by msander | May 13, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry, Gr. 11-12 Physics
Throughout Earth’s history, climate has varied greatly. For hundreds of millions of years, the planet had no polar ice caps. Without this ice, the sea level was 70 meters higher. At the other extreme, about 700 million years ago, Earth became almost entirely covered...
by msander | May 10, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
It’s one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe *some* things. But itching and scratching are up there. How does this weird sensation work? And what is itching for? Scratch that itch...
by msander | May 10, 2018 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr. 11-12 Biology
A parasitic wasp has injected her eggs into a caterpillar — and now they’re ready to hatch. In the Womb: Extreme Animals : http://channel.nationalgeographic.com… ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National...
by msander | May 9, 2018 | All Science Teachers
What is a fissure? Why are so many earthquakes occurring? We look at some of the science behind Hawaii’s most recent volcanic activity. Source: Understanding the science behind Hawaii’s erupting Kilauea volcano | CBC News
by msander | May 7, 2018 | Gr 4-6 Science & Tech, Gr 9-10 Science
A robotic lander has been launched for a mission to Mars, where it will probe the planet’s interior. Source: NASA launches InSight spacecraft bound for Mars | CBC News
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