Download - Sandblaster Experiment
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SANDBLASTER EXPERIMENT
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Safety
- Do not throw the sand - Do not swing the timers around (if strings are
present) - Remember to close the lids on the
sandblasters - Be careful to not inhale the sand
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Directions
Assigned Tasks- Materials Manager is in charge of pouring the
sand through-out the experiment. The next three team members will each have
their own straw.-Your task will be blowing the sand.
The fifth member will be the time keeper (stopwatch). If you d o no t have a fifth member, the Materials Manager will be the time keeper.
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1. Pour four scoops of sand in the middle of the sandblaster Your bifold has these instructions listed.
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2. Record your “before”(Part A) picture then close the lid
Straw
Part A (Before):
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4. For 30 seconds, blo w g e ntly towards the sand. 3. The first person to the right of the Materials
Manager will insert their straw into the hole of the sandblaster. ( Time Keeper! Remember to keep track of time.)
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5. After 30 seconds, remove the lid and record your observations in Part B.
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6. Once you’re done recording, pour the sand back into the cup. Try to not spill!
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7. Pour four new scoops of sand into the middle. Close lid.
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8. Blow harder (but not too hard!) for 30 seconds. This time, the next team member will use their
new straw to blow harder.
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9. After 30 seconds, remove the lid and record your observations in Part C. Part C ( After 30 seconds, blowing harder )
Straw
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Step 10
Without taking the sand out from Part C, dump ALL of the sand from the cup into the middle.
Close lid. Use a new straw ( next team member ). This time, blow as hard as you can!! For 30
seconds. Record in Part D.