Percent Increase and Decrease Quiz - Page 19
1,300+ results
Filters
Grade
Subject
Format
Resource type
Standard
Theme
Programs & methods
Supports
AP Chemistry Unit 4 Worksheet | Chemical Reactions | Stimulus Set
Net ionic equations and limiting reactant calculations appear on the AP exam every year.Covers redox analysis with oxidation state tracking (permanganate + HCl), half-reaction balancing in acidic solution, stoichiometry with limiting reactants and percent yield (thermite and aspirin), and hydrate analysis. The stimulus set presents a 4-trial PbI₂ precipitation experiment — students write the net ionic equation, calculate theoretical yield and percent yield, and explain why different trials produ
9th - 12th, Higher Education
Chemistry
Entropy and the Expanding Universe | CMB Physics Lesson
Help students explore one of the most fascinating connections in modern physics: how the Cosmic Microwave Background (CMB) provides evidence for the Big Bang and helps us understand the Second Law of Thermodynamics and the increase of entropy in the universe.This engaging physics presentation guides students through the relationship between the early universe, temperature changes, entropy, and the expansion of space, helping them connect cosmology concepts to thermodynamics principles they a
9th - 12th, Adult Education, Higher Education
Astronomy, Physical Science, Physics
NGSS
HS-PS3-4
, HS-ESS1-2
AP Chemistry LO 1.5 Atom & E Config | FRQ-Style Practice | Editable + Key
Build student confidence with AP Chemistry Learning Objective 1.5: Atomic Structure and Electron Configuration through this data‑driven practice set that uses authentic mixture data to develop AP‑level reasoning. Students interpret mass and percent composition information, determine mixture makeup, and support their conclusions with evidence, building the exact skills emphasized on the AP exam. This resource includes two unique data sets (Set A + Set B) aligned directly to LO 1.5. Each set is
9th - 12th
Chemistry
Also included in:Â AP Chemistry Unit 1 Bundle: Atomic Structure FRQ-Style Practice
TED Talk: What is Coronavirus?- Elizabeth Cox
This resource explores the science and risks of coronaviruses through the TED-Ed lesson on their origins, structure, and mutation patterns. Students will learn how coronaviruses spread, why their mutation rate matters for treatments and vaccines, and how human activity increases the likelihood of new pandemics. This resource includes: 20 high school/college-level discussion questions A structured essay prompt linking virology to public health and environmental issues A debate topic with multip
9th - 12th, Adult Education, Higher Education
Biology, Health, Other (Social Studies)
Group 7 Halogens (Editable pptx)
Introduce the halogens with this Group 7 Halogens PowerPoint, designed for Grades 7–10. The first slides define halogens as “salt-formers,” immediately connecting group properties to real-world chemistry. The PPT covers reactivity decreasing down the group, diatomic molecules, physical states, halogen–metal reactions, halogen–nonmetal reactions, displacement reactions, and photographic uses of silver halides. Includes a built-in section check. Slide Count: ~20 slides Activities Included: 1 sec
7th - 12th, Adult Education, Higher Education
Chemistry
Physical Science - Solutions Card Sort Review
Make Learning Engaging with a Card Sort!Add a hands-on, interactive twist to your science lessons with this card sort activity. Designed to reinforce key concepts, this resource helps students distinguish between the types and parts of solutions: Solution, Solute, Solvent, Unsaturated, Saturated, and Supersaturated. How It Works:Print and cut out the card pieces provided.Have students work individually or in pairs to sort each card under the correct heading.Use this as a quick formative assessme
7th - 12th
Chemistry, Physical Science
AP Chemistry LO 4.5 Stoichiometry | FRQ-style Practice | Editable + Key
Help students master AP Chemistry Learning Objective 4.5: Stoichiometry with this data‑driven practice set that builds conceptual understanding through real chemical data. Students will Students will perform calculations to determine the limiting reactant, theoretical and percent yield. This resource includes two data sets (Set A + Set B) aligned directly to LO 4.5. Each set is fully editable and paired with student‑ready PDFs and a detailed answer key and scoring guidelines. PERFECT FORDai
9th - 12th
Chemistry
Also included in:Â AP Chemistry Unit 4 Bundle: Chemical Reactions FRQ-style Practice
AP Physics 1 | Energy, Work & Power 3-Stage Mastery Practice Set + Answer Key
✨This Energy, Work, and Power Practice Set is designed to move students beyond memorizing formulas and into true exam-ready problem solving. ⚠️ Knowing content ≠exam readiness. This resource intentionally builds exam-aligned physics skills through structured progression and increasing rigor. 🎯 Why This Resource Works Guided practice builds Can Do: Scaffolded Levels 1–2 help students gain confidence with calculations and concepts. Repeated AP-style practice builds Fluency: Level 3 challen
9th - 12th
