How Does Preserving Wilderness Enhance Forestry

Science rocks! Explore three types of rocks and the rock cycle with an igneous rocks experiment. Pupils discuss textures, composition, and learn how melts are formed from the Earth's crust. They weigh materials using a scientific scale...

A concise overview of the DNA replication process is pitched in this presentation. Direct and viewer friendly, most slides contain a new bit of information along with a diagram to increase understanding. Your biology class will explore...

Every object we see must pass through a lens, but how does each individual's lens differ? Learners explore the science behind refraction and lenses, uncovering the details that allow them to perform daily activities.

Microwave, steam, bake, or just eat them raw—what is the best way to preserve the nutrients in the vegetables we eat? The episode of the ACS Reactions series considers different cooking methods and their effects on the vitamins and...

How many scientists does it take to make electronic skin? No, it's not a riddle! See a breakthrough in nanotechnology, courtesy of a video from the American Chemical Society's Reactions series. You'll hear the project leader, plus...

Studying spiral galaxies can make your head spin! With this video, find out how astronomers calculate a galaxy's rotational speed, and how the prediction that the outermost stars slow down does not seem to be true. The mystery may be...

In March 2009, NASA launched the Kepler Space Telescope to look for exoplanets. Almost immediately, it identified planets and has continued to work for many years. An informative video introduces this telescope, how it works, and shares...

We all know that the brain is responsible for our thoughts, actions, memories, and emotions, but it's far busier than we can possibly imagine. Watch this short video as it explores how life as we know it is made possible...

Teach the class how to use a microscope to identify bacteria in food. Scholars explore the different parts of the microscope and learn how to determine total magnification. They walk step-by-step through the procedure of preparing slides...

How does water activity play a role in food spoilage? First, the learners think about which types of foods would be best to take on a backpacking trip based on the water activity of different foods. It then walks through why water...