Nature Research
Nature Education: Energy Economics in Ecosystems
This article discusses how plants and microorganisms, until recently, have mostly controlled how much carbon dioxide is released into an ecosystem, and explains how this process works. Humans' burning of fossil fuels has upset the...
Albright-Knox Art Gallery
Albright Knox Art Gallery: Natural Materials
Students will learn that artists like David Nash use natural materials such as wood to create works of art that incorporate principles of design such as balance, repetition, rhythm, and unity. They will collect their own natural...
PBS
Pbs: Nature: Hawaii's Vulnerable Biodiversity
Because of Hawaii's isolation, endemic species evolved in their own unique way. With the arrival of foreigners and colonization, new species were introduced to the islands. The result being a crisis within the Hawaiian ecosystem,...
American Museum of Natural History
American Museum of Natural History: Water: H2 O = Life
This exhibition illuminates the concept of ecological balance and the challenge of managing the Earth's water supply. Its videos and images help explain just how important water is to sustaining life.
Brigham Young University
World War I Document Archive: On the Nature of War, by Helmut Moltke (The Elder)
The text of a letter from Count Helmuth von Moltke, Chief of the General Staff of the German army, in 1880, to Johann Kaspar Bluntschli, an international law expert. Moltke wrote the letter in response to examining a handbook on war...
University of Groningen
American History: Outlines: Human Nature, Government and Individual Rights
Overview discussion of the views held by Madison and Hamilton that people, in general, need to have written into the law certain checks and balances to guard against abuse of power, protect individual rights and encompass a pluralistic...
Smithsonian Institution
National Museum of American History: Preparing for the Oath: u.s. History and Civics for Citizenship
This site from the National Museum of American History, part of the Smithsonian Institution, is a great site for citizens and those learning to become citizens alike. Review the fifteen themes that deal with U.S. history and civics,...
PBS
Pbs Teachers:denali: The Wolf and the Moose: Predator and Prey Relationships
Examine the predator/prey relationship between wolves and moose in Alaska's Denali National Park and discuss how the balance of nature works between these two animals.
PBS
Pbs Teachers:mammals of Namib: Who's in Charge?
Identify mammals of the Namib Desert, categorize which are predators and which are prey and discuss the balance of nature in Namib.
Wisc-Online
Wisc Online: Balancing Chemical Equations
Match the balanced chemical equations with the appropriate compound abbreviations.
American Institute of Biological Sciences
Action Bioscience: Species, Speciation and the Environment
The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...
PBS
Pbs Teachers: Rivers of Destiny
This site explains the importance of rivers in the natural balance of life on Earth, and describes what happens when people begin to tamper with rivers. This will also help students identify options for dealing with the outcomes of human...
Cornell University
Cornell University: Art, Design, and Visual Thinking
Use the left-hand toolbar of this site to investigate an online textbook for the language of design. It provides visual examples and explanations of line, form, color, color psychology, texture, balance, proportion and many more...
Lumen Learning
Lumen: Boundless Biology: Threats to Biodiversity
Looks at the impact of overharvesting, such as overfishing, on biodiversity. It talks of the 'tragedy of the commons,' where harvesters do not feel responsible for protecting a species because they fish in shared areas. It also touches...
National Geographic
National Geographic: Ecosystem Imbalance in the World
For this lesson, students build on their knowledge of individual impacts on the ocean to see how the whole system can react to threats and changes. They examine ways in which human actions throw marine ecosystems out of balance, explore...
BSCS Science Learning
Bscs: Restoring Ea Middle School Science Unit
Restoring Ea is a place-based middle school science unit exploring management strategies that could be used for the Loko ea fishpond to sustainably feed people and ensure the ecosystem is healthy and pono (balanced). While specifically...
TeachEngineering
Teach Engineering: Biomes and Population Dynamics
This lesson begins with a PowerPoint slideshow that covers important ecological concepts about biomes, limiting factors, carrying capacity, and population growth. Students will look at the population dynamics involved with the diversity...
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Social Studies: Grade 3: A Log's Life
Third graders learn about the interdependence of animals and trees in nature and the cycles of growth and decay. Students also learn about the importance of preserving balance in nature and what happens when we upset that balance. While...
PBS
Pbs Teachers: Predator Protector Game Lesson
Describe the habitat, food web and ecosystem of shark species. Identify threats to sharks and explore how top predators help to maintain the balance of nature within ecosystems. This lesson plan also contains an interactive game.
Smithsonian Institution
National Museum of Natural History: American Mammals: Long Tailed Shrew
The Long-tailed Shrew probably uses its long tail for balance when it is climbing among the rocks or boulders that are always present where it lives. It spends almost all its time underground, and was, until recently, thought to be...
Smithsonian Institution
National Museum of Natural History: American Mammals: Pacific Jumping Mouse
Pacific Jumping Mice are remarkably quick and unpredictable. They push off with both hind feet and land on both forefeet, apparently using the tail for balance--a Mouse who had lost its tail somersaulted trying to land. Learn more about...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Measuring the Gravitational Constant, G
A demonstration/lab idea for determining the numerical value of the universal gravitation constant using a torsion balance.
American Institute of Biological Sciences
Action Bioscience: Ecology and Economics
Natural systems studied by ecologists and human systems studied by economists must work together to ensure a future of biodiversity. This interview identifies the needs for both and ways in which the two can balance conservation with...
ClassFlow
Class Flow: Rates of Change
[Free Registration/Login Required] This is part 4 of a 4 part series to include the nature of chemical reactions, reaction types, and balancing chemical equations.