General Science, Physical Science, Physics
CCSS, NGSS
HSN-Q.A.1
, HSN-Q.A.2
, HSN-Q.A.3
 +6
AP Environmental - Transportation Energy Alternatives : Worksheets | Grade 9-12
Are you ready to delve into the vital topic of transportation energy alternatives in your AP Environmental Science classroom? This comprehensive resource is crafted to guide high school students through the intricacies of sustainable transportation methods. With increasing awareness of climate change and environmental degradation, understanding these energy alternatives has never been more essential. This product not only supports teachers in effectively delivering this critical content but als
9th - 12th
Earth Sciences, Economics , Physical Science
What's in Your Soda? - A Distillation Lab (Crisis Chemistry PBL)
Kick off your AP Chemistry course with an engaging, real-world investigation that gets students thinking like chemists on day one! In this hands-on lab, students use a simple distillation setup to separate a common mixture—soda—and determine the percent of water in their sample. Through observation, analysis, and calculation, students connect core Unit 1 concepts to a meaningful scenario involving water purification after a natural disaster. What’s IncludedStudent lab handout (print-ready)Clear
10th - 12th
Chemistry, Physical Science
AP Environmental - Conservation and Demand Reduction : Worksheets | Grade 9-12
Are you ready to dive into the essential topic of conservation and demand reduction in AP Environmental Science? This comprehensive resource is designed to support both teachers and students in understanding the critical concepts related to energy resources and consumption. With increasing global awareness of environmental issues, equipping students with the knowledge and skills to conserve resources is more important than ever. This resource will serve as a valuable tool in your classroom, hel
9th - 12th
Earth Sciences, Economics , Physical Science
Dry Ice Science: States of Matter Experiments That WOW! Holy Cow!
Want to blow your students’ minds while teaching science concepts that stick? ❄️ This Dry Ice States of Matter STEM Resource transforms your classroom into a science lab of wonder—while giving you everything you need to teach, assess, and engage! ✨ What’s Included Editable Slides – ready-to-go presentations to introduce and explain states of matter. Vocabulary Cards – reinforce key terms with visuals and definitions. Exit Tickets – quick checks for understanding at the end of the lesson.
PreK - 12th
Basic Principles, General Science, Physical Science
AP Biology UNIT 3 Cellular Energetics 3.2 Environmental Impacts Lesson Guide
AP Biology Unit 3: Environmental Impacts on Enzyme Function (3.2)Transform enzyme kinetics from abstract to unforgettable with this visually stunning, curriculum-aligned resource. Combining scientific rigor with bold, Pixar-inspired graphics, this set makes temperature, pH, and inhibition concepts stick. 💡 What's Inside13 comprehensive pages covering how environmental factors—temperature, pH, substrate concentration, and inhibitors—affect enzyme function, aligned to the latest AP Biology CEDVis
9th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
 +7
Scientific Inquiry Penny Lab Day 2 with Honors Questions
This lab is designed as a follow up to the Penny Lab Day 1. It explores the variables (manipulated) that can have an effect on how many drops of water will fit on a penny. It's a great formative assessment to see how much they know about controlled experiments. This activity supports Grade Seven California State Science Standard 7 - Scientific progress is made by asking meaningful questions and conducting careful investigations.
5th - 10th
General Science, Other (Science)
APES Unit 7 Photochemical Smog Skills Builder – Data Analysis Activity
🧰 APES Unit 7 Photochemical Smog Skills Builder — Graph, calculate, and justify using real summer NOx and ozone data in this focused AP® exam practice lesson. Students identify emission sources, construct the reaction model, analyze 24-hour concentration data, calculate percent change, evaluate a claim, and propose a justified solution — all in one structured 45–50 minute activity. The scaffolded format strengthens the APES Science Practices students must demonstrate on the AP® exam. 🛠️ Ski
9th - 12th, Higher Education
Environment
NGSS
HS-ESS3-4
AP Environmental - Freshwater Scarcity and Distribution: Worksheets | Grade 9-12
Are you ready to dive deep into the critical issues surrounding freshwater scarcity and distribution? This comprehensive resource is designed specifically for AP Environmental Science students, helping them to understand the pivotal role that freshwater plays in our ecosystems and human activities. With increasing concerns about water availability globally, this lesson on freshwater scarcity is essential for students aiming to excel in their AP exams and grasp real-world environmental challenge
9th - 12th
Biology, Earth Sciences, Environment
Also included in:Â AP Environmental Science - UNIT 5 - Land and Water Use Worksheets Bundle
AP Environmental Science Unit 1 Homework Bundle | Print and Assign!
