What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project idea investigates if fats add to the flavor of food.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This science fair project teaches students the differences between fruits and vegetables.

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.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

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.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

This science fair project will help students learn about non-vascular plants, such as mosses.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics 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.

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

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Plants and light seem to be good buddies, but how far does the friendship really go?

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.