Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Take a dive into the candy jar with this yummy science experiment.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Find out which kind of bubble wrap fares best when put in impact.

Here's a science activity to help your child investigate how seeds are designed to travel.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Discover whether a metal will expand under hot water.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Find out whether matching resonant frequencies can cause objects to shatter.

Explore the belief in astrology as a predictive system.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Find out whether putting something on top of a plant will inhibit its growth.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Do different types of oil mix or stack? Find out in this science fair project idea!

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.