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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.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

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.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

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!

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

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Discover whether a metal will expand under hot water.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.