"Quick Tips: Resources for Teachers” is a series of short videos providing down-to-earth advice and instructional tips to teachers of STC™, our signature science curriculum. Each “Quick Tip” offers ...
Build literacy skills while making predictions with this sink-or-float activity. It's fun to learn about new concepts in a hands-on way. This family does just that with a sink-or-float activity you ...
It makes sense that a balloon filled with a lightweight gas such as helium would float when surrounded by heavier air. But why does filling a huge balloon with hot air also make it float? This ...
*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q Why do some logs float and some sink? — Holden Taggart, Merrimac, Wis. A Rodney Schreiner, chemistry department, University of ...
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