Rocks

1, The diagram shows four different layers of sedimentary rock in a cliff. Which layer of , A, B, C or D, is probably the oldest?

• A
• B
• C
• D

2, Igneous rock is formed when magma cools. Igneous rock is a ......

• gas
• liquid
• metal
• solid

3, Igneous rock is formed when magma cools. Magma is a ......

• gas
• liquid
• metal
• solid

4, Rocks are put into groups according to the way they are formed. The groups are igneous, metamorphic and sedimentary. To which group does sandstone belong?

• Igneous
• Metamorphic
• Sedimentary

5, Rocks are put into groups according to the way they are formed. The groups are igneous, metamorphic and sedimentary. In which group are fossils never found?

• Igneous
• Metamorphic
• Sedimentary

1, 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

2, Which one of these rocks is an igneous rock?

• Marble
• Limestone
• Basalt

3, What is magma?

• Salt crystals in sedimentary rock
• Molten rock
• Bubbles of gas

4, Which of the following is the order for forming sedimentary rocks?

• Sedimentation - cementation - compaction
• Compaction - sedimentation - cementation
• Sedimentation - compaction - cementation

5, Only one of these rocks is a sedimentary rock. Which one?

• Shale
• Slate
• Granite