The 100th day of school is an important benchmark for kids in the lower elementary grades. Help your kid create a 100 days of school shirt to celebrate!

Kids in preschool, kindergarten, and elementary school will love turning flower pots into homemade musical instruments in this fun and simple activity.

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

What IS That Thing? is a game for kids of all ages that uses scrap paper and junk from around the house! A great way to recycle, reduce, and reuse.

This fun shape game is like Twister...with a twist!

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

In this project children practice the scientific method while playing with puffy paint.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this preschool counting game, kids learn to count with their fingers, but without their eyes!

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Here's an easy activity for your preschooler or kindergartener: use waffles and fresh fruit to give your child hands-on practice with patterning and numbers.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Introduce your child to the symbols of fall with this easy-to-make matching game that will hone observational skills and increase your kid's attention span.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this arts and crafts activity, boost your kindergartener's letter recognition and reading skills by helping her create a paper word quilt.

This life-sized self-portrait activity encourages children to explore what makes them special, and then portray it with arts and crafts!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Everyone's heard of taking a dog for a walk. But how about an illustration? This activity teaches emerging readers to use pictures as context clues.

Using a toy race car kids create a visual model of the Doppler Effect.