Curated OER
#17 Determining the Accuracy of Selected Laboratory Glassware
Young scholars calculate the volume of a specific mass of water placed in selected pieces of common laboratory glassware, using the density formula. They then determine the accuracy of the volumetric measurement for selected pieces of...
Curated OER
# 14 Experimenting with Copper (II) Solutions
Students determine that the relative concentration of copper ions in water can be determined by a color comparison. They make a copper (II) sulfate solution of a given concentration. Students dilute their initial solutions until their...
Curated OER
Sand Explorations
Students experiment with different samples of sand from Maui leeward and windward beaches. They create a sand map to suggest at least one contributing factor for the formation of each beach sample. They test the samples to determine...
Curated OER
The Living Environment
For this living environment worksheet, students complete a crossword puzzle given 34 clues about the various species in the environment that produce, consume and decompose. Topics also include photosynthesis, respiration, glucose,...
New South Wales Department of Education
History of Plant Classification
Bamboo, the fastest growing plant in the world, can grow up to 35 inches in one day! Pupils learn how plants historically have been classified and determine if these traits are appropriate to use in this 17th lesson of 20. They will also...
Curated OER
Water and Polymers
Students conduct qualitative and quantitative investigations based on the interaction between water and various polymers. They determine the percent moisture contained in various plastics along with a qualitative procedure to determine...
Curated OER
The Study of Molecular Orientation by Linear Dimension Change of Polymeric Films
Students investigate the linear dimension change of heated plastic film and relate the results to processing and service use of the materials. They calculate percent change in dimension as related to anisotropy and molecular reorientation.
Curated OER
Atomic Absorption Determination of Zinc and Copper in a Multivitamin
Advanced lab apprentices prepare zinc and copper solutions to which they will compare the same minerals from a multivitamin. Using absorption spectroscopy, they analyze the contents of the multivitamin for concentration. This lab can be...
Curated OER
Cell Division
Young scholars describe the cell cycle. They make a connection between DNA replication and cell division. Students describe the parts of the cell that participate in cell division and the steps of cell division.
Curated OER
Leaves: All-Natural Solar Collectors
Take a good look at tree leaves and notice the adaptations for collecting solar energy. Pupils trace the margins of five different leaves onto graph paper and count the number of squares covered. They then relate this infomation to the...
Curated OER
Continental Drift
Be sure to come prepared to discuss the theory of Pangaea and the two super-continents, Laurasia and Gondwanaland. Collaborative learners look for fossil evidence that supports the theory that one super-continent divided into two. They...
University of Wisconsin
Conjunction Function
As part of a unit, this lesson familiarizes youngsters with components of a rain garden. They speculate about the role of an assigned component in contributing to a rain garden, and ultimately, in the health of the local watershed. Each...
American Chemical Society
Moving Molecules in a Solid
Who likes magic shows? In the fourth of five lessons, pupils view a scientific magic trick. The ball fits through the ring easily, but then moments later, it won't pass through anymore. What changed? Can we reverse the change? Scholars...
Nuffield Foundation
Observing Earthworm Locomotion
One acre of land can contain more than a million earthworms. Scholars collect earthworms to observe their movements. Once placed on paper, the sound of movement often fascinates pupils. When placed on glass, the earthworm is unable to...
Curated OER
Intrinsic Viscosity
Students treat a high molecular weight polyvinyl alcohol polymer with potassium periodate. They measure the viscosity of polyvinyl alcohols.
Curated OER
Sensational Seaweed
Students compare kelp and land plants. In this sea plant lesson, students look at the role of algae in aquatic environments. They research the properties of kelp and explore seaweed.
Re Energy
Build Your Own Biogas Generator
What is biogas and how is it made? After examining background information about the sources of biogas and biogas generators, class members follow the provided information and build a biogas generator that can be used in the...
Curated OER
Wild Where?
Students investigate why the urban environment is considered a hostile environment; define the concept of endangered species; describe and identify a Peregrine Falcon; describe and identify the eating habits of the Peregrine Falcon.
Curated OER
Fossil Kit II
Youngsters examine four fossil replicas and chart their time periods, vertebrate or invertebrate, and the names of other organisms living at the same time. A specific fossil kit is available for sale if you do not have the same samples....
Curated OER
Adventures in Earth Day: Why Do We Care About Our Environment? - Biology Teaching Thesis
Students are introduced to Earth Day and the importance of this day. They make a collage, students can use articles, pictures, words, etc., in magazines or newspapers or online, that relate to Earth Day, the environment and environmental...
Curated OER
The Greenhouse Effect
Why does it get so hot inside of our cars in the summertime? The greenhouse effect! Lab groups experiment to see what happens to an ice cube enclosed in a jar and placed in sunlight as compared to an ice cube outside of the jar. They...
Curated OER
Volcanoes!: The Dangers of Snow and Ice
Students observe a demonstration of how melting snow and ice can contribute to mudflows. They then observea list of continents with the number of snow and ice covered mountains on each continent and discuss. They then label a group of...
Curated OER
Amazing Carbon
Explore carbon and bonding with this learning exercise. First, class members read a short excerpt about carbon and its characteristics. In response to the reading, they draw an electron dot diagram of carbon as well as diagrams of...
Curated OER
Transport in Plants
Quite a detailed and advanced look at the transport mechanisms of a plant. The absorption and control of sugar and water concentration are explained and will help an understanding of homeostasis concepts and organ specialization.