Asteroid impacts, and cup lifters

Asteroid impacts, and cup lifters: "Deep underground in the centre of Australia is evidence of the biggest asteroid impact in the Earth’s history.
 
It wasn’t just a single impact, but a twin strike from a meteorite that may have split into two as it plummeted towards Earth.
 "

This week's try at home activity looks like it would make a fun class competition - let me know if you want to try it out!



'via Blog this'