In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project investigates why the number of visible stars changes from place to place.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea examines which type of insulation holds in the most heat.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

In this design challenge, your child will make a bottle rocket using typical household items.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.