Curated OER
Changing Planet: Ocean Acidification - the Chemistry is Less than Basic!
A video and laboratory investigation are highlights to this lesson on acidification of ocean water due to increased atmospheric carbon dioxide. Using bromothymol blue (BTB) as an indicator, pupils analyze the amount of carbon dioxide...
Eastern Michigan University
Energy Flow in a Wetland Ecosystem
How is energy transferred within an ecosystem? What would happen to a food web if one of the organisms was removed? Elementary or middle school ecologists examine these questions and more in a comprehensive 5E learning cycle...
Curated OER
The Air We Have Around Us
Students listen to story, The Lorax, by Dr. Seuss, discuss air quality and how people affect the earth and its atmospheric cycles, and give oral reports on what they have learned.
Exploratorium
Geyser
Although it requires a little extra preparation the first time you use this geyser demonstration, it can be used repeatedly once it has been constructed. This demonstration is useful in showcasing how heat leads to increased pressure and...
University of Wisconsin
Rain Garden Species Selection
The activity really comes to life within its intended unit on starting a rain garden. Working in groups, participants research native plants and coordinate them with the conditions in the designated garden area. Give the class access to...
Curated OER
Changing Planet: The Case of the Leaky Gyre
The fascinating video "Changing Planet: Fresh Water in the Arctic," introduces your oceanographers to the world's gyres. They learn that melting sea ice is making the gyres larger, and that the changes could, in turn, contribute even...
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.
Chicago Botanic Garden
Introducing Ecosystem Services
Purifying air and water, providing soil in which to grow crops, and moving water through its natural cycle are all services an ecosystem provides that benefit humans. Lesson four in a series lets learners explore and discuss the value of...
Nuffield Foundation
Nitrogen-Fixing Bacteria in Root Nodules of Leguminous Plants
Fixin' to add a great resource to your plans? Scholars perform an experiment to investigate nitrogen-fixing bacteria from plant roots. Along the way, they learn about the concepts of symbiosis and mutualism.
Curated OER
Deformed Frogs! - The Parasite Hypothesis
This project provides students the opportunity to investigate parasites as a possible cause of the observed frog deformities. It asks students to view web-based evidence and interpret whether it supports the parasite hypothesis. Students...
Polar Trec
Permafrost Thaw Depth and Ground Cover
The thaw depth of tundra creates a positive feedback loop with both global warming and the carbon cycle. Scholars sort photos and develop a hypothesis for ground cover and permafrost depth. Then they review the data and measurements...
Curated OER
Earth: Our Big Blue Marble
Students investigate Earth and its resources. In this Earth, space, and nature lesson plan, students collaborate to design presentations on the Earth, its cycles, and how humans have impacted the planet. Images, diagrams, and background...
Science Matters
Energy Flow
Budding scientists work collaboratively to reenact energy flow in a food chain. Scholars take on roles such as producer and consumer and perform tasks that symbolize energy flow in order to provide evidence of how much energy passes...
Curated OER
Building Soil Nature's Way: Exploring decomposition and soil health
Students explore decomposition and soil health by creating their own garden. In this agriculture lesson, students build a "lasagna garden" with organic matter found in the area and plant perennials native to their region....
Curated OER
Endocrine System - Hormones
Use this attractive PowerPoint to introduce all the hormones and their functions to your students. As students view each slide, they should be able to see the relevance of many of the chemicals and their interaction with the human body....
Curated OER
Endocrine System: Hormones
The many images and labeled diagrams in this PowerPoint will help learners understand different areas of the endocrine system. The slide
show starts with information about the absorption of lipid and protein based hormones, and then...
Curated OER
The Amazing Ant
Students explain that ants are an important element of nature's balance. Ants eat many insects and are food to other animals. They watch a video and conduct hands-on activities that give them an excellent overview of the ants role in...
NOAA
Climate, Weather…What’s the Difference?: Make an Electronic Temperature Sensor
What's the best way to record temperature over a long period of time? Scholars learn about collection of weather and temperature data by building thermistors in the fourth installment of the 10-part Discover Your Changing World series....
Serendip
Using Models to Understand Cellular Respiration
Energize biologists with colorful images in an activity that captivates the imagination while demystifying the subject of cellular respiration. Participants build comprehension skills and access core content knowledge by analyzing text...
Curated OER
2nd Grade - Act. 25: Creature Creation
Create a creature using some of the characteristics of a real animal. Second graders will read a book from the "Froggy," series by Johnathan London to learn about the characteristics of frogs. After discussing and recording various...
Curated OER
Group 15, The Nitrogen Group
This short presentation provides a convenient introduction to the nitrogen group in the periodic table of elements. A graphic displays where they are placed in the periodic table. The nitrogen cycle is mentioned and ammonia is explained....
Curated OER
Alcoholic Fermentation in Yeast
Biology classes will bubble with excitement as they complete this assignment. Beginning with an informative overview of cellular respiration and fermentation processes, the highlight comes as an experiment in determining the rate of...
Curated OER
Dissolved Oxygen and Temperature
Young scholars are shown how temperature affects dissolved oxygen and they create a graph showing this relationship. They think about the adaptations of animals to live in different water temperatures. Students test four different water...
Curated OER
Trophic Relationships, Cycling of Chemicals, Human Impact on Ecosystems and Conservation
Students explore how the energy flow through a system is related to trophic levels. They investigate how organisms affect the cycling of elements and water through the biosphere. Students participate in lab activities to observe ways...