This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

Find out which type of sponge holds the most water.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

This science fair project idea compares biodiversity between drops of water.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

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

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

In this fun experiment, we'll find out how color affects heat absorption!