This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Make sourdough bread...and learn some colonial history and modern science in the process!

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.