21. A spring scale is used to pull each of the four objects. Based on the information provided, which object experiences the greatest acceleration
when pulled with 8 N of force? *

What type of specimens where you able to see under each of the microscopes in the microscope activity

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

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?