Science Education Resource Center at Carleton College
Serc: Measuring and Comparing Matter
In this activity, students will measure a variety of different materials from the classroom to determine how much matter is found in these materials then determine the mass of these materials using the same volume for each. The data will...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: As a "Matter" of Fact
In this lesson plan site, students will define matter and compare properties of solids, liquids and gases.
American Chemical Society
Middle School Chemistry: Density: Sink and Float for Solids
Students determine whether an object will sink or float by comparing its density to the density of water.