The milk industry produces in excess of 840 million tons of products each year. Why do humans drink so much milk? And given that all mammals lactate, why do we favor certain types of milk over others?
Jonathan J. O’Sullivan describes how milk is made.
Lesson by Jonathan J. O’Sullivan, animation by TED-Ed.
View full lesson: http://ed.ted.com/lessons/the-science…
Never miss a resource
The Science Teachers Association of Ontario adds new resources, blog posts, videos and more on a regular basis.
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
https://youtu.be/lWEvBLlUa2E This video uses an animated machine to show how carbon moves around the Earth’s surface – from the atmosphere to plants to animals to soils to oceans to rocks.... read more
Categories: Gr 9-10 Science
When you gaze up in the night sky, some stars will be very bright while other stars are barely visible to the unaided eye. With the aid of binoculars, you may be able to observe different colours in... read more
Categories: Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
Introduction Cartesian divers are great toys that can be used to teach important science concepts. Several variations of Cartesian divers are on the market. Imagine that you and your classmates... read more
Session expired
Please log in again. The login page will open in a new tab. After logging in you can close it and return to this page.