

Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 1
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-17O2PLC-1WPT
What do decomposers do?A. Break down dead matter and recycle nutrients B. The cell C. An organism that makes its own food D. Chloroplasts
What is a producer?A. An organism that makes its own food B. Genes carry instructions that influence traits C. Chloroplasts D. Maintaining stable internal conditions
How do genes relate to traits?A. An organism that makes its own food B. Resources and environmental conditions C. The cell D. Genes carry instructions that influence traits
What limits population growth?A. Resources and environmental conditions B. Genes carry instructions that influence traits C. An organism that makes its own food D. Break down dead matter and recycle nutrients
Where does photosynthesis occur in plant cells?A. Chloroplasts B. Break down dead matter and recycle nutrients C. The cell D. Heritable traits that improve reproductive success
What is homeostasis?A. The cell B. Maintaining stable internal conditions C. Chloroplasts D. Break down dead matter and recycle nutrients
What is the basic unit of life?A. Break down dead matter and recycle nutrients B. Heritable traits that improve reproductive success C. The cell D. An organism that makes its own food
What does natural selection favor?A. Maintaining stable internal conditions B. An organism that makes its own food C. Break down dead matter and recycle nutrients D. Heritable traits that improve reproductive success
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 1
- What do decomposers do?Break down dead matter and recycle nutrients
- What is a producer?An organism that makes its own food
- How do genes relate to traits?Genes carry instructions that influence traits
- What limits population growth?Resources and environmental conditions
- Where does photosynthesis occur in plant cells?Chloroplasts
- What is homeostasis?Maintaining stable internal conditions
- What is the basic unit of life?The cell
- What does natural selection favor?Heritable traits that improve reproductive success
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.