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.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!