Water Pressure and Depth

Water Pressure and Depth Have you ever watched scuba divers on tv? They face many challenges when they dive. The deeper that a scuba diver descends, the more dangerous the dive becomes. During a dive, divers can experience lots of different problems. Some of these problems can be lightheadedness, joint pain, coordination loss, and even…

Aquatic Respiration Project

Aquatic Respiration Project Have you ever sat down and watched fish in a tank or in a pond? Did you ever watch how the fish breathes? We, often call the flaps on either side of the head, gills, but those aren’t really the gills at all; they’re operculum. The gills are actually underneath those flaps…

The Density Drink Science Project

THE DENSITY DRINK To understand the tricky concept of density, you should drink it. Generally, density is fascinating. It becomes cool when you make it into a tasty, healthy beverage, which you can share with the entire class as you explain. What you need: • Various juices with different levels of density. [In juices, the…

Is Dog Saliva Antiseptic?

Is animal saliva antiseptic? Stories about pioneers, travelers, or hunters who made it through their injuries because certain wild animals happened to lick their open wounds. Many cultures believe this. There is even a French saying, “Langue de chien, langue de médecin,” which translates to “A dog’s tongue is doctor’s tongue.” We’ve all heard that…

Demonstrating Energy with a Rubber Band Car

DEMONSTRATING ENERGY WITH A RUBBER BAND CAR As you know, energy cannot be created, and it cannot be destroyed. It has many forms such as the following: • Mechanical energy—energy required to perform work • Thermal energy—heat energy • Kinetic energy—energy of motion • Potential energy—stored energy Potential and kinetic energy are usually paired during…