Rocks Grade 3/4

Which rock can float on water?

• Sponge

• Pumice

• Diamond

• Granite

Which type of rock is formed from mud or shells?

• Organic

• Igneous

• Sedimentary

• Metamorphic

You can test soil type by rolling a small amount of soil between your fingers. How would you know if you had a clay soil?

• The soil would stick together, but only if you squeezed it with force.

• The soil would crumble easily.

• The soil would stick together easily.

• None of the above

Rock are broken up into three major groups:

• magma, metamorphic and minerals

• igneous, metamorphic and sedimentary

• sedimentary, sand and igneous

• sand, mud and silt

Rocks that came out of volcanoes form the greater part of the Earth's crust. These rocks are:

• igneous rocks

• basalt

• metamorphic rocks

• granite

Chalk and limestone are made up of the remains of animals. They are:

• both very hard

• pebbles

• sedimentary rocks

• conglomerates

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

• Chalk

• Sandstone

• Siltstone

• Granite

Which of the following is not a type of rock?

• Organic

• Igneous

• Sedimentary

• Metamorphic

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

• Organic

• Igneous

• Sedimentary

• Metamorphic

Which of the following rocks is permeable?

• Slate

• Marble

• Chalk