_______________ describes how minerals reflect light.

A ______________ is any nonliving solid that has a crystal form.

Minerals that do not break along smooth lines have ________.

__________ is a mineral’s ability to scratch another mineral.

When some minerals break, the broken sides are smooth and straight are known as what?

Sometimes the _____________ of a mineral does not always match the streak of the mineral.

The color or powder left behind on a tile after the mineral has been scratched against is called what?

What tool is used to test the streak of a mineral?

Which rock type forms when heat and pressure change the chemical composition of a rock?

Which type of rock forms when magma or lava harden?

Which rock type forms from sediment that gets cemented together under pressure?

The preserved remains or traces of a living thing is called what?

A _____ is a natural solid that is made up of one or more minerals.

What is an energy-rich resource formed from the buried remains of once living organisms?

Which mineral is harder: quartz or topaz?

Which mineral is softer: feldspar or calcite?

Which mineral has a hardness of 5?

Which mineral has a hardness of 9?

Would fluorite get scratched by your finger nail?