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An Ad for an Element

A lesson plan for Grades 9–12 Chemistry and Physical Science from LEARN NC. Build an understanding of the structure and properties of matter while practicing communications skills. The author comments: "My students really showed creativity. I have had every form of ad turned in from video commercials to pamphlets to movie posters". Licensed for use and reuse under Creative Commons BY-NC-SA 2.5.

These materials, as well as thousands of others, can be found in OER Commons , a comprehensive open learning network that provides the platform for facilitating the OER process.

OER is much more than a collection of resources. It is more than a thing. It is also a process that is dependent upon teachers and learners who continuously improve the resources, and share their use scenarios so that others can also benefit. It is also about collaborating to create materials.

Why oer?

OER is a relatively new movement in education; educators and learners as well as learning institutions are driving its development. OER provides an alternative to the rising costs of education. For example, in some countries like South Africa, some educators and learners are tapping into OER as the only source for textbooks. OER provides an opportunity to try new ways of teaching and learning, many of which are more collaborative and participatory.

Some educators are using OER as a way to get students more involved, using the OER process as a way to collaborate with them on content creation. This process brings students into a larger context of learning and sharing knowledge beyond the four walls of their classroom.

Flexibility is a key concept in OER—materials can be adapted for your specific needs. Because these materials can be searched by a wide variety of criteria, you can quickly find what you specifically need.

Oer is relevant, usable, adaptable, and free

Because of the flexibility of OER materials, you can make them relevant to you and your students’ needs. Why are educators and learners prompted to search for teaching and learning materials? An OER Commons survey of over 400 teachers and learners in 2007 reveals that:

  • 29% use OER to expand knowledge or learn a new topic
  • 17% use OER to stay current
  • 15% use OER to get ideas for lessons or coursework
  • 11% use OER to supplement lessons or coursework
  • 10% use OER to improve teaching methods
  • 10% use OER to connect with teachers or learners who have similar interests
  • 5% have other reasons why they use OER
  • 3% use OER to complete a class assignment.

Discussions with teachers and learners illustrate the precise ways they are using OER materials. One educator in particular describes his experiences with OER as a way to create a much-needed textbook with his colleagues. Here’s what he says:

“I guess about five years ago, being a professor, there was just a loose group of individuals who had expertise in signal processing spread over the country and we all were teaching and thinking about teaching courses. We all kind of felt like there was no common textbook that all were excited about. There just seemed to be a need like a textbook for this class. So it just seemed to be a possibility for all of us together to take notes and things that we have developed for classes and combine them into this particular way.”

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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Source:  OpenStax, The "how tos" of oer commons. OpenStax CNX. Oct 16, 2007 Download for free at http://cnx.org/content/col10468/1.4
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