This sign of a chemical change requires a thermometer.

The space between gas particles is what gives them matter.

What you are testing for using a battery, clips, and wire.

The weight of 20 g of water and 20 g of sand being mixed.

You would do this if your clay recipe was too sticky.

This sign of a chemical change might be visible with iodine in corn starch.

All solids are magnetic

What you are testing using a scale.

If 30 g of water is mixed with 25 g of baking soda, and none of the gas is created, this is the weight after combining.

You would do this if your clay recipe was too dry.

This chemical change has the ability to make a room brighter.

Fair tests are those where only one thing at a time is changed.

What you are testing using a thermometer.

The result of mixing baking soda and vinegar.

If I wanted steel to turn to brown I would allow this chemical reaction to occur.

This chemical change looks like tiny bubbles rising in a liquid.

The part of matter that gives it mass are tiny particles that are also called atoms.

What you are testing using a bag that you quickly seal after mixing two substances.

The name for two liquids that have been mixed

These are the three properties of matter we wanted our backpacks to have.

This chemical change results in a match turning black.

In a science experiment, a variable is a factor that represents something that can be controlled or changed.

What you are testing using a graduated cylinder.

When flour, corn starch, cream of tartar, baking soda, and vegetable oil are combined in the correct ratios the resulting clay should be this state of matter

What property of concrete makes it less suitable for making a backpack.