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

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Determine which metal has the highest rate of conductivity.

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.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

This science fair project idea determines which flower lasts the longest.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

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.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Help your child practice her counting as she makes this fun and festive holiday decoration!