Biology learners should understand a few chemistry basics. Here is a activity that introduces them to the concepts of chemical reactions, molecular bonding, and the unique combination of properties that make water vital to life. Consider...

In this National Chemistry Olympiad test, junior chemists answer eight problem solving questions on a variety of topics. These include calculating molarity of solutions, determining rates of reactions, calculating decay and discussing...

In this covalent bonding instructional activity, students answer questions about types of bonds, electronegativity, valence electrons, and Lewis dot structures. They answer specific questions about covalent bonds in molecules and explain...

In this ionic and covalent compound instructional activity, high schoolers investigate the properties of three unknown substances in order to determine if they are ionic or covalent compounds. They write conclusions about their results.

Don't overreact! A simple experiment demonstrates chemical reactions as scholars mix chemical solutions and metals in a large well plate. They note all changes to the metals, solutions, precipitate, colors, and more. A full data table...

Did you know baking powder can be used to treat acne, whiten teeth, and make sugar cookies? The instructional activity on the development of baking powder is ready-to-go with no preparation required. Through readings, pupils answer...

In this chemistry worksheet, students fill in the chart for question one. The chart is filled out examining the mass, protons, electrons, and neutrons for specific atoms.