Show:
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Minerals
Erosion and Soil
100
Igneous Rocks are made of _________.
What is lava or molten rock?
100
conglomerate rocks
What are clastic sedimentary rocks?
100
Metamorphic rocks are made out of _________ and ________
What is igneous and sedimentary rocks combined
100
The Moh's Hardness Scale
What is the Hardness Scale for testing minerals called?
100
Physical Change (to earth materials)
What does erosion cause?
200
________ is a type of igneous rock that is often found in our homes.
What is granite?
200
Stalagtites and stalagmites
What are chemically formed sedimentary rocks?
200
________ and _________ create metamorphic rocks.
What is heat and pressure
200
The shiny properties of a rock sample.
What is luster?
200
Very (very) slow!
What is the rate at which erosion changes rock?
300
_______ rock is another word for lava.
What is molten rock?
300
coal and shells
What are organically formed sedimentary rocks?
300
The way metamorphic rocks are exposed
What is erosion
300
Talc
What is the softest mineral on the Moh's Hardness Scale with a hardness of 1?
300
Grand Canyon
What is an example of water erosion?
400
Igneous rocks form that is formed below the earths crust is called _________.
What is intrusive?
400
bits of broken or crushed up rocks
What are sediments?
400
Metamorphic comes from the word __________
What is metamorphosis - to change
400
Streak
What is the powder left behind when "striking" a sample across a rough surface?
400
Erosion
What is moving around earth's materials by running water, wind, waves, or glaciers?
500
____________ rock is rock that forms on the outside of the earths crust.
What is extrusive?
500
pressure and cementing of sand shells and other materials
What causes sedimentary rocks to form?
500
The metamorphic rock marble comes from ______.
What is Limestone
500
Minerals
What are all rocks made of?
500
Beaches
What is caused by waves pounding pebbles into small pieces?