Volcanoes Check for Understanding

How do volcanoes erupt?

• magma rises through the cracks and lava flows create new crust

• lava rises through the cracks and magma flows destroy crust

• heat and cold air mixing

• none of the above

Tags

NGSS.MS-ESS2-1

During a volcanic eruption magma becomes....

• cold

• lava

• temperature

• pressure

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

What is the difference between magma and lava?

• magma and lava are the same thing!

• magma is beneath the Earth's surface; lava is above the Earth's surface

• lava becomes magma

• lava is extremely hot and red; magma is extremely cold and blue

Two things can affect how viscous (or thick) lava can be.

This is _______ and ________.

• hot and cold

• temperature and dissolved gas

• pressure and water

• rocks and leaves

Where can the YOUNGEST rocks on Earth be found?

• kettle hole

• normal fault

• active volcano

• glaciers

There are _______ different types of volcanoes.

• 1

• 2

• 3

• 4

Which of the following is NOT one of the types of volcanoes?

• composite (stratovolcano)

• cinder cone

• shield

• super volcano

Which volcano is the LARGEST in size, has a GENTLE SLOPE, and has the CALMEST eruptions?

• composite (stratovolcano)

• cinder cone

• shield

Which volcano is LARGE, has VIOLENT eruptions, and is made of LAYERS OF ASH, LAVA, AND ROCK?

• composite (stratovolcano)

• cinder cone

• shield

Which volcano is the SMALLEST, is very COMMON, and erupts EXPLOSIVE BLOBS OF LAVA or CINDERS?

• composite (stratovolcano)

• cinder cone

• shield