Physics/Motion/
Forces
Forces
Does the mass of a ball affect how fast it rolls down a ramp?
Independent variable IV is (mass of the ball)
Dependent variable DV is (how fast it rolls)
Does the temperature of water affect how fast sugar dissolves?
Independent variable IV is (temperature of water)
Dependent variable DV is (how fast sugar dissolves)
Does the amount of light affect how tall bean plants grow?
Independent variable IV is (amount of light)
Dependent variable DV is (how tall bean plants grow)
Which of these materials (sand, gravel, and soil) filter dirty water more effectively?
Independent variable IV is (type of material)
Dependent variable DV is (quality of filtration)
Does the brand of popcorn affect how many kernels pop?
Independent variable IV (brand of popcorn)
Dependent variable DV is (how many kernels pop)
Does the balloon size affect how far a balloon rocket travels on a string?
Independent variable IV is (balloon size)
Dependent variable DV is (how far it travels)
Investigate whether different liquids (vinegar, soap water, saltwater) freeze faster.
Independent variable IV is (different liquids)
Dependent variable DV is (how fast they freeze)
Does the type of fertilizer change the growth rate of radish plants?
Independent variable IV is (type of fertilizer)
Dependent variable DV is (growth rate)
Test whether the color of a surface affects how fast it heats up in sunlight.
Independent variable IV is (color of surface)
Dependent variable DV is (how fast it heats up)
Does the type of cereal affect how quickly it gets soggy in milk?
Independent variable IV is (type of cereal)
Dependent variable DV is (how quickly it gets soggy)
Does the strength of a magnet affect how many paperclips it can pick up?
Independent variable IV is (strength of a magnet)
Dependent variable DV is (how many paperclips it can pick up)
Independent variable IV is (type of soda)
Dependent variable DV is (amount of gas produced)
Independent variable IV is (light color)
Dependent variable DV is (plant growth)
Independent variable IV is (wind speed)
Dependent variable DV is (how fast windmill spins)
Test whether different bubble solution recipes make longer-lasting bubbles.
Independent variable IV is (bubble solution)
Dependent variable DV is (how long bubble last)
Does the shape of a boat made from aluminum foil affect how much weight it can hold before sinking?
Independent variable IV is (shape of the boat)
Dependent variable DV is (how much weight it can hold)
Test whether different metals (iron, copper, aluminum) conduct heat at different rates.
Independent variable IV is (different metals)
Dependent variable DV is (rate heat is conducted)
Does the amount of water given to a plant affect the number of leaves it grows?
Independent variable IV is (amount of water)
Dependent variable DV is (number of leaves)
Does the type of insulation affect how much heat escapes a house?
Independent variable IV is (type of insulation)
Dependent variable DV is (how much heat escapes)
Independent variable IV is (how many times you crumple of the paper)
Dependent variable DV is (how quickly it falls)
Does the thickness of a rubber band affect the distance a launched paper clip flies?
Independent variable IV is (the thickness of the rubber band)
Dependent variable DV is (how far the paper clip flies)
Determine if the type of material (plastic, metal, glass) affects how fast it heats under a lamp.
Independent variable IV is (type of material)
Dependent variable DV is (how fast it heats up)
Investigate whether sugar concentration affects yeast balloon inflation.
Independent variable IV is (sugar concentration)
Dependent variable DV is (balloon inflation)
Does soil moisture change the temperature of soil exposed to sunlight?
Independent variable IV is (soil moisture)
Dependent variable DV is (temperature of soil)
Determine whether different chocolate types melt faster under a lamp.
Independent variable IV is (type of chocolate)
Dependent variable DV is (how fast it melts)