Worksheet titled "Balancing Act" explaining the principle that in a chemical reaction, matter cannot be created or destroyed, requiring the same number of each type of atom on both sides of a chemical equation. It includes a diagram with black circles representing atoms and questions about the number of atoms in various molecules.

Diagram illustrating the concept of balancing chemical equations, showing two boxes with black circles representing atoms. The left box has two groups of three circles, and the right box has a larger group of sixteen circles arranged in a pattern. The image is part of a worksheet titled "Balancing Act" with questions about atoms in molecules like water, hydrogen peroxide, and aluminum sulfate.