

Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 9
Grade 7 science practice based on published U.S. learning expectations, with reproducible original variations. This printable version includes 8 grade-appropriate questions and a separate answer sheet.
Science Concepts and Evidence
Grade 7 · Stretch challenge · 8 questions · Version PG-19VZJ54-1WPT
What do decomposers do?A. Resources and environmental conditions B. Heritable traits that improve reproductive success C. Genes carry instructions that influence traits D. Break down dead matter and recycle nutrients
What limits population growth?A. Heritable traits that improve reproductive success B. Chloroplasts C. Maintaining stable internal conditions D. Resources and environmental conditions
How do genes relate to traits?A. Maintaining stable internal conditions B. The cell C. Genes carry instructions that influence traits D. An organism that makes its own food
What does natural selection favor?A. Chloroplasts B. Heritable traits that improve reproductive success C. Break down dead matter and recycle nutrients D. Resources and environmental conditions
What is homeostasis?A. Maintaining stable internal conditions B. Genes carry instructions that influence traits C. The cell D. Resources and environmental conditions
What is the basic unit of life?A. The cell B. An organism that makes its own food C. Chloroplasts D. Genes carry instructions that influence traits
Where does photosynthesis occur in plant cells?A. Chloroplasts B. An organism that makes its own food C. Break down dead matter and recycle nutrients D. The cell
What is a producer?A. An organism that makes its own food B. The cell C. Chloroplasts D. Break down dead matter and recycle nutrients
Answers and teaching notes
Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.
Show answers for version 9
- What do decomposers do?Break down dead matter and recycle nutrients
- What limits population growth?Resources and environmental conditions
- How do genes relate to traits?Genes carry instructions that influence traits
- What does natural selection favor?Heritable traits that improve reproductive success
- What is homeostasis?Maintaining stable internal conditions
- What is the basic unit of life?The cell
- Where does photosynthesis occur in plant cells?Chloroplasts
- What is a producer?An organism that makes its own food
Worked example
Read the direction, identify the assessed skill, solve or cite evidence, and check the response.
Common mistake
Using a memorized procedure without checking what the question asks.
Helpful hint
Name the standard skill before answering.