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Science Quiz - Soil and Rocks 01 (Questions)

Rocks and soils tell the story of Earth’s history. They form in different ways and provide the resources and foundations we depend on every day.

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Fascinating Fact:

Diamonds are a type of rock-forming mineral made from pure carbon under extreme pressure.

In KS3 Science, students learn how rocks are formed, the different types of soils, and how these materials shape our planet. They also explore how rocks recycle through the rock cycle.

Key Terms

Igneous rock: Rock formed when molten magma cools and solidifies.
Sedimentary rock: Rock made from layers of particles or fossils compacted over time.
Metamorphic rock: Rock changed by heat and pressure without melting.

Frequently Asked Questions (Click to see answers)

What are the three main types of rocks in KS3 Science?

The three main rock types are igneous, sedimentary, and metamorphic. Each forms in a different way through cooling magma, layering, or heat and pressure.

How are soils formed from rocks?

Soils form when rocks are broken down by weathering and erosion. They mix with organic matter like decayed plants to create fertile ground for life.

What is the rock cycle explained simply?

The rock cycle is the process where rocks change from one type to another through melting, cooling, weathering, erosion, heat, and pressure over millions of years.

Try These Related Quizzes

1.

Which of the following is the BEST definition of weathering?

[ ]	Breaking up of rocks at the surface
[ ]	Change to liquid caused by intense heat
[ ]	Covering and squashing layers to form rock
[ ]	Moving of rocks from one place to another

2.

Which one of these is NOT a component of soil?

[ ]	Humus
[ ]	Magma
[ ]	Rock particles
[ ]	Water

3.

Sandstone is grainy and crumbly and may contain fossils. Its rock type is.....

[ ]	Igneous
[ ]	Metamorphic
[ ]	Sedimentary
[ ]	Soft

4.

Which type of rock has been formed from hot liquid rock called magma?

[ ]	Igneous
[ ]	Metamorphic
[ ]	Mixture
[ ]	Sedimentary

5.

Which type of soil will have good drainage, meaning water runs through quickly?

[ ]	Clay
[ ]	Loam
[ ]	Sandy
[ ]	Silt

6.

Which of the following is a metamorphic rock?

[ ]	Basalt
[ ]	Limestone
[ ]	Mudstone
[ ]	Slate

7.

Granite is an intrusive igneous rock. Which best describes its characteristics?

[ ]	A hard rock, large crystals due to slow cooling of magma
[ ]	A hard rock, small crystals due to fast cooling of lava
[ ]	A soft rock, large crystals due to slow cooling of magma
[ ]	A soft rock, small crystals due to fast cooling of magma

8.

Which one of these describes a metamorphic rock?

[ ]	A black rock formed on the Earth's surface
[ ]	A glass type rock formed by volcanoes
[ ]	A rock formed from grains of sand squeezed together
[ ]	A white rock, showing layers formed by heat and pressure on chalk or limestone

9.

Which statement about the rock cycle is true?

[ ]	Erosion is the weathering and carrying away of rock sediment
[ ]	Freeze thaw is cold weather
[ ]	Lava is molten rock inside the Earth
[ ]	Transportation is the covering and squashing of layers

10.

Which rock is composed mainly of calcium carbonate?

[ ]	Chalk
[ ]	Pumice
[ ]	Quartz
[ ]	Sandstone

You can find more about this topic by visiting BBC Bitesize - Useful materials

Science Quiz - Soil and Rocks 01 (Answers)

1.

Which of the following is the BEST definition of weathering?

[x]	Breaking up of rocks at the surface
[ ]	Change to liquid caused by intense heat
[ ]	Covering and squashing layers to form rock
[ ]	Moving of rocks from one place to another

There are several different types of weathering which can be grouped as mechanical or chemical

2.

Which one of these is NOT a component of soil?

[ ]	Humus
[x]	Magma
[ ]	Rock particles
[ ]	Water

Magma is molten rock

3.

Sandstone is grainy and crumbly and may contain fossils. Its rock type is.....

[ ]	Igneous
[ ]	Metamorphic
[x]	Sedimentary
[ ]	Soft

70% of all rocks on Earth are sedimentary and they are the only type to contain good fossils

4.

Which type of rock has been formed from hot liquid rock called magma?

[x]	Igneous
[ ]	Metamorphic
[ ]	Mixture
[ ]	Sedimentary

Igneous comes from the Greek word meaning fire

5.

Which type of soil will have good drainage, meaning water runs through quickly?

[ ]	Clay
[ ]	Loam
[x]	Sandy
[ ]	Silt

The particles are larger than silt and clay so water can get through more easily. Loam contains a lot of humus which absorbs water and keeps it from draining away. It is the best sort of soil for growing plants in

6.

Which of the following is a metamorphic rock?

[ ]	Basalt
[ ]	Limestone
[ ]	Mudstone
[x]	Slate

Igneous rock, Basalt, is the most common rock on Earth

7.

Granite is an intrusive igneous rock. Which best describes its characteristics?

[x]	A hard rock, large crystals due to slow cooling of magma
[ ]	A hard rock, small crystals due to fast cooling of lava
[ ]	A soft rock, large crystals due to slow cooling of magma
[ ]	A soft rock, small crystals due to fast cooling of magma

Aberdeen in Scotland is known as the Granite City because a lot of the public buildings have been built from the local rock which is a greyish-coloured granite

8.

Which one of these describes a metamorphic rock?

[ ]	A black rock formed on the Earth's surface
[ ]	A glass type rock formed by volcanoes
[ ]	A rock formed from grains of sand squeezed together
[x]	A white rock, showing layers formed by heat and pressure on chalk or limestone

Metamorphic comes from Greek words meaning 'change' and 'form'. This is actually a description of marble

9.

Which statement about the rock cycle is true?

[x]	Erosion is the weathering and carrying away of rock sediment
[ ]	Freeze thaw is cold weather
[ ]	Lava is molten rock inside the Earth
[ ]	Transportation is the covering and squashing of layers

Freeze-thaw is a type of weathering that occurs in cold places. Lava is molten rock that has reached the surface of the Earth. Transportation is the movement of weathered particles and forms part of the process of erosion

10.

Which rock is composed mainly of calcium carbonate?

[x]	Chalk
[ ]	Pumice
[ ]	Quartz
[ ]	Sandstone

The white cliffs of Dover are chalk. Limestone is the other important rock that is made from the mineral calcium carbonate. At GCSE, you will find out just how many products that you use every single day of your life involve limestone somewhere in their production