Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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

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!

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.

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.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This experiment investigates if stress alters body temperature.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

Use this great no-bake recipe to save energy and keep cool.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).