Vocabulary
Structure of the Earth
Planets
The Moon
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100
There are ______________ main layers of the Earth.
What is four
100

What is known as "Earth's Satellite?"

The Moon

100

The moon is fully illuminated in the night sky.

What is full moon?

100
The two types of convergent boundaries
What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)
200
A number of rigid, but moving, pieces of Earth's surface
What is tectonic plates.
200
The thickest layer of the Earth
What is the mantle.
200

How many planets are there?

8

200

The cause of tides on Earth?

What is gravity of the moon

200

The point on Earth's surface directly above an earthquakes starting point.

Epicenter

300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300

Plates float on top of the _______________________.

What is the mantle

300

The 4 planets closer to the sun are referred to as the....

Inner Planets

300

The earth is between the moon and the sun.

What is a full moon?

300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400
Earthquakes and Volcanoes are usually located in relation to these
What is a plate boundary
400
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
400

Which planet takes longer to circle the sun? Mercury or Mars

Mercury

400

The moon appears to be growing larger

What is waxing.

400
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary
500
Although the hottest layer of the Earth, this layer is solid metal
What is the inner core
500
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
What is thinnest under the ocean and thickest under the continents.
500

What are the planets in order?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

500

A drawing of the phases of the moon.

500

Why does rock in the mantle melt?

What is tectonic plates moving under each other (subduction zone), the rock melts and becomes magma.
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