Big Idea 8 and 9

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into different substances, resulting in a change in chemical properties.

Front

What happens during a chemical change?

Back

A chemical change always results in a different kind of matter.

Front

What is a magnet?

Back

A magnet is an object that can attract certain materials, such as iron, nickel, and cobalt.

Front

How do magnets work?

Back

Magnets can pull objects without touching them.

Front

What is the melting point?

Back

The melting point is the temperature at which a substance changes from a solid to a liquid.

Front

What is the freezing point?

Back

The freezing point is the temperature at which a liquid turns into a solid.

Front

What is the boiling point?

Back

The boiling point is the temperature at which a liquid turns into vapor.

Front

What is a graduated cylinder used for?

Back

A graduated cylinder is used to measure the volume of liquids more precisely in milliliters.

Front

What are magnetic materials?

Back

Magnetic materials are substances that can be attracted by a magnet, such as iron, nickel, and cobalt.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.