constitution

""An introduction to human beings, including human anatomy, human diseases and conditions, and human genetics. Features include drawings, diagrams, photographs, and activities""--.

Introduces matter, explaining what it is, the states of matter, scientific discoveries on matter and antimatter, and more.

Describes the properties of the different forms of matter and explains how each form of matter can be changed into the others.

Simple text and illustrations explore what matter is and the different forms it can have.

Examines fire as a force in the physical universe, explaining its benefits and how it can be used or abused by humankind.

Contains examples and experiments that provide information about matter and help readers better understand the concepts related to it.

Provides a scientific investigation of temperature, explaining how it is measured, its effects on weather, and its impact on states of matter. Includes related experiments.

Introduces atoms and molecules, talks about the elements, bonding and reacting, and matter and materials.

Introduces the basic forms of matter: solid, liquid and gas and how matter can change from one form to another. The terms melting point, freezing point and boiling point are clearly explained. Includes a hands-on activity that demonstrates how different liquids evaporate at different rates.