Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Test whether spot magnets can help improve the symptoms of an injury.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

This science fair project idea determines the probability of a coin landing heads or tails.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.