T9L3* FLASHCARD

Front

What is an ore?

Back

A special rock with useful stuff inside

Front

How do people get ores?

Back

By digging or mining

Front

What is a crystal?

Back

A solid with a shape that repeats

Front

When do crystals usually form?

Back

When a liquid cools and hardens

Front

Why do some places have more minerals than others?

Back

The Earth makes them in certain spots

Front

What is one mineral we use to make wires?

Back

Copper

Front

Which of these is a reason minerals are important?

Back

We use them in buildings, tools, and electronics

Front

What do miners do?

Back

Dig up rocks and minerals

Front

What must happen to some rocks after they are mined?

Back

They are eaten

Front

What makes a mineral special?

Back

It's rare and we can use it