Virginia SOL PS.1

ScienceGrades 7–8Physical Science

SOL Standard (Key Ideas Cluster)

The student will demonstrate an understanding of scientific and engineering practices by

Virginia Standards of Learning for Science

Cluster contents

Key Ideas in This Standard

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

Teacher's field guide

What This Cluster Means

What Students Need to Do

Students ask testable questions and write hypotheses that link changed and measured variables. They plan safe investigations, take metric measurements, repeat trials, and organize results in tables and graphs. They use evidence, models, calculations, and reliable sources to explain results or improve a design.

What Mastery Looks Like

Given a question, a student can identify variables, constants, controls, tools, and a safe procedure. The student can calculate means, choose a useful graph, and explain what the data supports and where it is limited. The student can compare solutions and defend a conclusion with evidence and sound reasoning.

Common Misconceptions

Students may treat a hypothesis as a guess or believe theories become laws after enough testing. They often confuse independent and dependent variables, or change several variables in one trial. They may assume a graph proves cause, a model is exact, or a polished source is automatically reliable.

How to Assess It

Exit ticket: “Does ramp height affect a toy car’s travel distance?” Have students name both variables, two constants, a metric tool, a hypothesis, and headings for a three-trial data table.

Lesson moves

Ways to Teach It

  1. Build paper helicopters with two blade lengths, run three timed drops per design, calculate means, graph results, and revise one feature.

  2. Give two conflicting claims about sports drinks, then have students write which evidence they would trust and why.

  3. Run a card sort where teams match investigation scenarios to variables, constants, controls, tools, and suitable graph types.

  4. Test which reusable cup keeps water coldest, using temperature data and cost limits to recommend a purchase for the cafeteria.

Free download

Printable PS.1 Worksheet

Preview of the PS.1 printable worksheet

A ready-to-print activity worksheet aligned to PS.1, with an answer key for the teacher on its own page. No account needed.

PDF, US Letter, prints cleanly in black and white.

Download the worksheet

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Related Standards

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