Mini Bottle Rocket Activity.

List 3 things that you need to build a mini bottle rocket?

Answer explanation

1. 1. Small 500ml bottle - empty

2. Cork

3. Half a piece of kitchen roll

4. 1 teaspoon of bicarbonate of soda

5. Vinegar or lemon juice

6. 3 Straws

7. Tape

What are the Safety measures you need to follow?

Answer explanation

Warning - Make sure you have a clear empty space and keep observers well back from the launch site as the rocket shoots up very quickly

What is the last instruction?

• Pour about 3cm of vinegar into the bottle.

• Make sure you have clear empty space.

• When you are ready to launch, drop the bicarbonate of soda parcel into the bottle, quickly add the cork, put the rocket down and stand back.

• Vinegar or lemon juice

Why do you think you have to follow certain steps when you do something?

Answer explanation

So you don't missed any step or to make sure you get the expected results.

1.    What do you think happens when you combine bicarbonate of soda and vinegar?

• Causes a chemical reaction that produces a salt (sodium acetate) and water, as well as carbon dioxide gas

• Nothing happens

• Causes a reaction of fire