Create a self-portrait from natural materials in this collage craft activity!

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Help your child make a beautiful homemade sandcastle that will last!

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Make edible amber fossils with your second grader to explore the fascinating world of science!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this activity your child will create their very own marble maze!

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.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.