Grade 12 · Science · Building Confidence
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 · Building confidence · 8 questions · Version PG-YK1TZ9-1SYL
Why use multiple climate proxies?A. To cross-check reconstructions of past conditions B. Action that reduces causes or severity of environmental change C. A reservoir that absorbs more carbon than it releases D. The variety of life at genetic, species, and ecosystem levels
What is carrying capacity?A. A reservoir that absorbs more carbon than it releases B. Thermal expansion and melting land ice C. The largest population an environment can sustain D. Fair treatment and participation in environmental decisions
What is mitigation?A. Action that reduces causes or severity of environmental change 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
What is environmental justice?A. The variety of life at genetic, species, and ecosystem levels B. Fair treatment and participation in environmental decisions C. A reservoir that absorbs more carbon than it releases D. Action that reduces causes or severity of environmental change
What drives sea-level rise?A. A reservoir that absorbs more carbon than it releases B. Thermal expansion and melting land ice C. Action that reduces causes or severity of environmental change D. A measure of resource demand and waste impact
What is an ecological footprint?A. The largest population an environment can sustain B. A measure of resource demand and waste impact C. To cross-check reconstructions of past conditions D. A reservoir that absorbs more carbon than it releases
What is biodiversity?A. The variety of life at genetic, species, and ecosystem levels B. A measure of resource demand and waste impact C. To cross-check reconstructions of past conditions D. Action that reduces causes or severity of environmental change
What is a carbon sink?A. The largest population an environment can sustain B. A reservoir that absorbs more carbon than it releases C. A measure of resource demand and waste impact 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 20
- 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 mitigation?Action that reduces causes or severity of environmental change
- What is environmental justice?Fair treatment and participation in environmental decisions
- What drives sea-level rise?Thermal expansion and melting land ice
- What is an ecological footprint?A measure of resource demand and waste impact
- What is biodiversity?The variety of life at genetic, species, and ecosystem levels
- What is a carbon sink?A reservoir that absorbs more carbon than it releases
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.