Kindergarten Science Fair Project Ideas

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.

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!

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

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

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

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 leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

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

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

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

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

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

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

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

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

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

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

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

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.

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

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