This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

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

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

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

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

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

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.

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

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

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

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Learn all about balance and motion as your child designs a corn maze!

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

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

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws