Serendip
Homeostasis and Negative Feedback – Concepts and Breathing Experiments
More asthma attacks happen at higher altitudes, but why? Scholars complete worksheets, learning about homeostasis and feedback related to breathing. Then, they work in small groups to experiment with breathing in limited amounts of...
Curated OER
Homeostasis
In this homeostasis worksheet, students answer twelve questions about positive and negative feedback loops and how they effect homeostasis.
Curated OER
Reflecting on Reflectivity
High schoolers plan and construct a "mini-lab" to measure the reflectivity of different earth surfaces. They measure reflectivity of materials, including ice, soil, rocks, etc., and then extrapolate from what they have learned to...
Institute of Electrical and Electronics Engineers
Working with Wind Energy
After reading about how wind turbines work to collect clean energy, groups brainstorm and design their own windmill. Within the provided financial and physical constraints, groups must build a working windmill using only the materials...
Curated OER
Bottled Model Lungs
Pupils will learn about the respiratory system by comparing and contrasting models, building their own models, and giving one another feedback. Questions about familiar body systems can be useful in getting students to start thinking...
Curated OER
Wimshurst Machine
Learners examine what a Wimshurst machine is and how it operates. In this mechanics lesson students build a Wimshurst machine and watch it in action.
Curated OER
The Human Body Study Questions
In this human body study question worksheet, students define 6 words associated with the human body. They answer 8 short answer questions about the organization and function of the organ systems and organization structure of the human body.
Curated OER
Sea State
Students explain the process of wave formation and analyze the relationship between the ocean and the atmosphere. In this oceans lesson students use buoys to cast real time sea state conditions.
Curated OER
Energy Sources
Students identify natural resources and describe the difference between renewable and non-renewable resources. They also identify the disadvantages and advantages of the resources.
Curated OER
Human Impacts on Sharks: Developing an Essay Through Peer-Review on a Discussion Board
Students develop a paper topic (in this case, the human impacts on sharks) that is peer reviewed by additional students answering guided questions. The original student must respond to the comments by the fellow classmates. All of the...
Curated OER
Properties of Elements
Eighth graders explore information about the periodic table of elements. Using the Internet, 8th graders choose one element to research. They complete an "Adopt and Element" information sheet. Using Microsoft Word, students create an...
Curated OER
Losing An Island
Students examine carbon dioxide and determine the impact of greenhouse gases on the earths spheres. In this pollution lesson students complete a lab activity to see the impact of gases on the environment,
TED Talks
Ted: Ted Ed: Feedback Loops: How Nature Gets Its Rhythms
Anje-Margriet Neutel describes some common positive and negative feedback loops, examining how an ecosystem's many loops come together to make its 'trademark sound.' [5:11]