Rocks and Minerals Review

Which mineral is ranked highest on the Mohs scale?

• Talc

• Calcite

• Quartz

• Diamond

What do all rocks have in common?

• same size
• same color
• contain minerals
• same shape

Minerals have different properties to help scientists identify them.  Which is NOT a property used to identify minerals?

• color
• hardness
• size
• luster

The property of luster means..

• the hardness of a mineral
• the color of the mineral
• the streak the mineral leaves
• how the mineral reflects light

What mineral is the softest?

• quartz (7)
• mica (2)
• feldspar (6)
• talc (1)

What is the purpose of the scratch test?

• to find if the rock contained calcite

• to find the hardness of the mineral

• to find the color

Using the Mohs Hardness Scale name two minerals harder than Fluorite.

• Talc and Calcite

• Gypsum and Quartz

• Quartz and Feldspar

• Diamond and Talc

Use Moh's hardness scale to answer the question. A penny has a hardness of 3.5. Which mineral has a hardness most similar to a penny?

• Fluorite

• Talc

• Diamond

• Quartz

Kyle looked at two different rocks and made the table above. Which of the following questions can he answer about rocks?

• Which rock is dark and dull?

• Which rock is shiny and dull?

• Which rock is dull and heavy?

• Which rock is heavy and dark?

Tags

NGSS.5-PS1-3

Kendra created a table to classify rocks. Which question should Kendra ask to complete the table?

• What is the color and luster of Rock Z?

• What is the streak and weight of Rock Z?

• Is Rock Z shiner than any of the other rocks?

• Is Rock Z darker than any of the other rocks?