Introduces matter, including states of matter, how matter is measured, and how atoms are arranged.

Read about the types of matter that can be seen and felt.

6 copies of each of 10 titles (60 books total) and Teacher's Guide & Assessments

Describes the relationship between energy and work, and the difference between energy of motion and stored energy. Identifies situations in which energy is transferred. Describes different forms of energy. Explains how heat is turned into motion.

The student will learn to identify chemical changes and the signs that they have occurred. Introduces how to distinguish between physical and chemical changes, and the concept that chemical reactions involve changes in energy. Identifies factors that affect reaction rate. Explains the role of enzymes in chemical reactions. Describes the importance of chemical reactions in daily life.

The student will investigate acids and bases in the world about them. Explains how substances are placed in categories according to their characteristics. Identifies properties of acids and bases, and describes their harmful effects. Describes methods of identifying acids and bases, and identifies common ones.