

Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 5
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-18S14D8-1WPT
What is homeostasis?A. Maintaining stable internal conditions B. An organism that makes its own food C. Genes carry instructions that influence traits D. Heritable traits that improve reproductive success
What do decomposers do?A. Break down dead matter and recycle nutrients B. The cell C. Genes carry instructions that influence traits D. Resources and environmental conditions
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
What does natural selection favor?A. Heritable traits that improve reproductive success B. Resources and environmental conditions C. Chloroplasts D. Maintaining stable internal conditions
What is the basic unit of life?A. Chloroplasts B. Maintaining stable internal conditions C. The cell D. Break down dead matter and recycle nutrients
Where does photosynthesis occur in plant cells?A. Maintaining stable internal conditions B. Resources and environmental conditions C. Heritable traits that improve reproductive success D. Chloroplasts
What limits population growth?A. Resources and environmental conditions B. Genes carry instructions that influence traits C. Chloroplasts D. The cell
How do genes relate to traits?A. Genes carry instructions that influence traits B. The cell C. Heritable traits that improve reproductive success D. Resources and environmental 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 5
- What is homeostasis?Maintaining stable internal conditions
- What do decomposers do?Break down dead matter and recycle nutrients
- What is a producer?An organism that makes its own food
- What does natural selection favor?Heritable traits that improve reproductive success
- What is the basic unit of life?The cell
- 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.