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Rocks and Soils Grade 6

Total questions: 25

Worksheet time: 12mins

Name
Class
Date
1.

Sedimentary rocks are made from...

a)

Heat and Pressure

b)

Sediments

c)

Magma cooling

2.

Igneous rocks are made from...

a)

Heat and pressure

b)

Sediments

c)

Magma cooling

3.

Metamorphic rocks are made from...

a)

Heat and pressure

b)

Sediments

c)

Magma cooling

4.

Topsoil is the top layer of soil where most plant life can be found growing.

a)

True

b)

False

5.

The subsoil is the layer just above the bedrock and often contains larger rocks.

a)

True

b)

False

6.

Subsoil is the layer below the topsoil that has very little humus in it, but is rich in minerals.

a)

True

b)

False

7.
When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?
a)
sand
b)
silt
c)
clay
d)
humus
8.

Granite is a type of ___ rock.

a)

igneous

b)

sedimentary

c)

metamorphic

d)

oceanic

9.

___ rocks often have layers in them.

a)

Sedimentary

b)

Igneous

c)

Metamorphic

d)

Continental

10.

Which type of soil is best for gardening?

a)

sandy

b)

loam

c)

clay

11.

Which type of soil used for pottery?

a)

loam

b)

clay

c)

sand

12.

What two intense things help form metamorphic rocks?

a)

Temperature

b)

Density

c)

Pressure

d)

Volume

13.

This type of rock has holes in it because cooling lava traps pockets of gas.

a)

Igneous

b)

Sedimentary

c)

Metamorphic

14.

This type of rock can include shells or fossils!

a)

Igneous

b)

Sedimentary

c)

Metamorphic

15.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
16.
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
a)
Sedimentary
b)
Igneous
c)
Metamorphic
17.

Gneiss is a rock that forms from high pressure and temperatures. What type of rock is this?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

18.

Conglomerate forms from pebbles that are cemented together. Which type of rock is this?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

19.

Obsidian forms when lava cools rapidly. What type of rock is this?

a)

Igneous

b)

Sedimentary

c)

Metamorphic

20.

Granite forms from the slow crystallization of magma below Earth's surface.

a)

Igneous

b)

Metamorphic

c)

Sedimentary

21.

This rock was another type of rock that was heated and compressed over time. What type of rock is this?

a)

Sedimentary

b)

Igneous

c)

Metamorphic

22.
The process when rocks break into smaller pieces due to exposure to natural elements is called
a)
erosion
b)
weathering
c)
sediments
23.
What type of dirt has lots of living things in the top layer?
a)
topsoil
b)
granite
c)
water
d)
sandstone
24.
Soil is made of
a)
weathered rocks and minerals
b)
dead plants and animals
c)
air and water
d)
all of the above
25.

What two processes result in the formation of Metamorphic Rock according to the diagram.

a)

Solidification and melting

b)

burial and cementing

c)

heat/pressure and metamorphism

d)

weathering/erosion and deposition