are formed at the bottom of a lake or ocean
Sedimentary
300
What type of soil has small grains?
Clay
400
What are small pieces of rocks called?
Sediments
400
What is humus?
Rotting plants and animals
400
What mineral can gypsum scratch?
talc
400
Obsidian is an example of...
An igneous rock
400
What type of soil has medium grains?
Silt
500
Rocks are made up of...
More than one mineral
500
What is the bottom layer of soil that is made of solid rock called?
Bedrock
500
What mineral can be scratched by fluorite, but not by gypsum?
Calcite
500
What type of rock might contain fossils?
Sedimentary
500
What is the middle layer of soil called that is lighter in color and has some very large tree roots that reach it?
Subsoil