Grade 12 · Science · Building Confidence
Free Science Concepts and Evidence worksheet - version 10
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-PJOGE-1SYL
What is carrying capacity?A. The largest population an environment can sustain B. The variety of life at genetic, species, and ecosystem levels C. To cross-check reconstructions of past conditions D. A measure of resource demand and waste impact
What is biodiversity?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. Thermal expansion and melting land ice
What drives sea-level rise?A. A measure of resource demand and waste impact B. Thermal expansion and melting land ice C. The variety of life at genetic, species, and ecosystem levels D. A reservoir that absorbs more carbon than it releases
What is environmental justice?A. Fair treatment and participation in environmental decisions B. Thermal expansion and melting land ice C. A reservoir that absorbs more carbon than it releases D. Action that reduces causes or severity of environmental change
Why use multiple climate proxies?A. To cross-check reconstructions of past conditions B. The largest population an environment can sustain C. Action that reduces causes or severity of environmental change D. Thermal expansion and melting land ice
What is an ecological footprint?A. A measure of resource demand and waste impact B. To cross-check reconstructions of past conditions C. The largest population an environment can sustain D. The variety of life at genetic, species, and ecosystem levels
What is mitigation?A. Action that reduces causes or severity of environmental change B. The largest population an environment can sustain C. The variety of life at genetic, species, and ecosystem levels D. A reservoir that absorbs more carbon than it releases
What is a carbon sink?A. Thermal expansion and melting land ice B. The largest population an environment can sustain C. A reservoir that absorbs more carbon than it releases D. The variety of life at genetic, species, and ecosystem levels
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 10
- What is carrying capacity?The largest population an environment can sustain
- What is biodiversity?The variety of life at genetic, species, and ecosystem levels
- What drives sea-level rise?Thermal expansion and melting land ice
- What is environmental justice?Fair treatment and participation in environmental decisions
- Why use multiple climate proxies?To cross-check reconstructions of past conditions
- What is an ecological footprint?A measure of resource demand and waste impact
- 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
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.