What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Create a bee garden to help shelter bees in your area.

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

Find out whether people within a family tend to have matching fingerprints.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Celebrate April showers with a springtime arts and crafts activity: make sparkly, shiny raindrops with your kid.