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A student wanted to know which brand of mouthwash killed the most germs. Which part of the experiment should be kept constant?
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
A student asked How does the expectation of being tickled affect someone? What statement is the best hypothesis for this experiment?
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
Which example is an hypothesis written in the correct format
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
A student tested the Jumbo white marshmallows and the Gooey-tooey marchmallows to see which type melted the fastest. What is the dependent variable?
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
In an experiment Jackson tested to see how the size of rocks affect the amount of dirt that washes away when water flow downhill. Which variable is manipulated?
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
If I use foam padding in a box, then (it will absorb the sound waves) What is the part of the hypothesis in parenthesis?
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
A student asked, Do objects float better in fresh water or salt water? What is the best hypothesis that matches this experiment.
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
A student conducted an experiment which tested the effect a ramps surface would have on the distance a toy car travels. She covered one ramp in sandpaper, one with oil, one with cloth, and one was left uncovered. What is the independent variable?
Size of Rocks
If objects are put into salt water, then they will float better than in fresh water.
the dependent variable
The covering of the ramp
If a person expects to be tickled, then he will laugh even when he is not actually tickled
amount of mouthwash
If a needle floats on water, then it will work like a compass
Melting of marshmallow
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