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Can sound move objects?
2
Transcript
The rice race
Can sound move objects?
Preparation
Purpose
In my experiment I plan to study about the sound because I want to see if the sound wave can cause a movement of the object.
Research
Through my research, I already know that the sound can cause a movement of objects.
Hypothesis
I predict that sound can move some objects because I read my research.
Finally
Analysis
- The grain moves while there are some sounds produced in the cup;
- Some sounds doesn't seem to have effect;
- Blow through the tube doesn't move the grain.
Conclusion
Luana Miranda Peixoto
The hypothesis was right, because I found some sounds that moved a small object.
Materials
- 2 liter PET bottle
- soft drink straw
- conduit tube
- a base (some plywood)
- a grain of rice
Procedure
- Place one grain of rice in the topmost side;
- Speak, sing and/or yell in the cup, and see how the rice behaves;
- Try to keep the same sound longer when the grain moves.
Building
- Cut the bottle so that we can make a ramp with the label;
- Screw the bottle to the base
- Cover the hole with the label;
- Divide a straw in the middle and tape one of the half to the label;
- Cut a hole into the bottom of the cup and insert one end of the tube. Attach the other end to the bottle lid.
Experiment
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