What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

This science fair project idea determines if the color of light affects the growth of plants.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Help your child add some flair to the family garden with pencil pinwheels!

This science fair project idea explores how length affects the weight a bridge can hold.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Learn with makes water molecules work with this fun and easy science activity!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!