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

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

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

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

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.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project will help students learn about non-vascular plants, such as mosses.