

Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 7
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-19C0BR6-1WPT
What does natural selection favor?A. Break down dead matter and recycle nutrients B. Resources and environmental conditions C. Maintaining stable internal conditions D. Heritable traits that improve reproductive success
What limits population growth?A. Resources and environmental conditions B. The cell C. Heritable traits that improve reproductive success D. Genes carry instructions that influence traits
Where does photosynthesis occur in plant cells?A. An organism that makes its own food B. Chloroplasts C. Break down dead matter and recycle nutrients D. Genes carry instructions that influence traits
How do genes relate to traits?A. Genes carry instructions that influence traits B. Resources and environmental conditions C. The cell D. An organism that makes its own food
What do decomposers do?A. Resources and environmental conditions B. Chloroplasts C. The cell D. Break down dead matter and recycle nutrients
What is homeostasis?A. Break down dead matter and recycle nutrients B. Chloroplasts C. Resources and environmental conditions D. Maintaining stable internal conditions
What is a producer?A. An organism that makes its own food B. Genes carry instructions that influence traits C. Resources and environmental conditions D. Maintaining stable internal conditions
What is the basic unit of life?A. The cell B. Resources and environmental conditions C. Chloroplasts D. Genes carry instructions that influence traits
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 7
- What does natural selection favor?Heritable traits that improve reproductive success
- What limits population growth?Resources and environmental conditions
- Where does photosynthesis occur in plant cells?Chloroplasts
- How do genes relate to traits?Genes carry instructions that influence traits
- What do decomposers do?Break down dead matter and recycle nutrients
- What is homeostasis?Maintaining stable internal conditions
- What is a producer?An organism that makes its own food
- What is the basic unit of life?The cell
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.