

Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 10
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-1QR634W-1WPT
What is the basic unit of life?A. Maintaining stable internal conditions B. Chloroplasts C. The cell D. Break down dead matter and recycle nutrients
What is a producer?A. Chloroplasts B. Break down dead matter and recycle nutrients C. An organism that makes its own food D. Genes carry instructions that influence traits
What does natural selection favor?A. Heritable traits that improve reproductive success B. Break down dead matter and recycle nutrients C. The cell D. Chloroplasts
What is homeostasis?A. Genes carry instructions that influence traits B. Maintaining stable internal conditions C. Chloroplasts D. Break down dead matter and recycle nutrients
What do decomposers do?A. Chloroplasts B. Break down dead matter and recycle nutrients C. An organism that makes its own food D. The cell
Where does photosynthesis occur in plant cells?A. Break down dead matter and recycle nutrients B. Chloroplasts C. Genes carry instructions that influence traits D. Maintaining stable internal conditions
What limits population growth?A. An organism that makes its own food B. Chloroplasts C. The cell D. Resources and environmental conditions
How do genes relate to traits?A. Break down dead matter and recycle nutrients B. An organism that makes its own food C. Genes carry instructions that influence traits D. Maintaining stable internal conditions
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 10
- What is the basic unit of life?The cell
- What is a producer?An organism that makes its own food
- What does natural selection favor?Heritable traits that improve reproductive success
- What is homeostasis?Maintaining stable internal conditions
- What do decomposers do?Break down dead matter and recycle nutrients
- Where does photosynthesis occur in plant cells?Chloroplasts
- What limits population growth?Resources and environmental conditions
- How do genes relate to traits?Genes carry instructions that influence traits
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.