Rocks Part 3 Quiz

Rocks Part 3 Quiz explores the fascinating world of talc rock and its unique properties. In ancient Egypt, talc was used to make decorative carvings and powders because of its softness and smooth texture. Being the softest mineral on the Mohs scale, talc can be scratched easily with a fingernail, making it very different from harder minerals like quartz or diamond. Talc belongs to the silicate mineral group, which means it contains silicon and oxygen in its structure. Learning about talc rock reveals how even the softest minerals have played an important role in human history and industry. This quiz turns these geological facts into fun and accessible learning for anyone curious about Earth’s materials.

Rocks Part 3

Which of the following is the softest mineral?

Quartz

Diamond

Talc

Feldspar

Which rock can be both intrusive and extrusive?

Igneous

Limestone

Granite

Basalt

What is the Mohs hardness of talc?

Talc belongs to which type of mineral group?

Carbonates

Silicates

Oxides

Sulfates

What kind of rock is sandstone?

Igneous

Metamorphic

Volcanic

Sedimentary

What is the main agent of erosion that shapes rocks over time?

Wind and water

Fire

Electricity

Light

What is pumice often used for?

Building roads

Jewelry making

Polishing and scrubbing

Painting

Which rock forms when volcanic ash hardens?

Shale

Tuff

Slate

Marble

What is the continuous process that changes rocks called?

Rock formation

Rock cycle

Rock rotation

Stone age

Which of these is an example of an intrusive igneous rock?

Basalt

Obsidian

Granite

Pumice

Your score is

The average score is 97%

Sample Questions from This Quiz

Which is the softest mineral?
Which rock can be both intrusive and extrusive?
What is the Mohs hardness of talc?
Talc belongs to which type of mineral group?
What kind of rock is sandstone?

Try the full quiz and see how many of these you can answer!

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