Bozeman Science
Positive and Negative Feedback Loops
Paul Andersen explains how feedback loops allow living organisms to maintain homeostasis. He uses thermoregulation in mammals to explain how a negative feedback loop functions. He uses fruit ripening to explain how a positive feedback...
SciShow
Studying Polar Bears from a Monster Truck | SciShow Talk Show
BJ Kirschhoffer from Polar Bears International discusses polar bear behavior and Jessi from Animal Wonders brings on an animal that lives near polar bears, an arctic fox!
Mazz Media
Negative Feedback Loop
In this live-action program viewers will learn that a negative feedback loop is a self-regulating system. Input to the system causes a variable to increase. The resulting output then reduces the input. Students will come to understand...
Tarver Academy
How to do the Distance Formula
In This Episode, Tyler Teaches Us About How to do the Distance Formula
Bozeman Science
Thinking in Stability - Level 5 - Feedback
In this video Paul Andersen shows conceptual thinking in a mini-lesson on feedback. Two examples are included in the video and two additional examples are included in the linked thinking slides. TERMS Controller - component of feedback...
Bozeman Science
Concept 7 - Stability and Change
Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate...
Bozeman Science
Thermoregulation
Paul Andersen explains how organisms are able to regulate their internal body temperature (or not). He starts with a brief description conduction, convection, radiation and metabolism. He contrasts ectotherms and endotherms. He also...
Professor Dave Explains
Practice Problem: Comparing Gravitational Forces
Gravity is mysterious, isn't it? If all matter exerts gravity, why don't we all just drift towards each other all the time? Well, as you know, it depends on the masses of the two objects and the distance between them. Your friend says...
Curated Video
GCSE Biology - Control of Blood Glucose Concentration #56
Learn how the body controls it's blood glucose concentration using the hormones insulin and glucagon. We'll also see how these two hormones interact in a negative feedback loop.
Curated Video
Hormones: Adrenaline and Thyroxine
This video discusses two hormones produced by the body: adrenaline and thyroxine. The video provides an explanation of what hormones are, how they work, and the effects of adrenaline and thyroxine on the body. It also includes...
Curated Video
Masters of Feedback: Kim Cameron - Positive Feedback
Kim Cameron is the founder of Positive Organizational Scholarship. This is the application of the ideas of Positive Psychology, Organizational Design, Citizenship, and much else, at the organizational level. At the heart of his thinking...
Bozeman Science
AP Biology Practice 7 - Connecting Knowledge
In this video Paul Andersen explains the final AP Biology practice on connecting knowledge. The video begins with an introduction to interdisciplinary studies and how science is changing over time. He describes differences of scale in...
Curated Video
Understanding Measures of Center and Variance in Real World Data
Understand the difference between the measure of center and the measure of variance. Learn how these measures can be used in everyday life through a real-world example of basketball scores and review how different measures of tendency...
Rock 'N Learn
Human Body - Science for Kids
Human Body for Kids engages young, inquisitive learners, while the depth of material gets older students ready for tests. Join Kevin and his friends to explore the skeletal, nervous, muscular, circulatory, urinary, respiratory, and...
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.
Curated Video
The problems with rebuilding beaches
Beach nourishment is the latest chapter in a never-ending tale of erosion. Subscribe to our channel! http://goo.gl/0bsAjO About 80 to 90 percent of sandy beaches along America's coastlines are eroding. This is a problem because the...
Bozeman Science
Positive and Negative Feedback Loops
A video explains both positive and negative feedback loops including body temperature, ripening fruit, and diabetes. An accompanying worksheet helps organize scholar's notes.
TED-Ed
Feedback Loops: How Nature Gets Its Rhythms
Explore the role of feedback loops in maintaining nature's delicate balance with this short science video. Introducing the concepts of positive and negative feedback, multiple examples are presented that explore the intricate web of...
Amoeba Sisters
Homeostasis and Negative/Positive Feedback
We all need a little feedback, both positive and negative! Take on one of the trickier Biology 1 concepts using a thoughtfully worded video from a fantastic biology playlist. The narrator explains both types of feedback with plenty of...
TED-Ed
Why the Arctic Is Climate Change's Canary in the Coal Mine
What happens in the Arctic doesn't always stay in the Arctic. Follow along with this short video as it investigates how small changes in the temperature of Arctic regions can have dramatic effects on the global climate through a series...
Bozeman Science
NGSS: Stability and Change
Build a strong foundation for your teaching of stability and change! The video addresses the Next Generation Science Standards Cross-Cutting Concept through insightful examples. The narrator includes ideas for introducing the standard in...
Howard Hughes Medical Institute
The Mammalian Molecular Clock Model
Animals don't read clocks, so how do they know when it is time for eating, sleeping, and other cyclical needs? Viewers watch an animation of the genes and the molecular clocks inside most mammals. They compare the difference in wild...
Bozeman Science
Thermoregulation
Hey, crank up the thermostat, my computer froze again! In a thermoregulation video, learners see how organisms either maintain their body temperatures or do not. The instructor explains the difference between conduction, convection,...
Bozeman Science
Bozeman Science: Positive and Negative Feedback Loops
Paul Andersen explains how feedback loops allow living organisms to maintain homeostasis. He uses thermoregulation in mammals to explain how a negative feedback loop functions. He uses fruit ripening to explain how a positive feedback...