Curated OER
Simplified Botany--Leaf Chromatography
Students investigate the different pigments contained in green leaves by completing an experiment that strips away the chlorophyll and separates the pigments left behind.
Curated OER
Amounts of Dissolved Oxygen in Various Bodies of Water
Students test water to determine the dissolved oxygen content while displaying the proper use of testing instruments while visiting water testing sites. They determine if the amount of dissolved oxygen is appropriate for the tested...
Curated OER
Build a Coral Polyp
Students build a coral polyp out of a banana, straw, oyster crackers, sprinkles, and more. In this coral polyp lesson plan, students also list the differences between plants and animals.
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.
Curated OER
Stoichiometry, Percent Yield and Limiting Reagents: practice problems
The questions here present situational problems and calculations to help your students understand the application of the math and data analysis practice.
Curated OER
Plankton in the Air
Here is a lab activity adequate for use with any full lesson on environmental factors that shape animal adaptations or marine animal characteristics. Pupils will discuss the role plankton plays in the environment and filter-feeding...
Normal Community High School
Chemical Equations
Viewers learn how to identify the substances in a chemical reaction, how to balance it, and the different types of chemical reactions by watching a presentation that also includes a review of monomers and polymers. The presentation...
National Institute of Open Schooling
Chemical Thermodynamics
All chemical reactions require energy. To explore thermodynamics, classes read and discuss its laws, exothermic and endothermic reactions, enthalpy in many forms, calculate enthalpy problems, and use Hess' Law to calculate enthalpy of a...
National Institute of Open Schooling
Biomolecules
An informative lesson has learners read about, discuss, and study the classification, structure and importance of the following biomolecules: carbohydrates, proteins, lipids, nucleic acids, and enzymes.
National Wildlife Federation
The Amazing Adventures of Carbon: How Carbon Cycles through the Earth
Here's a stat for your pupils: 18 percent of the human body is carbon! Part 10 in the series of 12 takes pairs on an adventure through the carbon cycle. After a class reading about carbon, pairs read and choose their own adventure...
National Institute of Open Schooling
Coordination Compounds
Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...
Biology Junction
Plant Diversity
Ginkgo trees existed for more than 350 million years, and, at this time, only one species still remains. While plant diversity generally increases over geologic time, some interesting exceptions occur. Young scientists learn about plant...
Biology Junction
Energy Flow in an Ecosystem
Every living thing requires a food source, thus the interconnections in ecosystems become complex. Scholars learn about these interconnections in a presentation on energy flow. It starts with the sun and moves through many different...
Curated OER
Cellular Respiration Oxidation of Pyruvate Krebs Cycle
Diagrams with annotations are shown on each of these eighteen slides, which summarize the processes of respiration. The focus is on the 3-step oxidation process and the Krebs cycle. Students should be able to follow these slides...
Curated OER
Stomata
Students explore what the stoma does for a plant. In this botany lesson students complete a stomatal peel experiment and measure its densities.
Curated OER
Using Spectrophotometers to Examine Photosynthetic Rates
Students examine how photosynthetic rates can change by using different qualities of light. They practice using spectrophotometer and the scientific method to detect the absorbance values in light treatments.
Curated OER
Glucose Factory
Fourth graders determine, through laboratory activity, the presence or absence of glucose in a variety of plant leaves and stems. They work in groups and perform a three part laboratory which shows them how plants convert sunlighht to food.
Curated OER
Producers and Energy Transfer
Fifth graders discuss the relationship between producers, consumers, and decomposers as they look at the energy pyramid. While working in small groups, they create an ecosystem that includes all or some of the given categories, and they...
Curated OER
A Walk in the Woods
Eighth graders observe and identify the different levels of the forest. In this forest zones lesson students observe, identify and name a variety of forest components and describe how humans impact the forest ecosystem.
Curated OER
Food Webs
Students recognize interdependence in a food web by using yarn and notecards to create a food web and discussing what would happen if one of the organisms from a certain trophic level is removed.
Curated OER
Food Webs
Pupils create a bulletin board display illustrating food chains they make from a list of ocean organisms. Students also play a game showing what happens when one of the organisms is removed from the food chain and how they are all...
Curated OER
Energy in Cells
In this biology learning exercise, 9th graders explain how producers make their own food. Then they describe the food chain and what the end products are of respiration. Students also describe how muscles continue to get energy during...
Curated OER
Using A Winogradsky Column to Analyze Microbial Communities
Students use easily obtained materials to study ecological succession in a microbiological community. This investigation is appropriate for a variety of age groups. Elementary Students be fascinated by the changes occurring over time...