APES / Unit 1 / Activity
FREE Biomes and Climatographs Activity: Biome Match Game
Eight biomes have written dating profiles. Students read each climatograph, identify the biome, and justify the match with temperature and precipitation evidence.
Free resources
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AP Environmental Science
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APES / Unit 1 / Quiz
FREE APES Quiz: Module 1 Species Interactions
A 30-question AP Environmental Science quiz on predation, parasitism, competition, mutualism, and commensalism. Canvas QTI, PDF, and Word. Module numbers follow Friedland and Relyea.
APES / Unit 3 / Activity
FREE Age Structure Diagrams and Total Fertility Rate Stations
Students build Kenya's population pyramid from real 2023 UN data, then analyze four mystery pyramids: Niger, the United States, India, and Japan.
Chemistry
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Chemistry / Lab
FREE Density Lab: Identify Unknown Metals (Sig Figs and Percent Error)
Students identify unknown metals by measuring density, then work with significant figures and percent error. Opens with the story of fake gold bars.
Chemistry / Lab
FREE Beanium Isotopes Lab: Average Atomic Mass
A hands-on lab that shows why the periodic table lists an average atomic mass, with an answer key.
Chemistry / Reference
FREE Chemistry Reference Sheets with Periodic Table and Electronegativity
Nine one-page unit sheets with equations, constants, and tables, in color and ink-saver versions, plus an original periodic table with atomic mass and electronegativity.
Chemistry / Quiz
FREE Chemistry Quiz: Ch. 1.1 Scientific Method
A 30-question quiz from Unit 1, Foundations of Chemistry. Canvas QTI, PDF, and Word. Wording is textbook-neutral, so it works with any chemistry curriculum.
AP Chemistry
AP Chemistry / Quiz
FREE AP Chemistry Quiz: 1.1 Moles and Mass Spectrometry
30 AP-style multiple-choice questions on CED topics 1.1 to 1.4. Self-grading Google Form, Canvas QTI, and printable PDF and Word with a worked answer key.
Biology
Biology / Lab
FREE Microscope Lab: Measure Cells with Field of View (Metric Units)
Students view onion skin under the microscope and use field of view to work out how big a single cell really is.
Biology / Quiz
FREE Biology Quiz: Characteristics of Life
A 30-question quiz for a typical 9th-grade class. Self-grading Google Form, Canvas QTI, and printable PDF and Word, with an answer key that explains every question.