Lesson Plan


Grade Levels

Related Academic Standards

Assessment Anchors

Eligible Content

Big Ideas




Students will differentiate between solids, liquids, and gases. Students will:

  • define solids, liquids, and gases.

  • identify solids, liquids, and gases based on particle activity.

  • explain the difference between volume and mass.

Essential Questions

Essential questions haven't been entered into the lesson plan.


  • Solid: The state of matter in which the volume and shape of a substance is fixed.

  • Liquid: The state of matter that has a definite volume, but not a definite shape.

  • Gas: The state of matter that has no definite volume or shape.

  • Physical Property: Properties used to observe and describe matter without changing the identity of the substance. Examples are color, density, and hardness.

  • Chemical Property: Properties that describe how a substance changes into a completely different substance. Examples are flammability and resistance to corrosion.

  • Volume: The amount of space taken up by a three dimensional object. Can be interchangeable with capacity, when referring to the volume within or contained by another object.

  • Capacity: The ability to absorb or contain another object.

  • Mass: The amount of matter in an object.

  • Matter: Anything that has mass and takes up space. Three common states of matter are solid, liquid, and gas.


120 minute/ 1–2 class periods

Prerequisite Skills


Related Unit and Lesson Plans

Related Materials & Resources

The possible inclusion of commercial websites below is not an implied endorsement of their products, which are not free, and are not required for this lesson plan.

Formative Assessment


Suggested Instructional Supports


Instructional Procedures


  • Current Rating



Comments haven't been posted about the lesson plan.
Standards Aligned System
Data is Loading...

Under Construction
Thank you for your patience. Not all features of the site are currently available.