Earth's Changing Surface

Earth's surface does not change over time.

• True

• False

Earth's surface is broken up into pieces called "plates".

• True

• False

Which of the following causes Earth's tectonic plates to move?

• Energy from the Sun
• Magnetic Pole Reversal
• Convection currents in the mantle
• Faults in Mountain Ranges

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Wegener’s theory of Pangaea was supported by:

• Puzzle-like fit of the continents

• Fossils of organisms that matched up across continents

• Rock structures that matched up across continents

• All of the above

Which of the following best contrasts weathering and erosion?

• weathering breaks down Earth's surface and erosion carries it away

• erosion breaks down Earth's surface and weathering carries it away

• weathering heats up Earth's surface and erosion cools it down

• erosion heats up Earth's surface and weathering cools it down

Name the layer of Earth which is shown in orange.

• crust
• inner core
• mantle
• outer core

At a mid-ocean ridge, lava oozes upward and builds up seafloor between 2 tectonic plates. This means the seafloor closest to the mid-ocean ridge is

• Oldest

• Youngest

Volcanoes create new land on the Earth’s surface when –

• lava flows then cools and hardens to form rock.

• an eruption destroys the side of a mountain.

• magma forms giant underground chambers.

• saltwater touches lava and changes into steam.

Tags

NGSS.MS-ESS2-2

Which of the following best describes how earthquakes change the Earth’s surface? Earthquakes –

• throw rocks and ash into the air.

• force lava through holes in the ground.

• violently shift the surface of the earth.

• cause clouds to form and rain to fall.

Tags

NGSS.MS-ESS2-2

Rocks, loose soil and sand rapidly sliding down a slope are a change to the surface of the earth known as a -

• landslide

• volcano

• earthquake

• tsunami

Tags

NGSS.MS-ESS2-2