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.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Don't throw out all those old artworks! Your child can transform them into a fun and exciting paper circle garland she can use for decorating her room.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Your fourth grader will hone his fine motor skills and learn to follow directions as he creates this recycled angel tree topper out of an ordinary soda bottle!

Celebrate Kwanzaa with your fourth grader, or introduce them to a new cultural practice, by showing them how to weave a Kwanzaa mat out of an ordinary paper bag!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Being sick stinks! Help make being achy a little easier by helping your child craft a comforting hot water bottle doll out of fabric, googly eyes, and ribbon.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Kids get to play mad scientist in this wacky drawing game that's a great way to help kids to mellow out after the high-energy antics of recess.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Who wants to take a boring paper bag to school -- just to throw away as soon as the bell rings -- when you can create a reusable lunch bag out of fleece?

Introduce your fourth grader to the deliciousness that can come out of the kitchen by helping him make these sugary traditional Mexican cookies, or biscochitos.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Bend, twist, squish and press a paper bag into a tree! Once it's finished, your child's Halloween tree will look like it came right out of a scary fairy tale.

Are you looking to entertain your child and a large group of their friends? Try out Chain Tag. The more players you have, the more fun the game becomes!

Are you tired of the same old Easter egg dying routine? Does your kid love to try new art techniques? If so, try making Easter eggs out of embroidery floss!

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.