Science ! 10 points

has anyone ever done this

scientific method discovering density

step by step

look at both pictures

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

How would you reduce the volume of gas

The fact that the total amount of energy in a system remains constant is a(n)