Showing Results for lines line segments and rays

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!

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

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Give your budding young observers a chance to discover simple machines at use in their own home.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

An home science experiment for older students that teaches about the science behind heat.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.