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

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

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Examine the effect of pressure on carbonation in soda.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

In this science project, the center of gravity is explored.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

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.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this design challenge, your child will make a bottle rocket using typical household items.

Have your child kick off their summer vacation by making a miniature water slide!

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

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

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science fair project idea examines the reason boats are shaped and engineered.