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

Your preschooler wonât need a passport to go on this nature safari! All you need are paper, crayons and a nature trail or your back yard.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Find out which kind of bubble wrap fares best when put in impact.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Here's a pressed leaf card project that puts science and writing together for your second grader.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

This science fair project idea provides evidence that air is everywhere and takes up space.