Physical Science Density Challenge 1 L. LaRosa http://www.middleschoolscience.com for T. Trimpe 2008 http://sciencespot.net/

These four cubes are the same shape and size and therefore have the same volume. They each contain different substances and have different masses. Using logic, place the cubes in order from least to most dense. Oil AIR WATER HELIUM

These four cubes are the same shape and size and therefore have the same volume. They each contain different substances and have different masses. Using logic, place the cubes in order from least to most dense. HELIUM AIR Oil WATER Helium balloons float in air, oil floats on top of water, and our atmosphere is above the water on the Earth’s surface. (Assume liquid water for the blue box.) Density tells us how tightly packed the atoms are within a given volume. This slide is modified from http://www.pbs.org/wgbh/nova/balloon/science/density/filling.html