Diffusion Lab
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**Diffusion & Osmosis Lab: Surface Area, Membrane Transport, and Cell Function**
Bring core cellular processes to life with this AP Biology–aligned Diffusion & Osmosis Lab, designed to move students beyond memorization and into true understanding of how cells interact with their environment. This hands-on, inquiry-based lab allows students to investigate two essential concepts: how surface area–to–volume ratio affects diffusion and how solute concentration drives osmosis across membranes. Using agar cubes and dialysis tubing as model systems, students collect real data,
9th - 12th
Biology
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
Just BEET It! Surface Area:Volume Ratio Lab – Diffusion Cell Size Investigation
Bring cell biology to life with this engaging hands-on diffusion lab that helps students understand why cells are small! In this fun and memorable activity, students use beet cubes and hydrogen peroxide as a model system to investigate how surface area to volume ratio affects diffusion. By comparing small, medium, and large beet cubes, students observe how quickly substances penetrate the model “cells” and connect their findings to the efficiency of real biological cells. The playful title “
9th - 12th, Higher Education
Biology, General Science
Diffusion and Osmosis Hands On Lab
In this hands on laboratory investigation, students explore diffusion and osmosis through two different experiments. One experiment involves the use of dialysis tubing while the other involves using potatoes. Students conduct the experiment and collect data. The lab is designed for AP Biology high school courses or General Biology college courses. Students will also answer follow-up questions. Directions are included for students to graph their data using Google Sheets.
11th - 12th, Higher Education
Basic Principles, Biology, General Science
Also included in: General Biology Hands On Lab Manual Bundle
Yeast Respiration & Proton Pumps Lab (AP Biology)
🧪 AP Biology Yeast Respiration & Proton Pumps Lab Active Transport, Cellular Energetics & pH Change (ATP, Data Analysis, Chi-Square, Inquiry, FRQ Practice) Engage your students in a hands-on, inquiry-based AP Biology lab that models how cells use ATP-driven proton pumps to create electrochemical gradients—a key concept in cellular energetics. This plug-and-play lab activity uses yeast and a pH indicator to help students observe how proton movement during cellular respiration changes pH over ti
9th - 12th
Biology
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
Mixtures Rotation LAB
In this hands-on lab, students will explore different types of mixtures by making them themselves! Students will rotate between stations to observe and create heterogeneous mixtures, homogeneous mixtures, solutions and suspensions.
This lab is also easily customizable to include all of the physical properties that you need to cover! Teaching rate of dissolving? Mix the cup of sugar into cold AND warm water and have students make observations. Teaching about diffusion? Have students add
Not Specific
Chemistry, General Science, Physical Science
Cell Size Hands On Lab
In this hands on laboratory investigation, students explore cell size by collecting data on the diffusion within agar cubes. The lab is designed for AP Biology high school courses or General Biology college courses. Students will also answer follow-up questions. Directions are included for students to graph their data using Google Sheets.
11th - 12th, Higher Education
Basic Principles, Biology, General Science
Also included in: General Biology Hands On Lab Manual Bundle
AP Biology Lab | Osmosis & Tonicity in Red Onion Cells Hypertonic vs Hypotonic
AP Biology Plasmolysis Lab | Osmosis & Tonicity in Red Onion Cells | Hypertonic vs Hypotonic Solutions Looking for an engaging, visual, and AP Biology-aligned osmosis lab? This Plasmolysis in Red Onion Cells Lab helps students explore osmosis, passive transport, water potential, tonicity, homeostasis, and cell membrane function through hands-on microscopy investigations! Students observe how red onion cells respond when exposed to hypotonic and hypertonic solutions, allowing them to directly
9th - 12th
Biology
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
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