6 units · 24 lessons

Grade 7: Science

Start with a unit whose prerequisites fit. Work through the lessons, use the study guide to review, and try the new cases before continuing.

  1. Unit 1 · 4 lessons

    Chemical Reactions and Properties

    Use particle evidence and material boundaries to reason about reactions.

    Before you begin: Read or listen to supplied scientific descriptions and follow a labeled diagram. · Use division, fractions, percentages and stated measurement units.

  2. Unit 2 · 4 lessons

    Reproduction, Inheritance and Development

    Connect reproduction to genetic information without reducing all traits to one gene.

    Before you begin: Read or listen to supplied scientific descriptions and follow a labeled diagram. · Use division, fractions, percentages and stated measurement units.

  3. Unit 3 · 4 lessons

    Body Systems and Homeostasis

    Explain system cooperation and feedback using fictional records.

    Before you begin: Read or listen to supplied scientific descriptions and follow a labeled diagram. · Use division, fractions, percentages and stated measurement units.

  4. Unit 4 · 4 lessons

    Food-web energy, cycling matter, and bounded predictions

    Combine feeding relationships with quantitative energy models and distinguish matter cycling.

    Before you begin: Read food-to-consumer arrows; calculate percentages; write conditional claims.

  5. Unit 5 · 4 lessons

    Weather, Air and Climate

    Connect atmospheric movement, water and long-term records.

    Before you begin: Read or listen to supplied scientific descriptions and follow a labeled diagram. · Use division, fractions, percentages and stated measurement units.

  6. Unit 6 · 4 lessons

    Watersheds, Groundwater and Design

    Trace surface and underground water and evaluate runoff models.

    Before you begin: Read or listen to supplied scientific descriptions and follow a labeled diagram. · Use division, fractions, percentages and stated measurement units.

Check what you can explain

The subject test uses additional supplied cases across these units. Its feedback links back to the relevant lessons. Use it to plan practice; a score on these questions is not a school grade or proof of complete subject mastery.

Open the subject test