Virginia SOL PS.1.e

PS.1.e is a Standards of Learning science standard. These are the key ideas and practices under it.

• PS.1.e.i

  construct, develop, and use models and simulations to illustrate and/or explain observable and unobservable phenomena

• PS.1.e.ii

  evaluate limitations of models

01

What Students Need to Do

Students build, revise, and use diagrams, physical models, or computer simulations to explain how a physical system works. They connect visible changes to particles, forces, or energy and identify what the model leaves out.

02

What Mastery Looks Like

Students choose a suitable model and use its parts to explain or predict a phenomenon. They compare the model with evidence, revise it when needed, and state at least one limitation.

03

Common Misconceptions

Students may think a model must look exactly like the real object or that one model can show every feature. They may also treat simulations as proof instead of simplified representations based on assumptions.

04

How to Assess It

Give students an exit ticket asking them to draw a particle model of melting ice, explain the change, and name one limitation of their model.

1. 01

   Build particle models of solids, liquids, and gases with beads in clear containers, then revise them after observing heating.

2. 02

   Compare a ball-and-stick molecule model with a diagram, then write which features each represents well and which each leaves out.

3. 03

   Play Model Match: students pair phenomenon cards with diagrams or simulations, justify each match, and name one limitation.

4. 04

   Use a weather map to explain an approaching front, then identify why the map cannot show every local condition.

• 3.1.e

  The 3rd Grade version of this standard.

• 4.1.e

  The 4th Grade version of this standard.

• 2.1.e

  The 2nd Grade version of this standard.

• 1.1.e

  The 1st Grade version of this standard.