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.

Describes how magnets act on objects and other magnets. Explains how Earth is a magnet. Identifies historical discoveries about magnetism. Explores the relationship between electricity and magnetism.

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.

Introduces Sir Isaac Newton and his laws of motion, with examples of how Newton's laws explain the movements of everyday objects. Describes some of Newton's scientific discoveries and accomplishments, and explores how Newton's laws of motion affected the development of flight.