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

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Learn all about balance and motion as your child designs a corn maze!

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

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.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

I scream, you scream, we all scream for homemade spearmint ice cream!

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!