WALT write a procedural text in the form of experiment.
This activity is trying to see how increasing pressure affect gases.
Hypothesis:
When I pour hot water at the end of the bottle it will create bubbles and steam.
Materials
- bottle
- boul
- straw
- measuring cup
- blue tack
- hot water
Methods
1.First you put the straw in the bottle.
2.Then you surround the bottle mouth with blue tac.
3.Then tip hot water at the bottom of the bottle and steam will appear inside the bottle.
Conclusion
The bubbles came out because the hot water increased pressure by warming the air inside the bottle.
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