AP Environmental Science Unit 1 Homework Bundle: Ecosystems, Energy Flow & Primary ProductivityThis AP Environmental Science Unit 1 Homework Bundle includes three focused, standards-aligned homework assignments designed to reinforce key ecosystem concepts. Each assignment is concise, rigorous, and ideal for practice, review, or formative assessment. Perfect for busy teachers, this bundle provides ready-to-use homework that builds understanding of how ecosystems function through organization, ene
9th - 12th
Biology, Environment
Making Natural pH Indicators Lab
Students will explore pH and natural indicators by testing common items. This lab is differentiated to three different levels of inquiry to allow you to cater the lab to the needs of your students. Answer Key included for pre and post-lab questions and the lab quiz.
Indicators students will make come from:
Beet
Red cabbage
Black tea
Phenolphthalein (found in laxatives)
Blueberry
Rose Petal
Red Zinger Herbal tea
Grape juice
Test solutions:
Acetic acid
Sprite
Water
Baking soda
Milk of
6th - 12th
Science
Naming Branched Hydrocarbons
Naming Branched Hydrocarbons Worksheet This focused practice worksheet helps students master IUPAC naming of branched hydrocarbons by applying a clear, step-by-step naming process. Students analyze structural formulas, identify the longest carbon chain, determine correct numbering, name substituents, and construct the full systematic name. Perfect for reinforcing: Identifying the parent chain Correct numbering for lowest locants Naming alkyl substituents Applying proper hyphen, comma, and alph
11th - 12th, Higher Education
Chemistry
Factors & Multiples: A Visual Approach Grade Level: 4th – 5th (Editable)
Factors & Multiples: A Visual ApproachGrade Level: 4th – 5th GradeDescription: A highly visual explanation of factors using arrays of stars and footballs to show how numbers can be arranged in rows and columns. It clearly distinguishes between factors and multiples and includes a True/False quiz.How to Use: Excellent for Conceptual Understanding. The visual arrays help students "see" what a factor is. End the lesson with the interactive True/False quiz as a whole-class exit ticket.Stats: 30 Slid
7th - 12th, Adult Education, Higher Education
Algebra, Math Test Prep, Physics
Periodic Table Test (Editable pptx)
Assess student understanding easily with this Periodic Table Test PowerPoint, perfect for Grades 6–10. The opening slides quickly highlight essential concepts—groups, periods, metals, nonmetals, atomic structure—to prep students before testing. Includes structured questions, diagrams, multiple-choice items, and fill-in-the-blanks. Estimated Slide Count: ~12–16 slides Activities Included: 1 full periodic table quiz 1 atomic structure review task 1 metals/nonmetals classification exercise peri
7th - 12th, Adult Education, Higher Education
Biology
Visual Puzzles | Bell Ringers, Early Finisher, STEM, STEAM, Problem Solving
Start your class with a brief 5 minute puzzle activity and challenge your students to visually problem solve and help expand their critical thinking skills! Solving visual puzzle problems have been proven to improve visual-spatial reasoning, enhanced problem-solving skills, increased attention to detail, improve memory, and patience. This "pack" includes: One worksheet with five problems for each day of the weekAnswer sheet and hints to help students solve problemsDigital Google Slides version
5th - 12th
Other (Arts), Other (Science), Visual Arts
AP Chemistry Practice Topic 4.5: Stoichiometry worksheet
This resource includes 6 multi-part practice problems to help your AP Chemistry students master Topic 4.5 (Stoichiometry) in unit 4: Chemical Reactions. There are two general stoichiometry problems, and four problems where students will need to determine the limiting reactant, and determine theoretical yield or percent yield. The worksheet is provided in PDF format, and an answer key and worked out solutions are included. Learning Objective 4.5.A Explain changes in the amounts of reactants and
8th - 12th, Higher Education
Chemistry, Physical Science
Also included in:Â AP Chemistry Unit 4: Chemical Reactions Worksheet Bundle
Levels of Biological Classification Digital Simulation Tour
This project is perfect for digital or distance learners. Students learn detail about each level of biological classification in an engaging and fun format. There are links to multiple free manipulatives and resources. Students are guided through a three-dimensional experience, which increases engagements and knowledge retention. This product can be purchased by itself or as part of a 5E Unit plan bundle!
8th - 12th
Biology, Environment, General Science
NGSS
HS-LS1-2
, HS-LS2-4
Showing 433-456 of 1,300+ results
TPT is the largest marketplace for PreK-12 resources, powered by a community of educators.
IXL family of brands