Biology, 08.05.2021 21:40, djgunderson
For his science fair experiment, Cole decided to determine how different types of surface material,
affect how fast a matchbox car will go. He chose to use a tile floor, concrete patio and carpet. He
used the same car for each of the 20 trials. He measured the distances the car went after riding
down a 1-meter ramp.
What is Cole's test (independent) variable?
What is Cole's outcome (dependent) variable?
What must be kept constant (the same) for every trial?
What do you predict will happen and explain why.
Answers: 2
Biology, 22.06.2019 03:40, NANA2007
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.
Answers: 2
Biology, 22.06.2019 04:30, seannalove6168
Long term exposure to waves can cause sunburns and skin cancer.
Answers: 1
For his science fair experiment, Cole decided to determine how different types of surface material,...
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