Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 13
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-1RL4W7T-1WPT
What is homeostasis?A. Maintaining stable internal conditions B. Genes carry instructions that influence traits C. Break down dead matter and recycle nutrients D. Chloroplasts
What does natural selection favor?A. Heritable traits that improve reproductive success B. Genes carry instructions that influence traits C. An organism that makes its own food D. Maintaining stable internal conditions
What do decomposers do?A. Break down dead matter and recycle nutrients B. Chloroplasts C. Maintaining stable internal conditions D. An organism that makes its own food
What is the basic unit of life?A. Resources and environmental conditions B. Chloroplasts C. Genes carry instructions that influence traits D. The cell
What limits population growth?A. Genes carry instructions that influence traits B. Resources and environmental conditions C. Break down dead matter and recycle nutrients D. An organism that makes its own food
How do genes relate to traits?A. Maintaining stable internal conditions B. Genes carry instructions that influence traits C. An organism that makes its own food D. Heritable traits that improve reproductive success
Where does photosynthesis occur in plant cells?A. Chloroplasts B. Heritable traits that improve reproductive success C. The cell D. Maintaining stable internal conditions
What is a producer?A. Genes carry instructions that influence traits 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 13
- What is homeostasis?Maintaining stable internal conditions
- What does natural selection favor?Heritable traits that improve reproductive success
- What do decomposers do?Break down dead matter and recycle nutrients
- What is the basic unit of life?The cell
- What limits population growth?Resources and environmental conditions
- How do genes relate to traits?Genes carry instructions that influence traits
- Where does photosynthesis occur in plant cells?Chloroplasts
- What is a producer?An organism that makes its own food
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.