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Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This activity is a fun challenge for students who have just started learning to program educational robots.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

The goal of this project is to create an exciting topographical map out of dough.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea investigates whether plants can survive being frozen.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Cleaning can be a chore, but not with this sudsy experiment!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This science fair project idea explores substances that cause a bubble to last longer.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

In this project students experiment with making music using only glasses of water.

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

Make sourdough bread...and learn some colonial history and modern science in the process!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea explores whether talking to a plant will help it grow.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.