Tectonic activity

At the centre of the Earth is a place of extreme temperature and pressure. What is it called?

• Core

• Mantle

• Crust

Most of the Earth's interior is so hot that rocks melt and move slowly in giant currents. What is it called?

• Core

• Mantle

• Crust

The outside of the Earth is broken into large slabs called plates. The movement of these plates builds mountains and valleys. What is it called?

• Core

• Mantle

• Crust

What is the molten rock in the interior of the Earth (under the tectonic plates called?

• Magnum

• Spagnum

• Magma

• Lava

Is there a pattern to the locations of earthquakes and volcanoes around the globe?

• No, earthquakes and volcanoes are random.

• Yes, earthquakes and volcanoes usually occur near the boundaries of tectonic plates.

• yes, earthquakes and volcanoes usually occur in the middle of tectonic plates.

• No, earthquakes and volcanoes usually occur under water.

A force caused the continents to drift apart over time. Once scientists figured out what that force was, the theory of plate tectonics was born! The image above shows what Geologists think the Earth looked like millions of years ago. What name was given to this land mass.

• Plate Tectonics

• Oceana

• Pangea

• North America

Tectonic plates float on top of the ________

• Crust

• Mantle

• Inner Core

• Outer Core

All of Earth's layers are the same temperature and made of the same materials.

• True
• False

When you watch a volcano erupt molten rock, you are seeing _____

• Lava
• Magma
• Mineral Crystals
• Igneous Rocks

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage