by msander | Mar 28, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry, Safety
Introduction No matter what precautions are taken, sooner or later an accidental chemical spill is likely to occur in your laboratory. A responsible science teacher will take steps to prevent spills, make sure proper safety equipment is available to contain and...
by msander | Mar 26, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr. 11-12 Biology
You might be surprised to hear that measles is 10 times more contagious than Ebola or the plague. How do epidemiologists quantify a disease’s catchiness? Hosted by: Stefan Chin SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at...
by msander | Mar 20, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
Have you ever thought about how strange it is that dogs eat these dry, weird smelling bits of food for their entire lives and never get sick of them? This truly is a scientific puzzle and there are many different types of dog food formulas on the market. Some are...
by msander | Mar 15, 2019 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology, Gr. 11-12 Chemistry
This week Reactions is checking out some sushi chemistry. What creates the subtle interplay of flavors in your tuna nigiri? Take a deep dive with us into the science of rice, fish, and...
by msander | Mar 6, 2019 | Gr. 11-12 Biology
This is a great resource for teaching about chromosomal abnormalities for genetics and evolution at the same time. Students investigate differences between chromosomes (like inversions and deletions) of Humans, Chimps, Gibbons, and Orangutans to determine their...
by msander | Mar 1, 2019 | Gr 4-6 Science & Tech, Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Biology
Doctors in Australia have identified twins apparently created from one egg and two sperm, a boy and a girl, the second time such twins have ever been reported. Source: ‘Strange place in between’ semi-identical twins — a boy and girl — ID’d in...
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