

Grade 12 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 7
Grade 12 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 12 · Stretch challenge · 8 questions · Version PG-G3E876-R8U5
What is mitigation?A. Fair treatment and participation in environmental decisions B. Thermal expansion and melting land ice C. To cross-check reconstructions of past conditions D. Action that reduces causes or severity of environmental change
Why use multiple climate proxies?A. Action that reduces causes or severity of environmental change B. To cross-check reconstructions of past conditions C. The variety of life at genetic, species, and ecosystem levels D. The largest population an environment can sustain
What is carrying capacity?A. The variety of life at genetic, species, and ecosystem levels B. A reservoir that absorbs more carbon than it releases C. The largest population an environment can sustain D. To cross-check reconstructions of past conditions
What drives sea-level rise?A. Thermal expansion and melting land ice B. Fair treatment and participation in environmental decisions C. A measure of resource demand and waste impact D. The largest population an environment can sustain
What is a carbon sink?A. A reservoir that absorbs more carbon than it releases B. The variety of life at genetic, species, and ecosystem levels C. Thermal expansion and melting land ice D. The largest population an environment can sustain
What is an ecological footprint?A. A measure of resource demand and waste impact B. Action that reduces causes or severity of environmental change C. To cross-check reconstructions of past conditions D. The largest population an environment can sustain
What is environmental justice?A. The largest population an environment can sustain B. A reservoir that absorbs more carbon than it releases C. Fair treatment and participation in environmental decisions D. Thermal expansion and melting land ice
What is biodiversity?A. A measure of resource demand and waste impact B. The variety of life at genetic, species, and ecosystem levels C. A reservoir that absorbs more carbon than it releases D. To cross-check reconstructions of past 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 7
- What is mitigation?Action that reduces causes or severity of environmental change
- Why use multiple climate proxies?To cross-check reconstructions of past conditions
- What is carrying capacity?The largest population an environment can sustain
- What drives sea-level rise?Thermal expansion and melting land ice
- What is a carbon sink?A reservoir that absorbs more carbon than it releases
- What is an ecological footprint?A measure of resource demand and waste impact
- What is environmental justice?Fair treatment and participation in environmental decisions
- What is biodiversity?The variety of life at genetic, species, and ecosystem levels
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.