Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

Is it a square or a circle? See if you can trick your friends with this zany science project!

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

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.

This science fair project idea explores whether white light can be separated into different colors.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

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

Explore the wattage of microwaves in relevance to cooking time.