This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Practice conversions within the metric system in this fun math card game for third graders.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Teach your young academic about counting and clocks with a tasty treat!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Get your child excited about measuring with this fun and easy household measurements activity.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Introduce your child to science with something they see everyday--their shadow!

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

Use familiar household items and decorations to turn estimation into a fun game!

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?