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Percent Increase and Decrease Quiz - Page 5

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Preview of CHEMISTRY: AP CHEMISTRY: EXAM: IDENTIFICATION OF THE ELEMENTS BY SYMBOLS

CHEMISTRY: AP CHEMISTRY: EXAM: IDENTIFICATION OF THE ELEMENTS BY SYMBOLS

Students are given descriptions and must identify the elements by symbols! A periodic table is provided to help with the symbols. Students can be given this exam for a take home quiz, science center activity, or classroom quiz. They can use the internet to research facts, as well. An answer key is provided. Thanks so much for visiting. Have a wonderful year of learning! Excelsior!
Preview of Chemistry Quantum Numbers Quiz 3 versions (with typed KEY)

Chemistry Quantum Numbers Quiz 3 versions (with typed KEY)

The 6-page Chemistry Electrons Unit Quantum Numbers Quiz is entirely customizable and editable. There are three distinct versions of the quiz, each accompanied by a corresponding answer key. Version C, denoted as a "practice quiz," is specifically crafted for comprehensive review purposes. This quiz is great for testing quantum and is designed to be complete in under 20 minutes. Should the problems not align with your requirements, feel free to add or remove problems, given the file's editable
Preview of Assessing Lab Safety | Chemistry | Middle School High School

Assessing Lab Safety | Chemistry | Middle School High School

Created by
Chemistry DLP
Assessing Lab Safety | Editable Lab Safety Assessment for Middle & High School Science This flexible and editable lab safety assessment is the perfect way to evaluate your students' understanding of science classroom rules, safety equipment, and proper lab behavior. Whether used as a pre-assessment, exit ticket, or formal lab safety quiz, this tool helps ensure your students are prepared to work safely and responsibly in the lab. What’s Included: ✅ Lab Safety Assessment (PDF format)
Preview of M&Mium Isotope Lab: A Sweet Introduction to Mass Spectrometry

M&Mium Isotope Lab: A Sweet Introduction to Mass Spectrometry

oking for an engaging, hands-on way to teach isotopes, percent abundance, and average atomic mass in AP Chemistry? This M&Mium Isotope & Mass Spectrometry Lab transforms abstract concepts into a student-driven modeling experience where learners act as scientists analyzing a fictional element using real data. Students use M&M candies to represent isotopes, collect and analyze quantitative data, and apply their results to build mass spectrometry understanding—all while developing essential AP Chem
Preview of GRAPHENE: A WONDROUS MATERIAL:  QUIZ  T/F W/1 XTRA CRED. GRS.6-12, MG,  AP CHEM

GRAPHENE: A WONDROUS MATERIAL: QUIZ T/F W/1 XTRA CRED. GRS.6-12, MG, AP CHEM

This quiz has 20 statements. It is a t/f quiz. Graphene is under development and shows promise in so many areas of concern. It can convert organic materials. An answer key is provided. This product will be useful in electronic devices replacing silicon! That is amazing. Use this for an internet open quiz, a homework assignment, or even in a science center. Thanks so much for visiting. Science is forever progressive! Up America! Up chemistry! Excelsior!
Preview of AP Chemistry Unit 1.4 Composition of Mixtures

AP Chemistry Unit 1.4 Composition of Mixtures

Looking for structured, AP-aligned practice to help students understand mass percent and parts per million (ppm)? This AP Chemistry Unit 1.4 resource provides scaffolded problem sets and AP-style free-response questions (FRQs) designed to help students apply the correct mathematical relationship, show their work clearly, and understand how points are earned on assessments. What’s Included✔ Scaffolded problem set focused on mass percent and ppm calculations ✔ AP-style FRQs aligned to Unit
Preview of Relative Atomic Mass Worksheet with Isotope Calculations + Marking Guide

Relative Atomic Mass Worksheet with Isotope Calculations + Marking Guide

Looking for a ready-to-use chemistry worksheet to reinforce isotope and relative atomic mass calculations? This Relative Atomic Mass Practice Worksheet is perfect for high school chemistry classes, covering essential skills like interpreting mass spectra, calculating weighted averages of isotopes, and applying real data to solve for unknown values. ✨ What’s Included: ✅ 4 multi-step questions focused on isotope abundance and average atomic mass ✅ Realistic data tables (e.g., chlorine, potassiu
Preview of Asteroid Mining Debate - Chemical Reactions - 8-10 MYP Middle School Science

Asteroid Mining Debate - Chemical Reactions - 8-10 MYP Middle School Science

Get your middle school science class talking with this chemistry / earth and space science discussion activity on asteroid mining, recommended for grade 8-10 students learning about chemical reactions and bonding! Designed with MYP in mind but appropriate for any middle school, high school, international, or homeschool STEM curriculum. Students take on one of 5 character roles to discuss the benefits and risks associated with harvesting resources in space. In the process, they will discuss m
Preview of AP Chemistry Lab 1: Measurement and Density Investigation

