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The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

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

Race to create an equation in this game will help your child and his opponents get creative with addition, subtraction and multiplication.

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

Show your fourth grader how to embrace a green lifestyle and enjoy the outdoors with a homemade, recycled picnic basket.

Help your child make their next gifting extra special with a handmade gift box.

Make your own recycling game that helps teach your child what can and should be recycled.

Here's a fun car game for you: Blind Distance. Blind Distance is a great way to bond with your child and teacher her about depth perception at the same time.

Teach your child golf without the clubs! Introduce her to Pebble Golf, a fun beach game and a great way to develop her depth perception.

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

Figuring out fractions can be a challenge! But with this game your child will become more comfortable converting fractions after only a little practice.

Creepy, crawly, spooky and even kind of cute! This spider loves school supplies and will do a great job guarding them.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project idea determines what household items are good conductors of electricity.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Pop up a pup tent, just like Civil War soldiers did on the battlefield.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Brooches never go out of style! Your child can create a flower brooch that will look fantastic pinned to clothing, or even a bag. They also make great gifts.

Give your kid the opportunity to experiment with color combinations, and how the tape is applied as they make special cards for friends and family.

Being a kid is hard work. Soothe stresses and calm fears with this DIY Zen garden -- all you need is sand, stones and a shoebox.

Create your very own creepy, haunted castle sitting in a turbulent field of flowing grass, eerily surrounded by dark, ominous clouds.

This Presidents Day, meet four of our country's most important heroes with this Mount Rushmore writing activity.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Introduce decimals and place value with this fun math card game for fourth grade students.

Young scientists develop a hypothesis, conduct an experiment, and then revise their hypothesis to find out which common household liquids dissolve candy corn.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.