Seventh graders summarize how Earth processes today are similar to those that occurred in the past, and explain how slow geologic processes have large cumulative effects over long periods of time.
7th Science 3 Views 1 Download
Reduce Our Carbon Footprint, Let’s Compost!
Roll up your sleeves and get a little dirty with this elementary and middle school compost lesson. All you need is a large plastic container, a couple old newspapers, some organic waste, and a few hundred worms and you're ready to start...
4th - 8th Science CCSS: Adaptable
Quasistatic and Reversible Processes
The theories behind Quasistatic and Reversible Processes are offered in this chemistry video. Sal sets up a hypothetical situation in which gases are escaping from a piston in a car's engine. He uses this scenario to illustrate exactly...
15 mins 7th - 10th Science