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

Get a better understanding of water content by dehydrating carrots.

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.

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

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

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

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

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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

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

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

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

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?