Open the lab interactive and run a few trials changing the variables each time. Decide which variable you want to change in order to make a strong electromagnet, and record it here. This will be your independent variable.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

a skateboard rolling across the street - apex

the components of a vector are the parts of the vectors that are to each other.

b perpendicular