Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 4
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-1920Q27-1WPT
What is the basic unit of life?A. The cell B. Genes carry instructions that influence traits C. Chloroplasts D. Maintaining stable internal conditions
What does natural selection favor?A. An organism that makes its own food B. Chloroplasts C. The cell D. Heritable traits that improve reproductive success
What do decomposers do?A. Genes carry instructions that influence traits B. Break down dead matter and recycle nutrients C. An organism that makes its own food D. Maintaining stable internal conditions
What is homeostasis?A. Genes carry instructions that influence traits B. Maintaining stable internal conditions C. The cell D. Heritable traits that improve reproductive success
How do genes relate to traits?A. Maintaining stable internal conditions B. Chloroplasts C. Genes carry instructions that influence traits D. Break down dead matter and recycle nutrients
Where does photosynthesis occur in plant cells?A. Chloroplasts B. The cell C. Break down dead matter and recycle nutrients D. An organism that makes its own food
What is a producer?A. Maintaining stable internal conditions B. Resources and environmental conditions C. An organism that makes its own food D. Genes carry instructions that influence traits
What limits population growth?A. Break down dead matter and recycle nutrients B. Genes carry instructions that influence traits C. Maintaining stable internal conditions 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 4
- What is the basic unit of life?The cell
- What does natural selection favor?Heritable traits that improve reproductive success
- What do decomposers do?Break down dead matter and recycle nutrients
- What is homeostasis?Maintaining stable internal 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
- What limits population growth?Resources and environmental conditions
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.