Science Quizzes Challenge

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition
• crystal structure
• naturally occuring
• all of the above

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

How light reflects off of a mineral is called the mineral's 

• luster
• streak
• cleavage
• fracture

What mineral is the softest mineral on Moh's Hardness Scale and the main ingredient in baby powder?

• feldspar
• talc
• gypsum
• kaolinite

How do you test the hardness of a mineral? 

• Throw it against a wall
• Step on it
• Scratch Test
• Kick it until it breaks

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

Rocks are...

• living

• non-living

Formed by weathering & erosion

• magma
• sediments
• sedimentary rock
• intrusive igneous

Formed by heat and pressure

• Sedimentary
• Metamorphic
• Extrusive Igneous
• Intrusive Igneous

Formed by cooling & solidification of magma

• Sedimentary
• Metamorphic
• Extrusive Igneous
• Intrusive Igneous