Presentation Transcript
Scientific Method Packet :Scientific Method Packet Answers
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Which brand of popcorn pops the most kernals
Which brand of lightbulbs lasts the longest
Does warm or cold water freeze faster?
Pg. 3 :Pg. 3 1.
IV: amount of sunlight
DV height of plant
CV: type of plant, amount of soil, amount of water
2.
IV: brand of soda
DV: amount of sugar
CV: amount of soda tested
3.
IV height ball is dropped
DV: height of bounce
CV: type of ball
Pg. 3 cont. :Pg. 3 cont. 4.
IV: battery brand
DV: time battery lasts
CV: size of battery, appliance it’s used in, amount of time used
5.
IV: depth of water
DV: water temperature
CV: measuring device
Pg. 6 :Pg. 6 1.
IV: type of music
DV: time it takes to quiet baby
HYPOTH: IF three types of music are tested, THEN jazz will quiet a baby faster
2.
IV: color of recycling bins
DV: # cans recycled
CV: IF 2 colors of bins are tested, THEN red bins will result in more cans recycled
Pg. 6 cont. :Pg. 6 cont. 3.
IV: temperature of water
DV: time it takes food coloring to spread
HYPOTH: IF various temperatures of water are tested, THEN food coloring will spread faster through warm water
4.
IV: hours of daylight
DV: # of eggs
HYPOTH: IF there are more hours of daylight, THEN the # of eggs a chicken will lay will increase
Pg. 6 cont. :Pg. 6 cont. 5.
IV: type of material
DV: amount of weight
HYPOTH: IF the 2 materials are tested, THEN a rubber band will hold more weight
6.
IV: brand of gum
DV: amount of sugar
HYPOTH: IF 3 brands of gum are tested, THEN brand A will contain the most sugar