This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Practice measurement using centimeters in this fun math race designed for your second grade student!

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Using a fruit cereal and yarn, help your preschooler create crunchy, edible patterns.

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

Science fair project that creates fog using bottles of hot and cold water.

Here's a simple math activity that has your child using her basic addition facts to solve a secret code.

Strengthen your child's number recognition skills with this fun game using an old, empty egg carton!

This science fair project idea determines which flower lasts the longest.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

Create addition problems using critical thinking skills in this fun second grade math card game.

In this simple math activity, your young learner will compare two types of Valentine's Day candy using a Venn diagram.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.