Bath Bomb Unit Test

Name:

Hour:__________

Watch the Demo. What is this video showing. Demo

• Matter can be created after a chemical reaction.
• Matter can be destroyed after a chemical reaction.
• Matter can be destroyed and created.
• The amount of matter stays the same after a chemical reaction.

We learned how to make observations this unit. Write two detailed observations you observed.

Which two ingredients are needed to have a bath bomb fizz.

• salt and sugar
• citric acid and baking soda
• corn starch and olive oil
• baking soda and salt

What is a property of a substance?

• Something that describes the characteristics of a substance?
• Something we can use to identify a substance.
• Something we can use for safety when handling a substance.
• All of above.

You have an unknown liquid you want to identify. What test could you do to help identify it.

• Its mass
• How much space does it take up.
• Its density.
• What does it taste like.

In this demo we are sending electricity through water. Which gas is being collected on the right side?

• Oxygen
• helium
• Hydrogen
• air

If a gas is not flammable and is less dense than air what gas could it be? Use the link to help answer the question. Gas Properties

• hydrogen
• carbon dioxide
• oxygen
• helium

Look at the chemical equation for a bath bomb . Answer the following questions. 1. What are the reactants? 2. What are the products? 3. If there are 39 atoms before the reaction then how many are there after the reaction?