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Cell Size Worksheet: Surface Area, Volume and Ratio Calculations
For this assignment, students will practice surface area and volume calculations for cubes, spheres and rectangular solids. There are also application questions that focus on how cell size impacts cell efficiency and function. This print & go activity can be used to teach cell size for the first time or can be used to reinforce the content. It can be implemented in Biology, Advanced Biology or AP Biology courses. This could be used as independent student work, sub plans, or as a class lesson.
9th - 12th, Higher Education
Basic Principles, Biology, General Science
Also included in:Â Cell Size: Surface Area, Volume, and Ratios BUNDLE
Butterfly Pea Flower Buffer Simulation Activity (Advanced Biology/AP/Worksheet)
This engaging activity introduces students to the critical role of buffers in maintaining homeostasis. Using butterfly pea flower tea as a natural pH indicator, citric acid as an acid source, and baking soda solution as a buffer, students investigate how biological systems resist drastic pH changes. Students will record data, construct graphs, and connect their results to real-world biological systems such as blood pH regulation, lactic acid buildup during exercise, and ocean acidification. Stan
8th - 12th, Adult Education, Higher Education
Basic Principles, Biology, Chemistry
NGSS
HS-LS2-7
, MS-LS2-3
, MS-LS1-3
 +8
What Does It Mean to Be Alive (Advanced Biology/Worksheet)
Challenge your students to think beyond memorization with this rigorous and engaging biology activity that redefines what it means to be alive. Perfect for high school or honors biology, this resource combines molecular biology, cell theory, biochemistry, and evolutionary theory to help students apply scientific reasoning to real-world and theoretical examples like viruses, fire, robots, and synthetic cells. Standards Alignment: NGSS HS-LS1-1: Structure and Function NGSS HS-LS1-2: Systems of Spe
7th - 12th, Adult Education, Higher Education
Basic Principles, Biology, Environment
NGSS
MS-LS1-2
, HS-ETS1-2
, MS-LS1-3
 +8
Disturbance Ecology: Natural Disasters (Advanced/AP/Worksheet)
Overview: Explore how natural disasters reshape ecosystems with this in-depth, NGSS-aligned resource on disturbance ecology. Designed to develop systems thinking, this multi-part lesson guides students through case studies, ecological modeling, and evidence-based argument writing. Students will analyze the cascading effects of wildfires, floods, hurricanes, droughts, and volcanic eruptions on biodiversity, nutrient cycling, succession, and evolutionary adaptation—perfect for high school and adva
6th - 12th, Adult Education, Higher Education
Basic Principles, Biology, Environment
NGSS
HS-LS2-7
, MS-LS2-5
, MS-LS2-4
 +10
Biodiversity Indices Worksheet (Biology/Worksheet)
This engaging and standards-aligned AP Biology resource dives deep into the science of biodiversity and how we quantify it. Students explore and compare four major biodiversity indices—Simpson’s Diversity Index, Shannon-Weiner Index, Species Richness, and Pielou’s Evenness—through scaffolded explanations, real-world data scenarios, and critical thinking prompts. It’s perfect for introducing ecological data analysis or enhancing your biodiversity or ecosystem unit. Standards Alignment: NGSS (High
8th - 12th, Adult Education, Higher Education
Basic Principles, Biology, Environment
NGSS
HS-LS2-7
, MS-LS2-2
, MS-LS2-5
 +5
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
9th - 12th, Higher Education
Basic Principles, Chemistry, General Science
Simpson’s Diversity Index — Biodi. and Eco. Analysis (Advanced/AP/Worksheet)
This advanced biology activity challenges students to calculate, analyze, and interpret biodiversity using Simpson’s Index (D), Shannon-Weiner Index (H'), and Pielou’s Evenness (J). Through real-world datasets, students explore species dominance, ecological resilience, evolutionary pressures, and the impact of human disturbances on biodiversity. This resource builds data analysis, ecological reasoning, and graphing skills aligned with AP Biology expectations. Standards Alignment: NGSS for Mid
6th - 12th, Adult Education, Higher Education
Basic Principles, Biology, Environment
NGSS
MS-LS2-2
, MS-LS2-5
, HS-ESS3-3
 +6
Calculating Empirical Formulas Worksheet | Chemistry Practice Activity
