New Review What’s the Matter?
This space is reserved for matter. After finding the density of a foam ball, young scientists predict the density of a larger ball. When they encounter a discrepant event, they must theorize an explanation. These concepts are linked to...
7th - 12th Science CCSS: Adaptable
What Determines and Limits an Atom's Mass?
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
7th - 12th Science
The Law of Conservation of Mass
This short video simply explains the Conservation of Mass with graphics that show the atoms being conserved in pictures of balanced equations. The connection between mass and energy is explained and Einstein's energy equation is mentioned.
5 mins 7th - 12th Science CCSS: Adaptable