Is Bacteria Helpful or Harmful?

If your class is watching the Discovery streaming video Life Science:Bacteria, Understanding: Bacteria, or just studying bacteria, this might be a useful resource for helping students to discover the deeper impact of bacteria on their...

Elementary kids read and color the story of Willy Wetsworth, a drop of water, as he describes the journey that he and his friends take to provide fresh water to houses. He tells his story to Martha Merriweather, a little girl, and...

Young scientists enter the world of microscopic organisms with this introductory presentation on bacteria. Starting with a basic definition of these single-celled organisms, the presentation continues on to explore different types of...

For as small as they are, there sure is a lot of information for young scientists to learn about bacteria. Help simplify the subject with this instructional presentation that explores the structure, nutrition, and reproduction of...

Smooth or scaly, skin is sensational! Besides keeping us from being gooey, what does it do? Pupils embark on an integumentary investigation with a short video about skin. Topics include the special features of skin cells, how skin...

There are ten times more bacteria cells than human cells in the average person, and while many of them are helpful, there are some that can be deadly. This video explores the on-going battle between people and these microscopic...

It may be startling to know that the same bacteria responsible for the Bubonic Plague in the mid-fourteenth century still exists today. But don't worry, this video examines the causes and effects of the Black Death, and why the disease...

Onions, garlic, and coffee can all have unfortunate effects on your breath, but what is the real cause of halitosis? Follow along with this video as it investigates how the bacteria that live in our mouths are responsible for these...

Humans are like planets, hosting a plethora of microbial communities. This concept is explored with vivid narration and animation, bringing to light the benefits of the huge variety of microbes that live in and on our bodies. What a fun...

Yuck, does my deodorant kill that? To test whether deodorant is anti-bacterial, class members use petri dishes to grow control bacteria and bacteria from sweat, and then compare them to see if deodorant effects the growth.