Percent Increase and Decrease Quiz
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Percent yield stoichiometry lab: Alka-Seltzer and percent yield of CO2
This easy to follow lab experiment is intended to complement your teaching on Stoichiometry, Limiting Reagent, Excess Reagent, and Percent Yield as well as compiling and analyzing data to come to a quantitative conclusion. The lab handout includes a materials list and a simple and clear procedure. The lab activity uses only 1 chemicals easily sourced from any grocery and drug store store making it a quick, cheap and simple lab activity to setup. The detailed procedure makes it easy for students
9th - 11th
Chemistry, Earth Sciences, Other (Science)
NGSS
HS-PS1-7
, HS-PS1-2
Anatomy and Physiology Root Word Quiz
Start the school year off right and encourage students to practice using scientific root words. This quiz allows students to reason out the meaning of science vocabulary by focusing on what the smaller components reveal about the meaning of the larger terms. This can serve as a launch point for deeper conversations and train students to approach all new vocabulary from this problem-solving angle.
9th - 12th
Anatomy, Biology, Vocabulary
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Scholar Bowl / Quiz Bowl Question Set #1
I am the Junior High Scholar Bowl Coach for our school and have been involved with scholar bowl for many years. The cost to purchase questions for my team is quite high so I began writing my own questions for practices and meets that I host. These questions are written in the format designated by the state of Missouri in 2018. There are 26 toss-up questions with three bonus questions following each toss-up. I write my questions with the intention of teams being able to answer them. I try to
6th - 12th
Also included in: Scholar Bowl / Quiz Bowl Question Sets 1 - 5: Bundle #1
AP Psychology Unit 4: Learning and Conditioning Bell Ringers (OLD CED)
Make the start of class more engaging with psychology warm-ups that actually get students thinking. These Unit 4: Learning and Conditioning Bell Ringers help high school psychology students explore how behavior is learned, shaped, and influenced through classical conditioning, operant conditioning, reinforcement, punishment, observational learning, and behaviorism. Students interact with thought-provoking prompts, everyday examples, and real-world scenarios that make major psychology concepts ea
9th - 12th, Adult Education, Higher Education
Psychology
AP Psychology Unit 5: Memory and Cognition Bell Ringer Journal (OLD CED)
Start your class with meaningful psychology warm-ups that actually get students thinking. These Unit 5: Memory and Cognition Bell Ringers are designed to help high school psychology students engage with some of the most fascinating topics in psychology, including memory, forgetting, thinking, language, intelligence, and decision-making. Instead of boring review questions, students respond to thought-provoking prompts, real-life scenarios, and reflection tasks that make psychology feel relevant a
9th - 12th, Adult Education, Higher Education
Psychology
Probability & Statistics - A Simulated Approach
In 1994 I wrote an alternative curriculum for our Probability and Statistics students at Chippewa Falls (Wisconsin) High School that employed Monte Carlo simulations. The students’ reactions were so positive that we increased our one section of this course to three sections in just three years. As a consequence, I asked another math teacher at our school to teach a section of this course and over the next nine years, two additional teachers were also teaching sections of this course. One of tho
10th - 12th
Statistics
Seven free wordled scripture quizzes
Each of these quizzes features a passage of scripture that has been wordled. (http://www.wordle.net/)
Wordle is a free program that generates "word clouds" from text that you provide. The clouds give greater prominence to the words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create can be printed out, or saved to the Wordle gallery or capture them and save to your hard drive.
Can you identify the s
4th - 12th, Adult Education
Religion
Brain Teasing Quiz for Fun
Students are given acronyms and they figure out what it stands for!
Used for team building, last minute sub, and fast finishers.
6th - 12th, Adult Education, Higher Education
Classroom Community
Depth and Complexity Icon Descriptions
Dr. Sandra Kaplan's Icons of Depth and Complexity are designed to increase deep and critical thinking in the classroom for students of all ages. This FREE resource includes an explanation of each of the 11 icons. If you are interested in ways to use these in your classroom, check out my Reading Reflections for a way to deepen reflection and discussion around any text.
4th - 12th
For All Subjects
Understanding the Central Idea - Student Thinking Tool!
Looking for a student-friendly way to assess and deepen learners’ understanding of the Central Idea in your PYP classroom? This printable and resource helps students reflect, connect, and express their thinking meaningfully throughout a Unit of Inquiry. What’s IncludedA thoughtfully designed reflection template that invites students to articulate their understanding in their own wordsPrompts and guiding questions to encourage personal connections, examples, and conceptual understandingWhy You wi
3rd - 10th
Other (ELA), Other (Math), Other (Science)
Cool Schools Campaign Poster (Mediator 8 x 11)
Cool Schools Campaign Poster (Mediator 8 x 11)
Part of Pinnacle Training and Publishing's "Increase The Peace" Cool Schools Campaign.
PreK - 12th
Criminal Justice - Law
Homeopathy, Medicine or Magical Thinking?
Check it out at: https://generationskeptics.org/2026/01/14/homeopathy-medicine-or-magical-thinking/Online version includes a teacher guide, lesson plan, website evaluation checklist, quiz, answer keys, and more! This lesson on homeopathy is designed to help students practice real scientific and digital-literacy skills by learning how to evaluate health claims they will encounter in the real world. Many students see “natural” and “alternative” medicine online and in stores, and this lesson guides
9th - 12th
Balanced Literacy, General Science, Library Skills
The News War: Think Like a Journalist, Verify Like A Skeptic
You can find the lesson described here on our website. It includes a lesson plan, student response sheet, quiz and answer key. Gr 6-12 The News War: Think Like A Journalist, Verify Like a SkepticWe also have similar lessons for younger grades. Gr 3-6 The News War: Detectives of TruthGr K-3 Be A News DetectiveFor a quick description, view The News War on our YouTube channel. For dozens of lessons that promote skeptical thinking skills, check out our webpage www.GenerationSkeptics.org
6th - 12th
Computer Science - Technology, General Science, Other (ELA)
Games and Puzzles
These are group of puzzles that I have collected that I have used for fun in the classroom and for bonuses on tests/quizzes.
6th - 12th
General Science, Not Subject Specific, Visual Arts
Chess Club Intro to Chess 1st - HS Promethean ActivInspire Flipchart Lesson
This is a Promethean ActivInspire Flipchart lesson introducing the basic moves in chess. This interactive 25 slide lesson:
- Introduces the chess pieces and set up of the board
- Teaches the basic moves of the pieces
- Includes a chess board with chess pieces for practice playing
- Contains a 10 question quiz that is suitable for use with clickers
This lesson is FREE. Please help me out by rating the lesson and leaving a comment. I really appreciate it!
1st - 12th
The Nocebo Effect!
We've all heard about the Placebo Effect. Meet its evil twin, the Nocebo Effect! This lesson comes with free materials, including classroom slides, a lesson plan, student response sheet, quiz, and answer keys. Check it all out here: The Nocebo Effect
6th - 12th, Adult Education, Higher Education
General Science
I Am Not An Alien-Investigating Pseudoscience and Understanding Anthropology
TV shows and cultural myths turn natural or human-modified variations in ancient human skeletons into paranormal phenomena. Dr. Elizabeth Weiss explains the facts in this engaging anthropology lesson: https://generationskeptics.org/2025/06/05/i-am-not-an-alien/It includes the complete lesson, with Dr. Weiss' article, reading guide, quick quiz, and lesson plan. Visit www.GenerationSkeptics.org for more engaging critical thinking activities for your classroom.
