A students wants to test if different wheels affect how far the cart will travel, what is one of the standards?
starting position of the cart, releasing not pushing the cart, or measure the carts using the same standard unit (cm or m)
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25
A student wants to test if different wheels affect how far a cart will travel, describe what the student should do after they have selected their carts.
- Use a standard release height -Release cars without an extra push -Measure all cars the same way (ex: from front of car) -Use meter tapes to find the distance
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5
a unit that never changes
standard unit
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boom
Lose 50 points!
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shark
Other team loses 15 points!
Okay!
shark
Other team loses 25 points!
Okay!
lifesaver
Give 5 points!
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trap
No points!
Oops!
gift
Win 15 points!
Okay!
fairy
Take points!
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25
banana
Go to last place!
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15
A student wants to test if different wheels affect how far a car will travel, he is going to roll his cart twice. What variable should change?
First run the wheels should be the same size, second run wheels should change size.
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5
a rule for testing
criterion
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thief
Give points!
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shark
Other team loses 20 points!
Okay!
fairy
Take points!
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lifesaver
Give 25 points!
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10
What cause and effect relationship can be described from the data?
The higher the ramp is, the further the cart will go