Describes experiments that can be performed with soil in order to learn about its properties, including its composition, whether it can act as a natural filter, and if different substances can make it more fertile.

Describes experiments that can be performed using solar energy in order to learn about its properties, including how different colors absorb sunlight, if it cleans dirty water, and whether it can cook food.

Describes experiments that can be performed with seeds in order to learn about their properties such as how water temperature affects seeds, the direction roots grow, and the effect of talk on plant growth.

Provides step-by-step instructions for performing experiments with insects, investigating various prinicples about their behavior.

Describes the physical properties of solids and explains how matter can change to and from a solid into a liquid or gas.

Explains the use of soil, the scientific method, and includes experiments to test your knowledge.

Uses the scientific method to help you understnad more about soil. Includes hands-on experiments.