AP Chemistry Lab 1: Measurement and Density Investigation

A polished AP Chemistry first-lab packet focused on measurement quality, density, percent error, and evidence-based identification of an unknown sample. What's included: - Editable AP Chemistry lab DOCX - Teacher prep snapshot - Materials/setup and safety guidance - Student lab packet with clean response spaces - AP-style analysis or practice questions - Teacher answer key and scoring guide Skill focus: - measurement tools - significant figures - density - percent error - error direction
Preview of Molecule Madness - Activation Energy

Molecule Madness - Activation Energy

This game explores Activation Energy—the minimum energy needed for molecules to collide and react, much like the force needed to strike a match. Think of it as pushing a boulder over a hill: once pushed far enough, it rolls down, and the reaction occurs. Activation energy is the potential energy needed for molecules to reach the point of interaction, often supplied by heat through increased collisions. In this lesson, students physically model the chemistry concept of activation energy by playin
Preview of Introduction to Percent Yield GATE Middle School Reading Worksheet

Introduction to Percent Yield GATE Middle School Reading Worksheet

Reading Passage written at a 9th grade level for advance level middle school readers and focused on the Introduction to Percent Yield lesson in Middle School Chemistry & Physical Science. See Thumbnails for more details. Simply purchase, download and copy! Great differentiation for more advanced readers10x short answer questions based on the readingUnlike other teacher's resources, this is totally editable!**Answer Key Included**Be sure to check out my other products down below!Copyright © Rod's
Preview of AP Chemistry Lab 2: Hydrate Formula Investigation

AP Chemistry Lab 2: Hydrate Formula Investigation

An AP Chemistry hydrate lab that pushes students to use mass loss, mole ratios, and evidence-based error reasoning to determine a hydrate formula. What's included: - Editable AP Chemistry lab DOCX - Teacher prep snapshot - Materials/setup and safety guidance - Student lab packet with clean response spaces - AP-style analysis or practice questions - Teacher answer key and scoring guide Skill focus: - heating to constant mass - percent water - mole ratios - hydrate formula - error analysis
Preview of S3.2 Homologous Series (IBDP Chemistry)

S3.2 Homologous Series (IBDP Chemistry)

This PowerPoint lesson introduces homologous series in organic chemistry for IBDP Chemistry (first examination 2025) and explains how organic compounds are grouped based on their functional group and structure. It helps students understand patterns in organic molecules and predict trends in physical and chemical properties. A homologous series is a family of organic compounds that share the same functional group and general formula. Members of the same series have similar chemical properties but
Preview of Gravimetric analysis of a metal carbonate, Chemistry lab experiment.

Gravimetric analysis of a metal carbonate, Chemistry lab experiment.

Created by
jocelyn roger
This easy to follow (AP) chemistry lab experiment is intended to complement your teaching on Percent Composition, Percent by mass, Concentration of Solutionor as an integral part of your Stoichiometry unit. The activity utilizes concepts of the mole, molar mass, molarity and limiting and excess reagents. The lab handout includes an illustrated materials list and a simple and clear procedure. The lab activity uses chemicals easily sourced at any chemical supplies store. The detailed illustrated
Preview of Chemistry lab: Percentage of copper in brass

Chemistry lab: Percentage of copper in brass

Created by
jocelyn roger
This easy to follow (AP) chemistry lab experiment is intended to complement your teaching on Percent Composition, Percent by mass, or as an integral part of Concentration of Solution. The activity utilizes concepts of the mole, molar mass, molarity and the Beer-Lambert law. The lab handout includes an illustrated materials list and a simple and clear procedure. The lab activity uses chemicals easily sourced at any chemical supplies store and a brass sample procured from a hardware store. The d
Preview of A.I. Character Chatbot Interview: Mendeleev | A.I. Literacy + STEM Physical Sci

A.I. Character Chatbot Interview: Mendeleev | A.I. Literacy + STEM Physical Sci

Created by
JenFinnScience
Use Artificial Intelligence in your Science Class purposefully to explore the development of the Periodic Table and its properties, such as increasing atomic mass, by Interviewing Dmitri Mendeleev! Use MagicSchool (MagicStudent) Rooms to create a Scientific Historic Character for students to Interview by following the easy, included instructions, OR have students use the included "Role Prompt" with ChatGPT, Gemini, Copilot or Raina, for a fun and educational dive into Dmitri Mendeleev and the d
Preview of AP Chemistry LO 5.11 Catalysis  | FRQ-style Practice | Editable + Key

