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

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

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.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project idea identifies trees using a dichotomous key.

Learn all about balance and motion as your child designs a corn maze!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this design challenge, your child will create a parachute for a small toy using typical household items.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.