Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Make a spring collage with your child to get them outside and those creative juices flowing!

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Science fair project that determines whether mass and weight are the same or different.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

This experiment tests which gender is better at catching how a magician performs his tricks.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.