AP Chemistry LO 5.11 Catalysis | FRQ-style Practice | Editable + Key

This resource helps students understand how catalysts provide an alternative reaction pathway with lower activation energy, increasing the rate without changing the overall reaction or enthalpy. Through clear, mechanism‑based practice, students identify catalysts and intermediates, analyze catalyst regeneration, and compare uncatalyzed and catalyzed pathways. Featuring both generic and acid‑catalyzed mechanisms, this LO 5.11 set gives students the conceptual and mechanistic fluency they need to
Preview of What Periodic Element Are You? - Engaging Personality Quiz for Science Classroom

What Periodic Element Are You? - Engaging Personality Quiz for Science Classroom

Created by
QuizBreakers
Teachers Pay Teachers Listing: "What Periodic Element Are You?" QuizWhat Periodic Element Are You? - Engaging Personality Quiz for Science Classrooms Spark curiosity and excitement in your science classroom with this fun and interactive "What Periodic Element Are You?" personality quiz! Designed to connect students with the periodic table in a unique way, this quiz helps students discover which element matches their personality—will they be the fiery Sulfur, the grounded Calcium, or the vibra
Preview of Ozone Formation Doodle Notes

Ozone Formation Doodle Notes

Created by
Katrina Love
Make your chemistry lessons stick with these engaging Ozone Doodle Notes with Key—perfect for visual learners and interactive classrooms! What’s Included: Eye-catching doodles and diagrams to support comprehension A complete answer key for easy grading or guided instructionWays to Use: Introduce or reinforce your ozone/atmosphere unit Use as a review before quizzes or tests Pair with videos or readings for a complete lesson
Preview of S3.2 Infrared Spectroscopy, HL (IBDP Chemistry)

S3.2 Infrared Spectroscopy, HL (IBDP Chemistry)

This PowerPoint lesson covers infrared (IR) spectroscopy for IBDP Chemistry HL (first examination 2025), focusing on identifying functional groups and interpreting spectra. It provides a clear, structured approach to analysing IR data and linking absorption peaks to molecular structure. Infrared spectroscopy is an analytical technique used to identify the types of bonds present in a compound based on how they absorb infrared radiation. Chemical bonds vibrate at specific frequencies, and when IR
Preview of 1.3 Elemental Composition of Pure Substances Practice Worksheet AP Chemistry

1.3 Elemental Composition of Pure Substances Practice Worksheet AP Chemistry

AP Chemistry Worksheet: Elemental Composition of Pure Substances (Topic 1.3) — Printable PDF, Editable Doc, Answer Key included Reinforce key skills in percent composition and empirical formulas with this AP Chemistry worksheet aligned to Topic 1.3. This printable resource helps students practice calculating the elemental makeup of compounds, converting between percent composition and empirical formulas, and applying these concepts to AP-style questions. ✅ What’s Included: Student worksheet (pri
Preview of Periodic Table Game (Editable pptx)

Periodic Table Game (Editable pptx)

Created by
Concept Clicks
Turn chemistry class into a fun, competitive learning environment with this Periodic Table Game PowerPoint! The first slides immediately grab attention with fast-paced, quiz-style challenges that help students master groups, periods, and element facts. Includes team challenges, clickable answer prompts, scoring, and timed rounds—perfect for review days, stations, or sub plans. Estimated Slide Count: ~18–22 slides Activities Included: 10+ game questions clickable multiple-choice rounds group
Preview of AP Chemistry Practice Topic 8.3: Weak Acid & Base Equilibrium worksheet

AP Chemistry Practice Topic 8.3: Weak Acid & Base Equilibrium worksheet

This resource includes 9 practice problems to help your AP Chemistry students master Topic 8.3 (Weak Acid and Base Equilibria) in Unit 8: Acids and Bases. Students will use percent ionization, pH, and initial concentrations to calculate values for weak acids and bases. The worksheet is provided in PDF format, and an answer key is included. Learning Objective 8.3.A Explain the relationship among pH, pOH, and concentrations of all species in a solution of a monoprotic weak acid or weak base. How
Preview of CHEMISTRY: WATER: IS IT TWO DIFFERENT LIQUIDS? AP CHEM, CHEM, MG, GRS.7-12

CHEMISTRY: WATER: IS IT TWO DIFFERENT LIQUIDS? AP CHEM, CHEM, MG, GRS.7-12

This cryptogram covers the distinct weirdness of water. It can actually act like 2 different liquids. The cryptogram is a challenging way to have fun, and increase facts about science. Use it for a fun homework activity, and to practice deciphering skills. An answer key is provided. Chemistry paves the way to our future! Excelsior!
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