The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

This experiment investigates if stress alters body temperature.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

Science fair project that cultivates slime mold and monitors the stages of its development.

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

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

How powerful is the reaction between baking soda and vinegar? Find out here!

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

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

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

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

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how: