Igneous Rocks Lesson objectives

Know that igneous rocks are formed from molten rock (magma).

Level 4Know that igneous rocks are made of crystals of different sizes level

5

Key Words Volcano- magma

Crystals

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Describe the appearance of the rock shown below

Starter

Igneous Rocks

• . Cut these statements up and stick them in the right order in your book

• Lava is the name for magma which comes to the surface

• Volcanoes erupt and magma comes to the Earth’s surface

• Lava cools quickly, making igneous rocks with small crystals

• Inside the Earth is magma. This is molten rock• The magma which cools slowly makes• igneous rocks with large crystals

Igneous Rocks•

• Inside the Earth is magma. This is molten rock.• Volcanoes erupt and magma comes to the

Earth’s surface• Lava is the name for magma which comes to the

surface.• Lava cools quickly, making igneous rocks with

small crystals• • The magma which cools slowly makes • igneous rocks with large crystals. •

Igneous rocks • Lesson objectives

• Know that igneous rocks are formed from molten rock (magma). Level 4• Know that igneous rocks are made of crystals of different sizes level 5

Igneous Rocks Magma Volcano crystals

Write a short paragraph on how igneous rocks are formed. Include all the key words below

Igneous Rocks

- A Japanese volcano erupted in 1936. Molten sulphur poured out of the volcano. When it cooled it formed rock sulphur. Which word describes molten rock that is underground? Choose from lava or magma or oil

Level 3

Igneous Rock

• .Iceland has many volcanoes. Some are extinct and some are active. Iceland’s volcanoes are responsible for the different types of rock found there.

• Answer the questions to show how volcanic activity can affect rock formations.

• Granite is an igneous rock with large crystals . It is made from magma.

• a What state is granite? • bWhat state is magma? • c Describe how granite forms. • d Granite never contains any fossils. Why?

• Levels 4-5 •

•

Igneous Rocks

• How How well have you done ?

• I can describe igneous rocks being formed from molten rock (magma). Level 4

• I can explain that igneous rocks are made of crystals of different sizes

• level 5

Igneous Rock

• Which parts of the volcano are semi-liquid?•

• Which parts of the volcano are solid?•

• What is a sill?•

• What is magma?•

• How can a volcano on land change the landscape?•

• How can a volcano under the sea change the landscape?•