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Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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!

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!