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

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project idea determines effective strategies to help students stay awake and attentive.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This experiment investigates if stress alters body temperature.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This little chick is so cute that your child will want to make a whole flock to call her own.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Can cells be frozen? This science fair project provides information to answer this question.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.