In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

Help your child celebrate the summer and the sun by making a sandy seascape.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Here's a simple science activity that will help your child better understand how wells bring us water.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.