Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

After melting, the water molecules are closer together than they were as ice. As a liquid, the molecules are more randomly arranged and the molecules are able to slide past each other. As energy is ...

As the summer months unfold, two major changes happen: outdoor time becomes more common, and temperatures rise. Thus, when people go out for their latest beach trip, hike, or adventure, they're always ...

Every night some 74,000 gallons (280,000 liters) of water are frozen at Norton Audubon Hospital in Louisville, Kentucky. The hospital used to get all of its air conditioning from a conventional system ...

If you've ever watched Formula 1 closely — and we mean really closely — you might have noticed team members stuffing boxes of what looks like clear, smoke-breathing bricks. They're shoved into the ...