9th - 12th
Anatomy, Ancient History, Biology
NGSS
HS-LS3-1
, HS-LS4-1
AP Biology UNIT 5 Heredity 5.3 Mendelian Genetics Video Guide Part 1
Struggling with Mendelian genetics? Same. This video breaks down AP Biology Unit 5.3 — Law of Segregation and Law of Independent Assortment — in a way that actually makes sense (no fluff, no panic). We go step-by-step from phenotype vs genotype all the way to pedigrees and inheritance patterns, plus a quiz at the end so you can test if it actually stuck. This is the exact stuff College Board loves to test, so yeah… this matters. 0:00 Disclaimer and Overview 1:45 Phenotype Vs. Genotype BREA
9th - 12th
Biology, General Science, Other (Science)
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
Also included in: UPDATED 2026 AP Biology Unit 5: Heredity COMPLETE UNIT STUDY BUNDLE
**AP Biology Pre-Lab Checklist: Preparation, Roles & Lab Readiness**
Set your labs up for success before they even begin with this AP Biology Pre-Lab Checklist, designed to ensure students are prepared, organized, and thinking like real scientists. This structured, student-friendly checklist guides lab groups through essential preparation steps, including protocol analysis, role assignment, and materials verification, so students enter the lab with purpose and clarity—not confusion. It reinforces accountability while building strong habits in collaboration, co
5th - 12th
Basic Principles, Biology, General Science
AP Biology UNIT 6 Gene Expression 6.3 Transcription & RNA Processing Video
In AP Biology Unit 6.3, transcription is the process where RNA polymerase reads a DNA template strand to synthesize a complementary RNA molecule. In prokaryotes, transcription occurs directly in the cytoplasm and the mRNA can be translated immediately with little or no modification. In eukaryotes, transcription happens inside the nucleus and the initial RNA transcript must undergo RNA processing, including the addition of a 5′ cap, a poly-A tail, and splicing to remove introns. These modificatio
8th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+5
5 Minutes Left and What Can I Do? : 100 Fun and Challenging Puzzles
Thank you for visiting this page! After 30+ years of teaching, these are my absolute favorite classroom-tested time fillers. Every teacher needs to have something ready when a planned lesson ends earlier than anticipated or the kids just need a break at the end of the period.
Some puzzles I have used over the years just do not work well; these all do. What they have in common is that they are challenging, engaging to all students, and effective problem-solving/critical thinking activities.
N
5th - 12th
For All Subjects
FREE: Real or Fake? News Literacy & Critical Thinking Worksheet
✨ FREE Resource! Empower Your Students to Spot Fake News & Think Critically! ✨In today's fast-paced digital world, teaching students to discern truth from fiction is more crucial than ever. This FREE "Real or Fake?" Critical Thinking Worksheet is your perfect, no-prep solution to kickstart essential news literacy and media analysis skills in your classroom! --- WHAT MAKES THIS FREEBIE A MUST-HAVE? --- Engages & Empowers Students:Highly Relevant Topic: Tackles the timely issue of misinformation
8th - 12th
Reading, Vocabulary, Writing
CCSS
CCRA.L.1
, CCRA.L.2
, CCRA.L.3
+3
HatchIQ Mind Map Template
This open-ended mind map scaffold helps students unpack a topic, problem, or idea visually. Designed to support divergent thinking and idea generation, it’s perfect for use at the start of a project, during brainstorming, or as a reflection tool. Simple, flexible, and student-friendly — just add curiosity. Want more? Email hello@hatchiq.com.au www.hatchiq.com.au HatchIQ is a platform that helps teachers capture creativity, capability, and real-world thinking in the classroom. Terms of Use: Thi
3rd - 12th
For All Subjects, Not Subject Specific
Also included in: HatchIQ teacher templates bundle
The Lost Pines of Bastrop CER | Texas Ecology | Case Study
📘 Full Length National Standard-Aligned DBQ CER Style Worksheet - Claim Evidence Reasoning | The Lost Pines of Bastrop Case Study Worksheet | Evidence-Based ReadingEngage your students in high-level critical thinking and evidence-based analysis on the subject of Texas Wildlife & Forestry, with this Full Length DBQ CER Style Worksheet. This resource is designed to help students analyze real-world topics, interpret informational texts, and support answers with evidence—all while staying accessibl
9th - 12th
Biology, Environment, Reading
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