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

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

Test whether cutting up meats will make it cook faster than just cooking it whole.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

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

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

This project tests the hypothesis that dark colors absorb more heat than light colors.

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

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

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

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This experiment investigates if stress alters body temperature.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

In this science fair project, students examine how temperature affects sugar transport within a plant.

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.

Learn about emulsification and bile's roles in digestion, and investigate how the digestive enzyme lipase breaks down lipids.