In this project children practice the scientific method while playing with puffy paint.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This project determines what category of person is most likely to be ticklish.

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

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

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.