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Volcanoes

Authored by Darlene Orapa

Science

9th Grade

NGSS covered

Used 1K+ times

Volcanoes
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is molten rock that has formed deep within the Earth?

Hot Spot
Magma
Lava
Volcano

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Volcanoes that have recently erupted are known as:

Extinct Volcano
Dormant Volcano
Active Volcano
What's a volcano?

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

__________ volcanoes are usually steep sided. They are formed from layers of ash and lava.

Shield
Cone
Dormant
Extinct

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This plate is involved in all of the Ring of Fire Volcanoes.

The Nazca Plate
The North American Plate
The Pacific Plate
The Indian Plate

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Earth's crust is broken into pieces called

glass

rocks

plates

lava

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is molten rock that has reached the Earth's surface?

Aa
Lava
Magma
Pahoehoe

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factor(s) determine(s) whether an eruption will be explosive?

The amount of gases in the magma
The amount of silica in the magma
The amount of gas and silica in the magma
None of these affect the explosiveness of the volcano

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