Changing rocks

A cracked piece of the upper crust of that floats on the mantle is known as

• Volcano

• Magma

• Tectonic plate

• Igneous rock

When tectonic plates meet suddenly this can lead to a/an

• Earthquake

• Volcanic eruption

• Weathering

• Loud bang

Volcanoes are formed when ————— from within the earth’s mantle works its way to the surface

• Magma

• Sedimentary rock

• Lava

• Techtonic plates

The early atmosphere was made up of mostly

• Methane

• Ammonia

• Carbon dioxide

• Water vapour

• All of these

Over millions of years, plants evolved and the meant carbon dioxide was taken out of the air and replaced with

• Methane

• Ammonia

• Oxygen

• Water vapour

Which type of rock is crumbly, wavy and layered in appearance?

• Sedimentary

• Igneous

• Metamorphic

Basalt and granite are examples of which type of rock?

• Sedimentary

• Igneous

• Metamorphic

Which type of rock is formed when lava or magma cools over a long period of time?

• Sedimentary

• Igneous

• Metamorphic

Which type of rock contains tiny crystals and wavy or zig zag layers?

• Sedimentary

• Igneous

• Metamorphic

Limestone, chalk and sandstone are examples of which type of rock?

• Sedimentary

• Igneous

• Metamorphic