Grade 7 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 14
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-1RV4HWS-1WPT
What is homeostasis?A. The cell B. An organism that makes its own food C. Break down dead matter and recycle nutrients D. Maintaining stable internal conditions
What is the basic unit of life?A. Genes carry instructions that influence traits B. An organism that makes its own food C. Maintaining stable internal conditions D. The cell
What is a producer?A. Heritable traits that improve reproductive success B. Resources and environmental conditions C. An organism that makes its own food D. Maintaining stable internal conditions
What does natural selection favor?A. Heritable traits that improve reproductive success B. Maintaining stable internal conditions C. Break down dead matter and recycle nutrients D. Resources and environmental conditions
What do decomposers do?A. The cell B. Break down dead matter and recycle nutrients C. Genes carry instructions that influence traits D. Chloroplasts
What limits population growth?A. Resources and environmental conditions B. Genes carry instructions that influence traits C. Maintaining stable internal conditions D. An organism that makes its own food
How do genes relate to traits?A. Genes carry instructions that influence traits B. Break down dead matter and recycle nutrients C. The cell D. Chloroplasts
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
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 14
- What is homeostasis?Maintaining stable internal conditions
- What is the basic unit of life?The cell
- What is a producer?An organism that makes its own food
- What does natural selection favor?Heritable traits that improve reproductive success
- What do decomposers do?Break down dead matter and recycle nutrients
- 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
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.