LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic table.
Serendip
Is Yeast Alive?
Through two investigations, life science learners determine whether or not yeast is alive. They perform tests for metabolism by providing sugar and observing if gas is produced as a byproduct. They incubate some of the sample for at...
Curated OER
Alcoholic Fermentation in Yeast
Biology learners investigate the effect of sucrose concentration on yeast alcoholic fermentation. During the activity,they compare and contrast the processes of cellular respiration and alcoholic fermentation. They design an experiment...
Curated OER
Biological Sampling Device Using a Sea Perch
Students construct plankton nets to be towed and collect specimens to be examined and analyzed in the classroom. They develop research skills through collection of an aquatic sample. They write lab reports after interpreting, identifying...
Nuffield Foundation
Measuring the Rate of Metabolism
Plant respiration can be a difficult concept for young biologists to grasp; with a hands-on lab, learners can collect and graph data, then calculate the metabolism rate for the plants they studied. If you do not have a respirometer,...
Nuffield Foundation
Identifying the Conditions Needed for Photosynthesis
Budding biologists often ask how scientists know what they do about different topics. In the lab described here, they have a chance to find out first-hand about the requirements for photosynthesis. Three sequential investigations are...
Curated OER
Photosynthesis
Students conduct a variety of experiments on photosynthesis. In this biology lesson, students identify the factors required for the process to occur. They perform computerized experiments to test the amount of oxygen produced when plants...
Curated OER
Plankton / Phytoplankton
Students discuss the importance of plankton in the ocean ecosystem. In this biology activity, students identify the different types plankton by observing them under the microscope. They explain how plankton population affect global climate.
Curated OER
Chlorophyll
Students explain the importance of chlorophyll in plants. In this biology lesson, students extract chlorophyll from different plant sources using chromatography. They discover the different factors needed for photosynthesis to take place.
Curated OER
Glucose
Students conduct various experiments on glucose. In this biology instructional activity, students differentiate the process of diffusion and osmosis. They test different foods for the presence of glucose and starch.
Curated OER
Cell (Biology)
Students conduct a series of activities to explore the nature of cells. In this biology lesson, students observe plant and animal cells under the microscope and compare them. They differentiate osmosis and diffusion.
Curated OER
Bioluminescence
Students differentiate chemiluminescence from bioluminescence. For this biology lesson, students explain how fireflies and other animals emit light. They discuss the applications of engineered bioluminescence.
Curated OER
Proteins
Students conduct a variety of experiments to explore protein. For this biology lesson, students solve a mystery by testing for the presence of glucose, protein starch and triglycerides. They explain how DNA transcription and translation...
Curated OER
Ice Cream: a Taste of Science!!
Learners define the term solution. They explain conservation of energy and energy transfer as it relate to how the milk solution became ice cream. Students are able to explain freezing point depression.
Curated OER
Classroom Aquaponics: Exploring Nitrogen Cycling in a Closed System
Students investigate nutrient cycling in a simplified desktop ecosystem involving aquarium and hydro-ponically grown plants. They set up an aquarium with 10 gallons of water at least a week before the lab is planned and place...
Curated OER
Understanding Interactions Among Local Species and the Local Environment
Students examine the differences between biotic and abiotic factors, explain the difference between habitat and niche and compare how organisms get their nutritional needs. In this local environment lesson students trace the path of...
Sunlight Cal-Tech
Chromatography of Plant Pigments
Through a hands-on activity, an acetone-spinach solution is pre-made and learners use this solution to separate the pigments found in spinach using chromatography. The comprehensive resource includes an analysis and conclusion questions.
Curated OER
Studying Plant Development Through Metabolic Activity
A hands-on activity which allows students to learn about cellular respiration. This lesson contains a range of investigations testing the rates of cellular respiration to demonstrate the relationship between metabolic rates of...
Curated OER
Root Beer: Demonstration of fermentation
Name:__________________________________ Class:________ Date:____________
Curated OER
How Genes Work Lesson Plan
Students define the key terms that are the structure and function of DNA. In this genetics lesson students complete a lab activity in which they construct a model DNA structure.
Curated OER
Investigative Case - Living in an Alkaline Environment
Young scholars are shown many ways in which Mono Lake water and distilled water are different. They demonstrate that the survival of common soil bacteria declines as pH increases. Students examine the behaviors, adaptations, energy...
Curated OER
Analysis of Lobster Claw Function. An Exercise in Biomechanics
Students observe two chelae. They write three differences they observe in their notebooks. Students suggest a hypothesis which would explain these differences. They dissect the chela. Students analyze the lobster claw as a mechanical lever.
Curated OER
Life in Extreme Environments - Lakes Under Ice
High schoolers collect chemical, physical, and biological data from a local lake throughout the year. In addition, students discuss the design of an experimental structure for water collection at several specific depths as well as assess...
Curated OER
Heat Transfer and Pollution
Students perform computer simulations on air dispersion. In this chemistry instructional activity, students calculate energy transfer based on specific heat and temperature change. They explain the causes of smog.