

Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 6
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-19LZXG5-1WPT
What does natural selection favor?A. Heritable traits that improve reproductive success B. An organism that makes its own food C. Genes carry instructions that influence traits D. Maintaining stable internal conditions
What do decomposers do?A. Heritable traits that improve reproductive success B. The cell C. Resources and environmental conditions D. Break down dead matter and recycle nutrients
How do genes relate to traits?A. Heritable traits that improve reproductive success B. Genes carry instructions that influence traits C. The cell D. Chloroplasts
What limits population growth?A. Resources and environmental conditions B. An organism that makes its own food C. Maintaining stable internal conditions D. The cell
What is a producer?A. Genes carry instructions that influence traits B. Maintaining stable internal conditions C. Resources and environmental conditions D. An organism that makes its own food
What is homeostasis?A. Maintaining stable internal conditions B. Genes carry instructions that influence traits C. Heritable traits that improve reproductive success D. An organism that makes its own food
What is the basic unit of life?A. Genes carry instructions that influence traits B. Break down dead matter and recycle nutrients C. The cell D. An organism that makes its own food
Where does photosynthesis occur in plant cells?A. Maintaining stable internal conditions B. Chloroplasts C. The cell 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 6
- What does natural selection favor?Heritable traits that improve reproductive success
- What do decomposers do?Break down dead matter and recycle nutrients
- How do genes relate to traits?Genes carry instructions that influence traits
- What limits population growth?Resources and environmental conditions
- What is a producer?An organism that makes its own food
- What is homeostasis?Maintaining stable internal conditions
- What is the basic unit of life?The cell
- Where does photosynthesis occur in plant cells?Chloroplasts
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.