Curated OER
Leaf Stomata as Bioindicators of Environmental Change
Learners perform an experiment to determine the stomaltal index on the upper and lower epidermis of two species of leaves. Stomatal densities change in response to changing atmospheric levels of carbon dioxide and to annual rainfall.
Curated OER
Can You SEA Walls?
Students explore how wave energy that is generated and transferred in the ocean. They explore the aspects of a wave and how its energy affects the ecology of the seashore. Students engage in an activity that uses the nature of science...
Curated OER
The Determination of the Presence of Reducing Sugars Using Fehling's Solution
Students investigate different fruits and vegetables for the presence of sugars. In this sugars and Fehling's solution lesson, students test the juice from an onion and a lemon for the presence of sugar by adding Fehling's solution and...
University of Georgia
Endothermic and Exothermic Reactions
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical composition...
University of Georgia
Energy Content of Foods
Why do athletes load up on carbohydrates the evening before a competition? The lesson plan helps answer this question as it relates the type of food to the amount of energy it contains. After a discussion, scholars perform an experiment...
Curated OER
# 18 Gas Chromatography: Introduction and Application
Students are introduced to a gas chromatography using a discovery-based approach. They are presented with a scenario/industrial application where their job is to verify that the company's mouthwash contains a specific percentage of...
Royal Society of Chemistry
Aspirin—The Wonder of Medicine
What do aspirin and the willow tree have in common? Scholars of chemical synthesis engage in a fascinating reaction to make their own aspirin samples. The lab uses thin layer chromatography analysis, includes stoichiometric calculations,...
Curated OER
Teaching the Scientific Method through Exploration of Bacteria and Antibiotics
Learners explore scientific method and scientific investigation They conduct an investigation using bacteria and antibiotics. In addition, they verbalize their experimental results.
Curated OER
Mitosis and Cell Division
Young scholars discover the processes that occur during mitosis and what makes each phase different and distinct from the others as well as how each contribute to the overall process of mitosis by looking at onion root tips under a...
University of Georgia
Using Freezing-Point Depression to Find Molecular Weight
Explore the mathematical relationship between a solvent and solute. Learners use technology to measure the cooling patterns of a solvent with varying concentrations of solute. Through an analysis of the data, pupils realize that the rate...
Florida International University
Counting FishStix
How do we count the fish in the ocean? An engaging instructional activity models how to estimate fish populations with observational surveys. Class members begin by studying the behavior of fish on the coral reef in the oceans. They...
Personal Genetics Education Project
Claims of CRISPR Being Used to Edit Genomes of Twin Girls Born in 2018
Here is an activity that blends genetic technology, literacy skills, and critical thinking. Pupils review background information about cell lines and CRISPR by video and teacher-led discussion. Scholars collaborate to analyze two...
Curated OER
Bioterrorism: Development of a "Superbug"
Students compare bacteria and viruses and their roles in biotechnology and bioterrorism. They outline fundamental steps of bacterial transformation and the possible selection processes to identify transformants. They discuss...
Curated OER
Light and Elements
Here is a full-fledged investigation of light waves, the electromagnetic spectrum, and element spectra. Physicists research a scientist that contributed to our understanding of the behavior of light. They take notes on your lecture, and...
Santa Monica College
The Density of Liquids and Solids
There are underwater rivers that flow on the ocean floor thanks to a difference in density. Scholars learn about the density in both liquids and solids in the second lesson of an 11-part series. They then determine the density of water,...
Teach Engineering
Live Like an Animal
When your parents say that your room's a pig sty, tell them about biomimicry. The sixth installment of a nine-part Life Science unit has scholars research the shelters used by animals in the natural world, like turtle shells. Using the...
Curated OER
Measuring Acceleration
Students create an accelerometer and take measurements of acceleration in a moving car. They study the car speeding up in a straight line, slowing in a straight line and curving at constant speed. They prepare a lab report showing...
Curated OER
Dirt Life
Learners select and collect soil samples from a variety of locations (schoolyard, home, etc.). They do this lab after an interest-generating discussion about "dirt" and microbes. Students make a dilution in sterile water, plate it on a...
Curated OER
Mitosis And the Cell Cycle
Students determine the approximate time a cell spends in each phase of mitosis by counting cells in each phase from a prepared slide. They use a few simple calculations to estimate how long cells spend in each cycle in the body.
Curated OER
An Introduction to Microbes and Microbes Are Everywhere
Seventh graders define the term microbe. They identify the five main groups of microbes. Students give examples of ways in which microbes have impacted or currently impact human life. They create a hypotheses for where they expect to...
Curated OER
Recombinant DNA - Electrophoresis Demonstration and Problem
Suitable for an AP Biology class, the lab found here has teen bioengineers working with plasmids to clone DNA. If you have not done a similar lab, the instructions may be rather difficult to follow. Both the teacher and learner...
Curated OER
Does it Measure Up?
Use this fun activity with youngsters learning how to use rules for measurement. Each is provided with six steps that direct them to draw specific things with specific heights or lengths. For example, they start by drawing a tree that is...
Curated OER
Town Along the Chesapeake Bay
Fourth graders make a drawing of a town along a river off of the Chesapeake Bay in Maryland. Upon completion, they give an oral description of their town, including its houses, stores, businesses, farm area, government, etc., and will...
Curated OER
Truth in Advertising: When to Ask Questions
Students view different commercials and ad campaigns that present opposing notions of "truth." Students use these commercials to evaluate what makes an effective public service announcement (PSA) or advertisement, then choose a national...