3rd - 8th Grade Physical Science Resources : Page 9

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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!

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

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.