This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

This project determines how much the rebound rates of tennis balls change after ten games.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of 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!

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Make these homemade shell fossils and introduce your child to the wonders of science!

The goal of this project is to create an exciting topographical map out of dough.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.

Science fair project that determines whether moths are attracted to one color of light more than others.

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

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

Determine how good we are at direct and indirect observation.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.