

Grade 12 · Science · Challenge
Free Science Concepts and Evidence worksheet - version 20
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-4FGQYJ-R8U5
What is mitigation?A. Fair treatment and participation in environmental decisions B. Action that reduces causes or severity of environmental change C. A reservoir that absorbs more carbon than it releases D. To cross-check reconstructions of past conditions
What is a carbon sink?A. The variety of life at genetic, species, and ecosystem levels B. Thermal expansion and melting land ice C. A reservoir that absorbs more carbon than it releases D. A measure of resource demand and waste impact
Why use multiple climate proxies?A. Thermal expansion and melting land ice B. The variety of life at genetic, species, and ecosystem levels C. The largest population an environment can sustain D. To cross-check reconstructions of past conditions
What is carrying capacity?A. A measure of resource demand and waste impact B. A reservoir that absorbs more carbon than it releases C. The largest population an environment can sustain D. Thermal expansion and melting land ice
What is environmental justice?A. Fair treatment and participation in environmental decisions B. Thermal expansion and melting land ice C. The largest population an environment can sustain D. To cross-check reconstructions of past conditions
What is an ecological footprint?A. To cross-check reconstructions of past conditions B. A measure of resource demand and waste impact C. Action that reduces causes or severity of environmental change D. The variety of life at genetic, species, and ecosystem levels
What drives sea-level rise?A. Action that reduces causes or severity of environmental change B. A measure of resource demand and waste impact C. Fair treatment and participation in environmental decisions D. Thermal expansion and melting land ice
What is biodiversity?A. To cross-check reconstructions of past conditions B. The variety of life at genetic, species, and ecosystem levels C. Action that reduces causes or severity of environmental change D. Fair treatment and participation in environmental decisions
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 20
- What is mitigation?Action that reduces causes or severity of environmental change
- What is a carbon sink?A reservoir that absorbs more carbon than it releases
- Why use multiple climate proxies?To cross-check reconstructions of past conditions
- What is carrying capacity?The largest population an environment can sustain
- What is environmental justice?Fair treatment and participation in environmental decisions
- What is an ecological footprint?A measure of resource demand and waste impact
- What drives sea-level rise?Thermal expansion and melting land ice
- 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.