Volcanoes

Describe lava from cone volcanoes.

• The lava is thin.

• The lava is thick.

• The lava is light.

• The lava is cool.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Describe lava from shield volcanoes.

• The lava is thin.

• The lava is thick.

• The lava is light.

• The lava is cool.

Why are some volcanoes cone-shaped?

• The light lava isn't heavy enough to flow down.

• The thin lava is runny and flows down.

• The thick lava builds up, taller and taller.

• The cool lava hardens too fast.

Why are some volcanoes shield-shaped?

• The light lava isn't heavy enough to flow down.

• The thin lava is runny and flows down.

• The thick lava builds up, taller and taller.

• The cool lava hardens too fast.

What kind of lava rock does a cone volcano make?

• felsite

• basalt

What kind of lava rock does a shield volcano make?

• felsite

• basalt

What kind of volcanoes does Hawai'i have?

• cone

• shield

What kind of lava rock does Hawai'i's volcanoes make?

• felsite

• basalt

Felsite lava hardens into...

• white rocks.

• black rocks.

• sparkly rocks.

• soft rocks.

Basalt lava hardens into...

• white rocks.

• black rocks.

• sparkly rocks.

• soft rocks.