A controlled experiment is when all conditions are kept the same except the one you are testing. Review the following four vocabulary word:
a. Independent Variable
b. Dependent Variable
c. Constants
d. Control Group

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

What will a hypothesis become if supported by repeated expermentation

Which of the following molecules will diffuse most quickly across a lipid bilayer membrane? a. h2o b. o2 c. h2po4 d. glucose e. na+