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.

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

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

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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

In this science fair project, young children notice and track changes in trees throughout the year.

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

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 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.

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

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!

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.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

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

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

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

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.

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

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.

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.