Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea determines what household items are good conductors of electricity.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This experiment explores how listening in to a one-sided conversation affects concentration.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project that determines whether moths are attracted to one color of light more than others.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Transform your uncomfortable wooden shoes into charming mini planters!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.