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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Examine the effect of pressure on carbonation in soda.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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 about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

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

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

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.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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

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!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

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

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.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

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

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.