This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

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

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

This simple activity is not only fun, it's also a useful way to organize children's closets — and offer kids some autonomy to boot.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

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

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

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.