being dropped onto Method controlling the variables To measure and set the height at which the ball is to fall, I used a measuring tape. In this situation, it is favourable to use a measuring tape over a ruler since a ruler has a finite length, which means I have to manipulate the ruler, for example, dig it into the flour, in order to get an accurate length. A tape measure is better in this case as I can set the desired length and put it on the surface of the flour, rather than digging it in…
Words 1916 - Pages 8