Dynamic Earth

​The land on the surface of the Earth is part of its ________.

• Inner core

• Outer core

• Mantle

• Crust

Tags

NGSS.MS-ESS2-1

The Earth’s surface is made up of about 30 plates, which move very slowly on a layer of ______.

• Solid rock

• Partially molten rock

• Totally molten rock

• Hot water

Tags

NGSS.MS-ESS2-3

Identify how the lava coming out of an erupting volcano different from the magma deep below the Earth’s surface.

Seismology is the study of:

• Tremors and earthquakes

• Weathering and erosion

• Fossils

• Volcanoes

Tags

NGSS.MS-ESS3-2

​​The huge waves that can be created by earthquakes under the ocean floor are called _______.

• Freak waves

• Tidal waves

• Tsunamis

• Meltdowns

Tags

NGSS.MS-ESS3-2

​​Volcanoes that have not erupted for thousands of years and are unlikely to erupt again are said to be ________.

• Active

• Dormant

• Extinct

Identify the blanket of gases that surrounds the Earth to a height of about 150 kilometres.

If you look at a map showing the continents of the Earth, what observation can you make that supports the idea that the continents have moved over a very long period of time?

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

The moving plates on the Earth’s surface are called tectonic plates. They consist of two types of crust. One of those types is oceanic crust. Identify the other type.

Describe and explain the motion of magma in the mantle that keeps the plates that make up the Earth’s crust moving slowly.

Tags

NGSS.MS-ESS2-3