Showing Results for recognizing angle measure as additive

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.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

What happens when colored beams of light mix? You might be surprised.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Making your own glass cleaner is easy, effective and inexpensive!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Try this chemistry experiment with your curious kid and get some "shocking" results!

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.