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Science: Elementary School: Grades 3, 4 and 5 Quiz - Rocks (Questions)

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Rocks and stones are solid minerals. There are many different types. You may have used chalk on a blackboard but did you know that chalk is a rock? Different rocks have different properties. One kind, pumice, can even float! Basalt is one of the most common rocks on Earth because most of the ocean's floor is made from it. The Giant's Causeway, a famous tourist attraction located in Northern Ireland, is formed from hexagonal basalt columns. These columns formed entirely naturally from cooling lava after an ancient volcanic eruption.

Which one of the following is not a type of rock?

[ ]	Organic
[ ]	Igneous
[ ]	Sedimentary
[ ]	Metamorphic

Which type of rock is formed when other rocks are put under huge amounts of heat or pressure?

[ ]	Organic
[ ]	Igneous
[ ]	Sedimentary
[ ]	Metamorphic

Which type of rock is formed from mud or shells?

[ ]	Organic
[ ]	Igneous
[ ]	Sedimentary
[ ]	Metamorphic

Which type of rock is formed from cooled lava or magma?

[ ]	Organic
[ ]	Igneous
[ ]	Sedimentary
[ ]	Metamorphic

Which rock can float on water?

[ ]	Sponge
[ ]	Pumice
[ ]	Diamond
[ ]	Granite

Which of these rocks is white?

[ ]	Basalt
[ ]	Obsidian
[ ]	Chalk
[ ]	Slate

'Durability' means 'able to withstand wear and tear'. Which of these rocks has the greatest durability?

[ ]	Chalk
[ ]	Sandstone
[ ]	Siltstone
[ ]	Granite

Fossils can be found in which type of rocks?

[ ]	Sedimentary
[ ]	Igneous
[ ]	Metamorphic
[ ]	All of the above

What does 'permeability' mean?

[ ]	How magnetic a material is
[ ]	How well a material allows another substance to pass through it
[ ]	How heavy a material is
[ ]	How effective a thermal insulator a material is

10.

Why is slate often used to make roof tiles?

[ ]	Because slate is impossible to break
[ ]	Because slate is not too durable
[ ]	Because slate is heavy and permeable
[ ]	Because slate is durable and impermeable

Science: Elementary School: Grades 3, 4 and 5 Quiz - Rocks (Answers)

Which one of the following is not a type of rock?

[x]	Organic
[ ]	Igneous
[ ]	Sedimentary
[ ]	Metamorphic

Organic usually means to do with living things

Which type of rock is formed when other rocks are put under huge amounts of heat or pressure?

[ ]	Organic
[ ]	Igneous
[ ]	Sedimentary
[x]	Metamorphic

'Metamorphosis' means 'to change form'. Diamonds, which are formed from carbon, are examples of metamorphic rocks

Which type of rock is formed from mud or shells?

[ ]	Organic
[ ]	Igneous
[x]	Sedimentary
[ ]	Metamorphic

Limestone is an example of sedimentary rock

Which type of rock is formed from cooled lava or magma?

[ ]	Organic
[x]	Igneous
[ ]	Sedimentary
[ ]	Metamorphic

Granite is an example of an igneous rock

Which rock can float on water?

[ ]	Sponge
[x]	Pumice
[ ]	Diamond
[ ]	Granite

Pumice can float because its density is so low - less than that of water!

Which of these rocks is white?

[ ]	Basalt
[ ]	Obsidian
[x]	Chalk
[ ]	Slate

The famous White Cliffs of Dover are made of chalk

'Durability' means 'able to withstand wear and tear'. Which of these rocks has the greatest durability?

[ ]	Chalk
[ ]	Sandstone
[ ]	Siltstone
[x]	Granite

Aberdeen in Scotland is known as Granite City because of the abundance of the rock found there. Aberdeen granite was used to build the House of Parliament in London

Fossils can be found in which type of rocks?

[x]	Sedimentary
[ ]	Igneous
[ ]	Metamorphic
[ ]	All of the above

Sedimentary rocks are formed when layers of mud, dust or shells (sediment) are placed under great pressure from the layers of sediment above them. Living organisms which fall into underwater sediment may eventually become fossils

What does 'permeability' mean?

[ ]	How magnetic a material is
[x]	How well a material allows another substance to pass through it
[ ]	How heavy a material is
[ ]	How effective a thermal insulator a material is

A rock's permeability means how well it allows water to pass through it

10.

Why is slate often used to make roof tiles?

[ ]	Because slate is impossible to break
[ ]	Because slate is not too durable
[ ]	Because slate is heavy and permeable
[x]	Because slate is durable and impermeable

Slate weathers very well and doesn't let the rain through - these are perfect qualities for a roof