EXPERIMENTS

We did NOT use this for the rocket launch

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What were the two substances that reacted inside the bottle?

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This gas is produced when baking soda and vinegar are combined.

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How did you know the gas was forming inside the bottle?

• the bottle was hot

• bubbles were forming

• it smelled so bad

• it made a very loud noise

In real life there are some reasons that cause rocket launches to fail. In our school rocket experiment we had 3 failed attempts.
What do you think were the causes?

Groups:

(a) POSSIBLE CAUSE

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(b) IT WAS NOT A CAUSE

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Why did the launch trajectory of Midori's rocket go up?

• because she cheated

• because of the way the rocket was set/positioned

• because she put a lot of baking soda and vinegar

• because of the bottle size she used

Why the trajectory of some of the launched rockets took an arc shape?

• because they did not follow instructions

• The rockets were tilted at the time of launch.

• because they put little of baking soda and vinegar

• because they used a lot of toilet paper

The experiment we did in schools are very similar to real rockets that are launched into space, we are going to identify some parts

d

e

f

g

c

Fins

Astronaut

Nose Cone

Water - Oil

Exhaust Port

Fuel - Vinegar

Oxidiser -
Baking Soda

Isaac Newton's ​ (a)   law . When talking about the rocket, gas, smoke and flames that are produced by rocket engines represent ​ (b)   and the rocket moving upwards is a ​ (c)   .

• third
• action
• reaction
• second
• first
• gravity
• thrust

The ​ (a)   that was forming inside the bottle was a ​ (b)   that was under ​ (c)   .

• carbon dioxide
• gas
• pressure
• Oxygen
• Hydrogen
• liquid
• solid
• bottle