Young scholars will use their prior knowledge about changes of matter including physical and chemical changes to examine and categorize various types of plastics (polymers). They will identify how their chemical properties allow them to...

This site helps students construct a model of the arrangement of water molecules when present as solid, liquid or gas. Includes background information, lesson plans, links to standards and assessment ideas.

Students investigate whether or not chewing gum should be considered eating using the law of conservation of mass to reason that the portion lost of the original mass of gum must be swallowed.

Examine the link between molecular motion and energy. Observe the movement of a molecule at room temperature. Learn about the different types of molecular motion.

Students will use their prior knowledge about changes of matter including physical and chemical changes from the Houghton Mifflin science curriculum. Students will create a hypothesis to test the physical properties of materials such as...

After observing a demonstration of a chemical reaction between a burning candle and the oxygen in the air, students use atom model cut-outs to model the reaction and see that all the atoms in the reactants show up in the products.

Students will practice the technique of chromatography by separating a mixture of FD&C dyes. Questions related to the experiment along with the answers are available for use by the teacher.