Science4 unit 27 to 29

How many types of rocks are there?

• 2

• 3

• 4

• 5

Types of rocks are:______.

• Metaphysical, Igneous, Sedimentary

• Metamorphic, Igneous, Sediment

• Metamorphic, Igneous Sedimentary

• Metamorphic,

  Igne

  Sedimentary

An example of igneous rock is

How can igneous rock form?

• Lava cools down

• Magma cools down

• All of above

• None of above

Examples of metamorphic rocks

• Gneiss

• Slate

• Coal

• Quartzite

What are tectonic plates ?

• Tectonics plates are crust

• Tectonics plates are massive piece of rocks

• Tectonics plates are massive piece of rocks that floats on hot magma and make the top layer crust

What is whethering?

• Wearing away of the surface of rocks

• Weathering help rocks moves away

• Weathering helps rocks stop moving away

What is mechanical weathering?

• When rainwater seeps into a rocks and freezes, it expands and contracts causing the rock to break apart

• Mechanical weathering decays rocks. In this time it is being acid to rock

What is chemical weathering?

• When the rainwater seeps into a rocks and freezes, it expands and contracts causing the rock to break apart

• Chemical weathering the decays rocks. This time it is being acid to rock

What is nsw stands for?