7th Grade Science Final Exam Review

What happens at a divergent boundary?

• plates collide

• plates slide past each other

• plates melt

• plates move away from each other

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NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The most common type of volcano and the most well-known are:

• composite/strato volcanoes

• shield volcanoes

• cinder cone volcanoes

These are areas where magma melts through crust - Hawaii sits over one.

• divergent boundary

• convergent boundary

• mid-ocean ridge

• hot spot

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NGSS.HS-ESS2-3

Crust is destroyed where 2 plates collide and one sinks under another at_____

• divergent boundaries

• convergent boundaries

• mid-ocean ridges

• hot spots

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NGSS.MS-ESS2-3

Volcanoes here have nothing to do with plates interacting and are found in the middle of oceans or even continents.

• divergent boundaries

• convergent boundaries

• mid-ocean ridges

• hot spots

When a volcano is going to erupt, magma comes to Earth's surface because it is _____ than surrounding rock.

• more dense

• less dense

• cooler

• harder

The force of an eruption depends on_____.

• amount of gas in magma

• the temperature of the magma

• amount of silica in magma

• all of these

Viscosity is a measure of how ____ something is.

• hot or cold

• quiet or explosive

• thick or thin

• none of these

Some explosive eruptions are called _______, where ash, cinders and bombs are erupted along with gases from a volcano.

• magmatic

• pyroclastic flows

• lava explosions

• none of these

What happens when 2 blocks of Earth suddenly move past each other?

• an earthquake

• a volcano

• a tsunami

• a hurricane

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2