Help your chemistry students master the essential skill of calculating empirical formulas with this clear and easy-to-use worksheet! Perfect for high school chemistry or introductory college courses, this resource guides learners through the steps of: ✅ Determining mass and moles of elements ✅ Calculating mole ratios ✅ Deriving the empirical formula from atomic data This scaffolded resource provides a structured approach ideal for both classroom teaching and homework assignments. Whether you'r
9th - 12th, Adult Education, Higher Education
Basic Principles, Chemistry, Other (Science)
Mastering Dimensional Analysis! Step-by-Step Conversions + Answer Key
Dimensional Analysis Practice Worksheet | Unit Conversions | Factor-Label Method (w/ Answer Key)This comprehensive worksheet set provides students with everything they need to master dimensional analysis and the factor-label method. Perfect for middle school, high school chemistry, physical science, or physics classes, this resource includes 50 scaffolded practice problems, a detailed conversion reference page, and a complete answer key. Students will practice converting between: ✓ Length
7th - 12th, Adult Education, Higher Education
Basic Principles, Chemistry, Physics
Significant Figures Practice and Step by Step Guide
✨ Significant Figures: Rules, Examples & Practice (with Answer Key) Help your students master the tricky rules of significant figures with this comprehensive and engaging worksheet set! Designed for high school chemistry, physics, and math classes, this resource provides clear explanations, step-by-step practice, and a complete answer key for self-checking or easy grading. ✅ What’s Included: Student Practice Worksheet (7 sections):Covers counting sig figs, rounding, scientific notation, multipli
9th - 12th, Higher Education
Basic Principles, Chemistry
CCSS, NGSS
HSN-Q.A.1
, HSN-Q.A.3
, MP6
 +1
Photosynthesis Activity: Use as Stations, Group Work or Independent Work
Do you need a way to review photosynthesis with your students? In this activity your students will read about real world environmental conditions that impact rates of photosynthesis and answer questions about how the environment is effecting the rate of photosynthesis in the plants that live there. This is an easy to implement, print and go activity. This is not a simple "one word answer" worksheet, this will have students think through the photosynthesis process and apply their knowledge to
9th - 12th, Higher Education
Basic Principles, Biology, General Science
Lab Safety Activity: Use as Stations, Group Work or Independent Work
Do you need a way to review Lab Safety with your students? In this activity your students will read about a lab experience and answer questions related to the safety practices that were demonstrated (or lack their of) in each scenario. This is an easy to implement, print and go activity. This activity can be implemented in a variety of ways: STATIONS: Hang up the Lab Safety Scenario Cards around the room, students walk around and answer the questions. GROUPS: In groups, students can go read
6th - 12th, Adult Education, Higher Education
Basic Principles, Biology, General Science
Speciation Activity: Use as Stations, Group Work or Independent Work
Do you need a way to review different types of speciation with your students? In this activity your students will read case studies that cover different types of speciation and answer questions about them. This is an easy to implement, print and go activity that will have your students apply there knowledge of genetics and apply it to real world scenarios. The depth of application makes this assignment best fit for an advanced or AP Biology class. The different case studies in the activity r
8th - 12th, Adult Education, Higher Education
Basic Principles, Biology, General Science
The Hardy-Weinberg Theory: Reading, Equation Breakdown, Practice Problems
Do you need a way to introduce or review the The Hardy-Weinberg Theory (and Equation) with your students? This assignment is perfect for helping your students learn or review: What is the Hardy-Weinberg Theory?When is it used? Real-World ApplicationEquation Breakdown (with practice problem showing work) Practice Problem Set This assignment is perfect for teaching the Hardy-Weinberg Theory for the first time or a great review to students who have already had exposure to the content. It is also a
9th - 12th, Higher Education
Basic Principles, Biology, General Science
Online Interactive: Cell Size, Surface Area to Volume Ratios
Do you need a way to teach and reinforce cell size with your students? In this activity your students will use an online interactive to look at the importance of small cell size. Key Concepts: - Importance of Cell Size - Surface Area (equation & function for cell) - Volume (equation & function for cell) - Surface Area to Volume Ratios This print & go activity can be used to teach cell size for the first time or used to reinforce the content. It can be used in Biology, Advanced Biology or AP
