Your physical science class learns that there are three states of matter, and that adding or removing heat can cause it to change from one state to another. By the animations, printed information, and discussion between RJ and Zoe, they...

Time to show what they know! Module five in a 14-part series about solids, liquids, and gases redirects to an interactive quiz. Learners test their skills on topics such as states of matter, phase changes, and Brownian Motion. With...

Quiz time! Part eight in a 14-part series about solids, liquids, and gases provides an opportunity to assess individual's learning. The interactive quiz covers the topics of solubility, solubility curves, and diffusion.

In this solid, liquids and gas worksheet, students complete an on-line quiz, choosing questions and matching answers. Students score 1 point for each correct answer; a printed version is available.

What's the solution to gaining insight into your class' progress? Give this brief quiz a try! Part 10 of a 14-installment series on states of matter tests learners' skills in the areas of dilution and the properties of water,...

In a friendly, casual conversation on the beach, two animated teens discuss the periodic table. Assign this video to be viewed at home by physical science fans. After viewing, they can write definitions for key vocabulary terms and take...