This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Illustrate the importance of bicycle safety in this simple 5th grade science experiment. All you need to start are an egg, a Styrofoam ball, and rubber bands.

Let your fifth grader craft a gleaming green shamrock pin for himself or a friend this St. Patrick's Day!

This easy strawberry banana smoothie is a healthy treat for kids. Make an easy strawberry banana smoothie for your child for a heart-healthy Valentine's Day.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Dive into U.S. colonial history by making a simple bottle gourd water cooler, crafted by colonists of Roanoke Island in the 16th century.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Find out whether putting something on top of a plant will inhibit its growth.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Create a tornado vortex in your kitchen in this 5th grade science experiment. All you need are two plastic bottles, duct tape, and a metal washer to begin.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Let your child find her place among the politicians, the flyers, the debates and the countless television ads with a slogan and poster of her very own.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

For some good "green" fun, pull out your blender. A spinach smoothie?! You better believe it! And kids will not only slurp it up, they"ll beg for seconds.

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

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project allows students to study the psychology of happiness.