How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

This science fair project idea investigates how color affects temperature.

Children will deepen their understanding of global citizenship and create a collage that illustrates all of the ways many communities are connected.

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Your fourth grader will love practicing his math facts with this fun computation game.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

Shrimp are dredged in sweet rice flour and shredded coconut and baked till they're crisp and golden.

This science fair project idea explores the egg's thin membrane.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

Does your young writer need more details to beef up her writing? Why not make it fun by mixing in some creative artwork, and take her writing to the next level.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

The goal of this project is to create an exciting topographical map out of dough.