Rocks and Minerals

What is the only type of rock that can float on water?

• slate

• pumice

What is the softest mineral?

• talc

• diamond

If you break a geode, what is inside?

• a toy

• crystals

What are three examples of sedimentary rocks?

• coal, sandstone, shale

• coal, sandstone, granite

Tags

NGSS.MS-ESS2-3

How many types of minerals are there?

• 300

• 3,000

What is the hardest natural substance on earth?

• coal

• diamond

Where and when was the largest gold nugget found?

• California, 1869

• Australia, 1869

What are three examples of igneous rocks?

• quartz, granite, basalt

• quartz, sandstone, limestone

What is a soft, white form of limestone that you use on the sidewalk?

• marker

• chalk

What happens when two or more minerals combine together?

• a rock is made

• a new mineral is made