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100
A round three dimensional shape whose surface is the same distance from its center in every direction
What is Sphere
100

The solid parts of Earth, including rocks, soil and the layers inside Earth

What is Geosphere

100

A force that pulls objects with  mass toward each other. 

What is Gravity
100

The amount of mass in a certain volume or amount of space. 

Density

100

Earth's thin, rocky outer layer.

 What is Crust

200

Earth's stiff outer layer , made of the crust and the uppermost mantle. It is broken into plates.

What is Lithosphere

200

A hot, mostly solid part of the upper mantle beneath the lithosphere that can bend and flow slowly.

What is Asthenosphere

200

Earth's central layer, made mostly of iron and nickel. The outer core is liquid; the inner core is solid

What is Core

200
The region around Earth where its magnetic field affects charged particles. 

What is Magnetosphere

200

A natural feature of Earth's surface.

What is Landform

300

A broad area mostly flat or gently rolling land.

What is an Plain

300

A broad area of mostly flat land raised above surrounding land.

What is a Plateau

300

A landform that rises high above the surrounding land, usually with steep slopes.

What is Mountain

300

A naturally occurring, inorganic solid with a specific chemical makeup and an orderly arrangement of atoms.  

What is Mineral
300

A mineral containing silicon and oxygen.

What is Silicate 

400

Melted rock beneath Earth surface. 

What is Magma  

400

Melted rock that has reached Earth's surface

What is Lava

400

A scientist who studies minerals 

What is a Mineralogist

400

The way light reflects from a mineral's surface

What is a Luster

400

The color of a mineral's powder

What is a Streak.
500

A mineral's ability to resist being scratched. 

What is hardness

500

A mineral's tendency to break along smooth,  flat surfaces.

What is Cleavage
500

The way a mineral breaks when it does not break along cleavage surfaces.

What is Fracture
500

Rock or other natural material containing enough valuable minerals to be mined for a profit

What is Ore

500
A mineral or other natural material valued for its beauty, often cut and polished for jewelry.

What is Gemstone