Start a 10-Day Free Trial to Unlock the Full Review
Why Lesson Planet?
Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!
Seventh graders, in groups, experiment, devise, and create an effective water filtration system using only given materials. They compete to see who has the best system which produces the cleanest water.
3 Views 10 Downloads