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Practice conversions within the metric system in this fun math card game for third graders.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

This science fair project idea measures physical dexterity as a function of temperature.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

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

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.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This activity is based on the popular card game, Slapjack. It's rip-roaring fun, and it reinforces the concepts of odd and even.

First graders will love practicing addition with this fun math game.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

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.

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

Turn learning fractions into a pizza party in this fun second grade math game.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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

Determine which metal has the highest rate of conductivity.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.