Scientific Method Question Preview (ID: 36869)
Questions Relating To The Scientific Method Covered Under The Virginia Science SOL.
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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?
a) Amount of water
b) Type of Dirt
c) Size of Rocks
d) Slope of the hill
Sandy is conducting an investigation to find out which food his dog likes best. Which is the manipulated variable in his investigation
a) The time of day he feeds his dog
b) The amount of food he gives his dog
c) the color of his dogs food dish
d) the kind of food he gives his dog
A student asked, Do objects float better in fresh water or salt water? What is the best hypothesis that matches this experiment.
a) If objects are placed into fresh water, they will sink quickly
b) If objects are dropped into salt water, then they will make bubbles
c) If objects are put into salt water, then they will float better than in fresh water.
d)
A student wanted to know which brand of mouthwash killed the most germs. Which part of the experiment should be kept constant?
a) The color of the mouthwash
b) the cost of the mouthwash
c) brand of mouthwash
d) amount of mouthwash
A student asked How does the expectation of being tickled affect someone? What statement is the best hypothesis for this experiment?
a) If a person expects to be tickled, then he will laugh even when he is not actually tickled
b) If a person tickles himself, then he is expected to laugh half of the time
c) If a person tickles another person then both people are expected to fall on the floor
d)
A student tested the Jumbo white marshmallows and the Gooey-tooey marchmallows to see which type melted the fastest. What is the dependent variable?
a) Color of marshmallow
b) taste of marchmallow
c) Melting of marshmallow
d)
Three football players investigate to see who can throw a football the farthest. They mark off an area on the field for their investigation. What should they keep constant?
a) The height of the players
b) Spot from whcih the player throw
c) Color of the football thrown
d) order in which the players throw
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?
a) The covering of the ramp
b) the distance the car travels
c) the angle of the ramp
d)
Which example is an hypothesis written in the correct format
a) I predict the light travels in a straight line
b) How do pulleys make work easier
c) If a needle floats on water, then it will work like a compass
d) The ice will melt the fastest on the cotton ball.
If I use foam padding in a box, then (it will absorb the sound waves) What is the part of the hypothesis in parenthesis?
a) The independent variable
b) the dependent variable
c) constant
d) control
If I plant a bush in a shaded area and a well lit area, then the bush in the well lit area will have more growth. What would be considered the constant?
a) same bush
b) same area (inside, outside, under a lamp....etc.)
c) the same soil
d) The same bush and the same soil
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