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

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.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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

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

This biodiversity project examines the biodiversity in your own backyard.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this project children practice the scientific method while playing with puffy paint.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

This project compares the strength of one, two, and three-ply toilet paper.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

This science fair project idea determines what household items are good conductors of electricity.