There are three main types of rock: igneous, sedimentary and metamorphic. They are formed in different ways and have different properties.
What does the presence of tiny crystals in a piece of igneous rock tell you about it?
The molten rock cooled very quickly
The molten rock cooled very slowly
The molten rock cooled deep underground
Which one of these rocks is an igneous rock?
Marble
Limestone
Basalt
What is magma?
Salt crystals in sedimentary rock
Molten rock
Bubbles of gas
Which of the following is the order for forming sedimentary rocks?
Sedimentation - cementation - compaction
Compaction - sedimentation - cementation
Sedimentation - compaction - cementation
Only one of these rocks is a sedimentary rock. Which one?
Shale
Slate
Granite
Where are the oldest layers of rock usually found in a cliff made from sedimentary rock?
At the top
In the middle
At the bottom
Which statement about metamorphic rocks is correct?
They are formed when rocks are heated until they melt
They are only formed from heated sedimentary rocks
They are formed from all types of rock when they are heated and compressed
Which type of rock never contains fossils?
Sedimentary
Igneous
Metamorphic
Which statement about the crystals in metamorphic rocks is correct?
They are small if the molten rock cooled quickly
They are large if the molten rock cooled slowly
They are often arranged in layers
Which metamorphic rock is formed from limestone?