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In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Show your teen how to make her own beeswax lip balm. It's one of the simplest do-it-yourself activities, and it's fun to make!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Determine whether the application of Febreeze will lower the bacterial count.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

This experiment will explore whether adding different substances to a gel affects its strength.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Make this easy composting dessert and then enjoy the yummy results!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

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

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

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

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Explore whether pianists have the tendency to type faster than non-pianists.

This science fair project idea explores the fastest average speed a human can talk.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.