Title: Chemical changes
First published: 2004
Description: 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.
Subjects: Chemical reactions, Chemistry, Juvenile literature, Chemistry, juvenile literature
LC classification: QD501 .J723 2004