What are Rocks?
Igneous
Metamorphic
Sedimentary
Classifying Rocks
100
What covers the whole world, including under oceans?
Rocks!
100
How do igneous rocks form?
From cooling molten rock.
100
What are the two things needed to form Metamorphic Rocks?
High temperatures and high pressure.
100
How are Sedimentary Rocks formed?
From layers of dirt being pushed together under a lot of pressure.
100
Name one way we can classify rocks.
Possible Answers: Colour, Hardness, pattern, lustre
200
Can there be different types of materials in a rock? Yes or No?
Yes
200
Where does molten rock come from?
It is under the earth's surface, and comes out through a volcano!
200
Rocks are always changing. What do we call this cycle?
The Rock Cycle
200
What are the little pieces of rock and sand that create sedimentary rock called?
Sediments
200
We can classify rocks into three main types. What types of rocks are these?
Igneous, Sedimentary, and Metamorphic Rocks
300
How many different materials can be in a mineral?
A mineral is made of one single material
300
If you see pits in rock, what are they caused by?
Bubbles in cooling molten rock
300
Metamorphic Rocks can turn into what type of rocks?
Sedimentary and Igneous Rocks.
300
How can you tell a rock is a sedimentary rock?
You can see different coloured layers in the side of the rock.
300
What are some patterns we might observe in a rock?
Stripes, bubbles, holes, dots, etc.
400
Soil comes from ______ which comes from _____
Soil comes from dirt. Dirt comes from rocks.
400
All rock used to be _______ rock called molten rock.
Liquid or Melted
400
What type of rock will a metamorphic rock turn into if it is exposed to very high temperatures?
An Igneous Rock. High temperatures will melt the rock, and when it cools, it will become an Igneous Rock.
400
How do soil layers change in colour as we go deeper into the ground?
They get lighter in colour.
400
What is Lustre?
How shiny the rock is.
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