How about some games like the Periodic Table time trial challenge – it’s addictive – or you could play Chemical Compound Hangman or test your reactions with sheep.
Like Science? Then check out over 200 episodes of the SciShow, with Hank Green, here or here:
Or how about Vsauce? Playlist here.
AsapSCIENCE – a weekly dose of fun and interesting science.
Here’s a random collection of ‘sciencey’ YouTube clips:
Amazing! Bird sounds from the lyre bird – David Attenborough – BBC wildlife (2m 54s)
Can You Be Scared To Death? – AsapSCIENCE (2m 37s)
Theo Jansen’s Strandbeests – Wallace & Gromit’s World of Invention Episode 1 Preview – BBC One (2m 37s)
A Toy Train in Space (2m 28s)
Humility – Carl Sagan (4m 54s)
Powers of Ten™ from 1977 takes us on an adventure in magnitudes (9m)
TED talks here – for example David Gallo: Underwater astonishments – a great TED talk (6m). And here are some TED-Ed videos: what’s invisible? More than you think – John Lloyd (8m 47s); just how small is an atom? – Jonathan Bergmann (5m 27s); the physics of sperm vs. the physics of sperm whales – Aatish Bhatia (4m 17s).
Why do cats always land on their feet? – a 6m 26s video that answers this question without harming any cats (much).
Science Quizzes from Science Kids
From ‘the chemistry of chocolate’ to ‘the aroma of new cars’, compound interest has superb infographics on all sorts of everyday chemical compounds.
OTHER SCIENCE SITES
HowStuffWorks is dedicated to satiating curiosity and explaining the world around you. Apparently.
Science news for students: https://student.societyforscience.org/sciencenews-students
Or how about the Science Weekly podcast from the Guardian or New Scientist – the weekly international science magazine?