PHS: Exploring Science 8H Rocks - Rocks and Their Uses

What are fitted together to make up rocks?

• grains

• elements

• atoms

• cells

A mineral is:

• another name for a rock.

• a chemical compound found in rocks.

• a hard piece of material.

• a type of salt.

In science, the texture of a rock is:

• the way it feels

• whether it's hard or crumbly

• its colour

• the size and shape of the grains

Which statement describes this rock?

• rounded grains of three different minerals

• interlocking grains of two different minerals

• interlocking crystal of three different minerals

• rounded grains with gaps between them

How do we describe rocks that can absorb water?

• porous

• spongy

• impervious

• absorbent

Some rocks are permeable because:

• the rock dissolves in water

• water can get into gaps between the grains

• animals have dug burrows in the rock

• the rock is made of interlocking crystals

Which of these is not one of the three main types of rock?

• igneous

• sedimentary

• metamorphic

• magma

Which type of rock is formed when magma or larva cools down?

• igneous

• sedimentary

• metamorphic

Which type of rock is formed by the effects of high pressure or high temperatures?

• igneous

• sedimentary

• metamorphic

Which type of rock is formed by sediments being buried and compacted under the sea.

• igneous

• sedimentary

• metamorphic