This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

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

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

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

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

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

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

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

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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

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.

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