Density and States of Matter CER

Over the last week we have been investigating and discussing the concept of density.  The density of a substance is defined as the ratio of that substance’s mass to its volume.

d = m/v

In addition to measuring the density of several objects this week, we explored the density of different substances is affected by changes in phase (the density of a solid, compared to a liquid or a gas)

Attached below are screenshots of the PhET simulation that illustrate the arrangement of particles of different substances in different phases.  (HINT: this is showing changes in the substance’s volume)

Additionally, two graphs are attached that show the relationship between density and temperature of air and water, respectively.

Use the information provided to answer the following prompt in a CER-style paragraph (Claim - Evidence - Reasoning)

PROMPT:  Do all substances get more dense as their temperature decreases?

*** NOTE:  A graphic organizer is also attached.  You DO NOT need to fill this out, it is only there for your support if you find it helpful.  Printed copies at the front of the room 

Density Slides

Categorizing States of Matter