Show:
Rocks
Earth's Layers
Earth's Surface
Changing Rocks
Rock Uses
100
What are the types of rocks?
Igneous, Sedimentary, Metamorphic
100
What is the first layer of the earth called?
crust
100
What are 3 of the elements that can change the earth's surface?
people, water, wind
100
What does sandstone become?
quartz
100
What can granite rock be used for?
to build roads
200
What type of rock comes from magma?
Igneous
200
What layer of the earth does magma come from?
mantle
200
How does wind change the earth's surface?
blows sand and soil
200
What rock can shale become?
slate
200
What is coal used for?
energy
300
What are Sedimentary Rocks?
bits of rock that have been pressed together
300
What layer of the earth is the furthest away from the crust?
inner core
300
How does ice change the surface of the earth?
breaks apart rocks
300
What rock can change into limestone?
marble
300
What is one use of clay?
pottery
400
What are Metamorphic Rocks?
Sedimentary Rocks that have changed
400
What layer of the earth is really hot and a liquid layer?
outer core
400
How does water change the surface of the earth?
moves soil, sand, and rocks
400
How long does it take a rock to change?
few million years
400
What is one use for Talc?
used to make chalk
500
What are the 3 things that cause rocks to change?
time, heat, pressure
500
What layer of the earth is really really hot, but solid?
inner core
500
How do people change the surface of the earth?
walking, building roads, planting fields
500
What is pressure?
squeezing layers of rock
500
What is one use for clay rocks?
used to make bricks