Hunter, Rebecca

Looks at the Earth's supply of fresh water, discussing increasing demands for fresh water, decreasing supplies of fresh water, and ways to provide clean water to places that need it.

Defines matter and includes instructions for simple experiments that explain the properties of its three principal forms.

Explains the scientific concepts of forces and motion, explaining what they are, and discussing topics such as gravity, magnetism, and friction.

Examines the habitats of a number of species of plants and animals and includes information on how they survive and adapt to their surroundings, food chains and webs, endangered animals, and conservation.

A simple explanation of energy and its many forms and sources.