9th - 12th, Higher Education
Basic Principles, Biology, General Science
Also included in:Â Cell Size: Surface Area, Volume, and Ratios BUNDLE
Online Interactive: Water Potential and Transpiration
Do you need a way to teach and reinforce water potential with your students? In this activity your students will use an online interactive to breakdown what water potential is, what it's used for and how it relates to transpiration. Key Concepts:- What is water potential? (including equation breakdown) - What are solute potential & pressure potential? (and how do they relate to water potential) - Details of Transpiration (including parts of a plant, solute/water movement in a plant, and
9th - 12th, Adult Education, Higher Education
Basic Principles, Biology, General Science
Also included in:Â Water Potential: Application, Equation & Practice Problems BUNDLE
Video Guide: Speciation (and Reproductive Isolation)
This is a video guide for Speciation by Bozeman Science found on YouTube. Key Concepts:- What causes speciation? - Types of Reproductive Isolation (Geographic, Pre-Zygotic, Post-Zygotic) - Types of Geographic Isolation (Allopatric & Sympatric) - Types of Pre-Zygotic Isolation (Temporal, Mechanical, Behavioral) - Types of Post-Zygotic Isolation (Zygotic Mortality, Hybrid Sterility) - Polyploidy - Gradualism vs Punctuated Equilibrium Format & Implementation:The video is around 11 minutes long
8th - 12th, Adult Education, Higher Education
Basic Principles, Biology, General Science
Video Guide: Positive and Negative Feedback Loops
This is a video guide for Positive and Negative Feedback Loops by Bozeman Science found on YouTube. Key Concepts:- What are Positive and Negative Feedback Loops? - Examples of Positive and Negative Feedback Loops - Focus on Blood Glucose Levels (includes details: beta cells, insulin, alpha cells, glucagon, etc.) - Disruptions to Feedback Loops (explanation of Type I and Type II Diabetes) Format & Implementation:The video is just under 15 minutes long and can be accessed on YouTube. I like to
9th - 12th, Adult Education, Higher Education
Anatomy, Basic Principles, Biology
Video Guide For: 2.2 Cell Size
This is a video guide for 2.2 Cell Size by PoseKnows Biology found on YouTube. Key Concepts:- Importance of Cell Size for Cell Function - Surface Area Calculations - Volume Calculations - Surface Area to Volume Ratios Format & Implementation:The video is just under 17 minutes long and can be accessed on YouTube. I like to have my students do this on their own, opposed to showing the video as a class on the screen. I feel it is best to have them watch the video once without the questions, th
9th - 12th, Higher Education
Basic Principles, Biology, General Science
Also included in:Â Cell Size: Surface Area, Volume, and Ratios BUNDLE
Thermocline Oceans Lab
Looking for a ready to go thermocline lab write-up for you to give to your students? Comes with overall objectives, easy to follow instructions, and lab assessment questions at the end. Learn about and explore the ocean's thermocline through this hands-on and interactive lab for many age levels.
4th - 12th, Adult Education, Higher Education
Basic Principles, Earth Sciences, Environment
NGSS
HS-ESS3-1
, HS-ESS3-5
Mole Concept Chemistry Assignment | Unit 1 | 50-Mark Assessment + Full Marking
This detailed Unit 1 Chemistry Assignment provides a comprehensive assessment of key Mole Concept topics, perfect for senior secondary or introductory chemistry students. Aligned with core curriculum standards, it includes 50 marks worth of calculation-based and conceptual questions that reinforce deep understanding and application of fundamental chemistry skills. Ideal for homework, revision, formative assessment, or end-of-topic evaluation, this resource is easy to implement with the includ
8th - 12th, Adult Education, Higher Education
Basic Principles, Chemistry, General Science
Implications of the Drake Equation
Created by SETI scientist Frank Drake, the Drake Equation is a hypothetical determination of the number of intelligent civilizations in our galaxy capable of communicating with Earth. Each of the eight variables in the equation have interesting implications. Originally designed as a note taking exercise, this lesson plan has numerous links to the sciences and the humanities.
7th - 12th, Adult Education, Higher Education
Basic Principles, Other (Social Studies)
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