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
IB DP Environmental Systems & Societies Lab - Soil properties
Lab activity for ESS topic 5.1
Students are introduced to 3 different methods to classify soils and determine their moisture and organic (carbon) content.
Soil classification uses the gravimetric method of placing soil samples in glass gas flasks or graduated cylinders with water, shaking it well and letting the particles fall out of suspension and determine boundaries between sand, silt and clay. These then are plotted on tri-linear soil classification diagrams.
Soil and organic (carbon) conten
10th - 12th
Earth Sciences, Environment
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**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
Lab Safety & Procedures Slides + Posters (30+ Slides, Editable, FREE)
🧪 Lab Safety & Procedures Slides + Posters (30+ Slides, Editable, FREE) Looking for a simple, effective way to teach lab safety AND reinforce it all year long?This resource includes 30+ clean, easy-to-use slides and quick reference posters designed to help you build a safe, structured, and high-functioning lab environment from day one. 👉 Best part: It’s 100% FREE. Because lab safety should be available to every teacher and every student. 📘 What You Get ✔️ 30+ Slide Presentation (Goog
5th - 12th, Adult Education, Higher Education
Basic Principles, Biology, General Science
Also included in: AP Biology FULL YEAR MEGA BUNDLE – 119+ Resources | Complete Curriculum
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