Invite your fifth grader to design a fleet of miniature paddle boats to race in the family bathtub.

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.”

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Here's a simple, fun activity which will save you time and reinforce your child's math skills along the way.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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

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

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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Create a string of paper jack-o'-lanterns with this simple Halloween paper craft!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

A package of memory wire and some beads are all that your artist needs to make a bracelet. The challenge will be to come up with a design inspired by autumn.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Explore what freedom and liberty mean to you this Fourth of July with a beautiful portrait collage!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

This science fair project idea produces varying pitches of sound.

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

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.