8H Rocks And Their Uses

Rocks are made up of different ___________ that fit together

• dirts

• grains

• rocks

• pieces

The smallest unit of rocks are called

• minerals

• tiny rocks

• pieces

• stones

Answer explanation

Rocks are made of grains and grains are made of minerals

Rocks can be described by differences in...

• grain size

• grain shape

• spaces between grains

• grain rocks

"Texture" describes the differences in grain shape and size (and also the spaces between their grains)

• True

• False

The grains in this rock can be described as....

• round

• interlocking

• the same size

• in a repeating pattern

Which rock is shown in this picture?

• quartz

• granite

• sandstone

• diamond

Which answers describe granite?

• does not wear away easily

• Hard

• single mineral

• interlocking grains

Which qualities define rock properties?

• Rocks

• Texture

• Mineral Composition

• pH

Rocks that are strong enough to be used for buildings usually have...

• Gray colour

• Sediments

• Long names

• Interlocking grains

Which statements are true about 'permeable' and 'porous' rocks?

• 'Permeable' means that water can go through the rocks

• 'Permeable' means that there are gaps between the grains

• Rocks can only be permeable if they are porous

• Rocks cannot be permeable and porous, only one