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Igneous rocks

Igneous rocks

Assessment

Presentation

Science

4th - 5th Grade

Practice Problem

Medium

Created by

Menna-t-Allah ElMeligie

Used 50+ times

FREE Resource

12 Slides • 13 Questions

1

Multiple Choice

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What is this called?

1

Earthquake

2

Tornado

3

Volcano

2

Multiple Choice

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There is something inside the volcano (under the Earth crust), its made of molten rocks and we call it ____

1

Magma

2

Trench

3

Water

3

Multiple Choice

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After Magma finds its way to the outside of a volcano it becomes ____

1

Asphalt

2

Tar

3

Lava

4

Multiple Choice

_______is HOT molten rock found under Earth surface

1

Lava

2

Sedimentary rock

3

Magma

4

Metamorphic rock

5

Multiple Choice

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On a hot day you forgot your chocolate bar in your bag, what would you do to get it back to a solid bar?

1

heat it more

2

cool it down in the fridge

6

Poll

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If magma and lava are molten rocks, imagine what happens as they cool down?

a rock is formed

a rock is formed

a rock is formed

7

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8

Lesson objective

By the end of this class, students will be able to analyze how igneous rocks form.​

9

Igneous rocks form from cooling of

  • Magma - under Earth crust

  • Lava - over Earth's surface

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10

Igneous rocks are formed by cooling of magma or lava

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11

Multiple Choice

Igneous rocks can be found under and above Earth's surface

1

True

2

False

12

Magma cools s.l.o.w.l.y

  • ALOT of beautiful crystals form

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13

Magma cools s.l.o.w.l.y

  • The longer it takes magma to cool, the larger the crystals can get.

  • Example: Granite, Pegmatite, Gabbro

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14

Multiple Choice

You can find ALOT of crystals in igneous rocks that cool quickly

1

True

2

False

15

What happens if

  • Magma cools slowly?

  • Magma cools quickly?

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16

Magma cools quickly

Little or no crystals will form

Some AIR may fill the spaces

Example: Pumice ----->

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17

Magma cools quickly

Little or no crystals form

Can cool by the help of ocean water

Example: Basalt ---->

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18

Multiple Choice

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You can see large crystals in this igneous rock. This means that magma cooled down _____

1

slowly

2

quickly

19

Multiple Choice

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the longer the cooling of magma takes, the _______

1

smaller or no crystals will form

2

larger the crystals formed

20

​Let's sum up

21

Multiple Choice

_____ rocks are formed by the cooling of magma or lava

1

Sedimentary

2

Igneous

3

Metamorphic

22

Multiple Choice

the longer it takes for magma to cool down, the ______ the crystals formed

1

smaller

2

larger

23

Multiple Choice

Igneous rocks are only formed under Earth's crust

1

True

2

False

24

​Homework

Booklet pg.68​

25

Thank you

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Question image

What is this called?

1

Earthquake

2

Tornado

3

Volcano

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