A magic ping-pong ball, invisible soda and floating eggs? Explore the concept of molecular density, and an object's ability to [...]

Build, read, write (in standard and expanded form), and represent three-digit numbers using base-10 blocks and symbols. Describe the value of a digit based on its place in the number.

Mister C and the Science Crew create a magnet-powered race car. Harness the power of magnets to explore magnetic fields, attraction and repulsion.