How Things Move - Friction | 3rd Grade Science. Special | 27m 58s Video has Closed Captions | CC. Students explore frictional force through investigations using a scooter. 12/04/2020 ...

Observing Weather Patterns - Climate | 3rd Grade Science. Special | 28m 15s Video has Closed Captions | CC. Students learn how to synthesize information from multiple non-fiction science books.

Both of these studies looked at Florida, a state that has had a 3rd grade reading policy on the books since 2003. In a 2017 study , researchers followed students who were retained in 3rd grade ...