Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Here's a hands-on activity you can do with your fourth-grader to practice measurement and directly apply the concept of area.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

For kids who prefer to do homework flopped on a rug, this practical caddy can make all the difference!

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Give your child a glimpse of how another set of students approach reading by teaching him how the blind use braille.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

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

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

This school year, have your child decorate his very own clip board and watch him do his homework in style!

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

Does your child know how to read a map? Teach this important skill with an activity that makes map reading and map creating practical and fun!

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

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

Does your child love sushi? How about creating something a little different with these avocado sushi bites that have a little cucumber too!

Want to do something a little different for Dad this year? Have your child design his very own Father's Day "Greatest Hits CD" card.

Teach your child how to accessorize the environmental way!

Learn about dehydration with a wonderful craft project that you can do together, and enjoy this unique doll for years to come!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Looking for something to do with all those plastic 2-liter bottles that seem to accumulate endlessly? Turn them into a unique mini birdbath.