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Chemical Reactions and Equations Lesson and Lab

After students have grasped the concept of atomic structure and how it controls the process of bonding, the way those compounds and molecules interact is an exciting topic! Check out our lab and lesson materials for this topic.

Matter makes up everything visible in the known universe, from port-o-potties to supernovas. And because matter is never created or destroyed, it cycles through our world. Atoms that were in a dinosaur millions of years ago—and in a star billions of years before that—may be inside you today.

Matter is anything that has mass and takes up space. It includes molecules, atoms, fundamental particles, and any substance that these particles make up. Matter can change form through physical and chemical changes, but through any of these changes matter is conserved. The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the law of conservation of mass.

In the video above, Tamir teaches about chemical reactions and equations and demos a lab on the law of conservation of mass. Below you'll find links to a lesson powerpoint as well as a handout for the lab.

Download Materials

Lab Handout
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