Cambridge - Grade 5 - Science Unit 3 - Rocks

Label the layers of the Earth.

b

c

d

a

Inner core

Mantle

Outer core

Crust

Which layers of the Earth are solid?

Which layers of the Earth are liquid?

Which layer of the Earth is made of molten rock (magma)?

• crust

• mantle

• inner core

• outer core

What metals make up the Earth's core?

• iron

• nickel

• copper

• silver

Which type of rock is made from magma that has cooled down?

• igneous

• metamorphic

• sedimentary

Which type of rock is made from layers of sand, soil and small particles of rock?

• igneous

• metamorphic

• sedimentary

Which type of rock is made from other rocks that have been heated by the magma in the mantle and subjected to pressure from layers of rock above them?

• igneous

• metamorphic

• sedimentary

Sort the descriptions into whether they are about extrusive or intrusive igneous rock:

Groups:

(a) Extrusive igneous rock

,

(b) Intrusive igneous rock

• Small crystals

• Large crystals

• Cool slowly

• Basalt is an example of this

• Form inside, below surface of earth

• Granite is an example of this.

• Form outside on surface of earth

• Cool quickly