Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

This science fair project examines whether ocean water can be made safe to drink.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science fair project idea produces sounds by creating vibrations using different objects.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.