Show:
Layers of the Earth
Types of Rocks
Types of Rocks
Soil
Weathering and Erosion
100

This is the first layer of the Earth when you dig down _________

What is crust?

100
____________ forms when melted rock (lava) is cooled and then hardens
What is igneous rock?
100
______________ forms when dust and sand settle into layers pressed together underwater.
What is sedimentary rock?
100

____ has large grains with large spaces in between each grain. Feels very gritty. 

What is sand?

100

Rocks can be changed by ___________ (4 main answers!)

What is •heat •pressure •wind •water

200
This is the hottest layer of the earth.
What is inner core?
200
These rocks are formed in layers at the bottom of lakes and oceans.
What is sedimentary rock?
200
Properties of a rock are...
What is size, texture, luster, color and shape?
200

_____ is sticky when wet, but when it dries, it forms hard clumps. 

What is clay?

200

_________ breaks rock down into smaller pieces called sediment. 

What is weathering?

300
This is the smallest layer of the earth ___________
What is crust?
300
Clay, sand and shells are types of
What is sediments?
300
This rock forms from heat and pressure.
What is metamorphic?
300

_____ is made of pieces smaller than sand. 

What is silt?

300

_________ is the process when the broken pieces of rock get moved to a different location. 

What is erosion?

400
Name all layers of the earth in the order starting from the crust.
What is mantle, outer core and inner core?
400
Metamorphic rocks are formed that have been changed by ________ and __________
What is heat and pressure?
400
The group of rocks sandstone is in...
What is sedimentary?
400

_________ is soil that is made up of decayed parts of once-living organisms. Dark, soft, and crumbly. 

What is humus?

400

This type of weathering can create amazing landscapes, such as rocks that look like mushrooms. 

What is wind?

500
The _______ is the thickest layer of Earth. 

What is the Mantle?

500
What are solid forms in nature that have never been alive?
What is minerals?
500
Remains of living things that become trapped in materials that become sedimentary rock
What is fossil?
500

_____ is a combination of soil types and is rich soil for plants. 

What is loam?

500

This is an example of CHEMICAL weathering that can happen to rocks. 

What is acid rain or animal waste?