Rocks
Minerals
Materials
Uses
Miscellaneous
100
The three main types of rocks.
What are igneous, sedimentary, and metamorphic?
100
'Pure minerals' which only contain one component; for example, diamonds.
What are elements?
100
Hard transparent carbon minerals which are resistant to scratching.
What are diamonds?
100
Hard transparent minerals used for jewellery or drills.
What are diamonds?
100
The name for the hot liquid outside volcanoes.
What is lava?
200
The two things which make up the Earth's crust.
What are rocks and minerals?
200
The number of mineral types in the world.
What is 4,000?
200
The properties of minerals.
What are colour, hardness, and lustre?
200
A soft, smooth mineral used for things like baby powder, paints, and to keep athletes' hands dry.
What is talc?
200
The name for the hot liquid inside volcanoes.
What is magma?
300
Layers of igneous and sedimentary rock which is pushed down by upper layers of rock and 'baked' by the earth.
What are metamorphic rocks?
300
Mixtures of metals and oxygen that vary in hardness and color; for example, rubies.
What are oxides?
300
The hardness of limestone.
What is very hard?
300
A very hard mineral used on roads and buildings because it helps things stick together.
What is limestone?
300
The study of rocks and how the Earth's surface has changed over millions of years.
What is Geology?
400
Rocks formed when molten lava from volcanoes cools and hardens.
What are igneous rocks?
400
Fragile minerals that contain sulphur, oxygen, and another metal.
What are sulphates?
400
The hardness of talc.
What is soft?
400
A hard mineral used in watches and other electronics to keep accurate time.
What is quartz?
400
Two examples of igneous rocks.
What are granite and basalt?
500
Layers of rock fragments or fossils which compact over millions of years to form rocks.
What are sedimentary rocks?
500
A soft sulphate used in fertilizers.
What is Gypsum?
500
A hard mineral that can be many colors, from colorless to green or pink.
What is quartz?
500
An extremely hard mineral often used in homes as decoration around doors and windows or as kitchen counter tops.
What is marble?
500
Two examples of sedimentary rocks.
What are limestone and clay?
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