Kate gathered three boxes of the same size made of different materials glass clear plastic and aluminum painted black. she placed them on a window still in the sun for an hour and then measure the warmth of the air in each box. in this experiment the types of boxes materials are a(n)
a- independent variable
b- dependent variable
c- constant
d-control

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

The offspring of a black cat and a white cat is a gray cat, it has the genotype bw if a black cat mates with a gray cat the chance that the offspring is white will be what percent?

How many chromosomes are in a human gamete?