Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

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.

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 project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

This science fair project teaches students about wilting and browning of salad greens.

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

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, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

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

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 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.

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

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

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

This science fair project idea investigates whether air has mass and weight.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Learn how different types of soil affect how animal tracks form in this experiment!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.