The Earth's Layers
How many layers does the earth have?
3
The Earth is made up of pieces called _____
Techtonic plates
What is formed from an opening in the crust?
A volcano
______ are the basic components of all rocks, sand, and soil on the earth
Minerals
This rock is formed from a volcano.
Igneous
What layer is solid and at the center of the Earth?
The Core
What happens when two tectonic plates collide?
Mountains are formed
What is the semi-liquid rock below Earth's surface?
Magma
Minerals can be different ____, such as green or gold.
colors
This rock has different layers
sedimentary
What layer is the hottest?
The inner core
Did the Himalayas form because two plates were moving towards each other or away from each other?
Towards
A volcano that will never erupt again
Dormant
Some minerals are soft, some are hard. This is called ___
Hardness
Metamorphic
The _____ contains all water on the planet.
Hydrosphere
What is the name of the process of two tectonic plates coming together?
Constructive process
A ____ is a sudden and very violent movement of the ground.
Earthquake
___ explains how Rocks are formed.
The Rock Cycle
Fossils are found in _____.
sedimentary rock
What are the four spheres of the earth?
atmosphere, hydrosphere, geosphere, biosphere
Why don't tectonic plates stay still?
The float on the liquid mantle
How do we measure how destructive and earthquake is?
The richter scale
Minerals have different ____. Some are shiny, some are dull.
Brightness
What characteristics do scientists use to classify rocks ? (5)
structure, brightness, colour, hardness, inorganic