## Status message

Dear LOR user,

Thank you for being a big part of this community. To better support the initiatives around open educational resources in the state of Michigan, all resources on the Michigan Virtual Learning Object Repository (LOR) are being moved to #GoOpen Michigan (link is external) on September 30th, 2018. During the transition, our LOR will be moved to an archived state, not allowing new user registration or new content to be added. An email with more details was sent to registered users of the LOR in September. To make use of the great resources on the platform, we encourage you to create an account and add your own new resources to the #GoOpen Michigan platform (link is external).

# English

## "and" versus "or" Discussion Board

This is designed for an online discussion board. the students watch a commercial where "and is definitely better" and then go on to describe their own "and" and "or" inequalities. Their classmates respond to the posts using discussion prompts

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## Cola fountains: a nucleation spectacular

What happens when you drop Mentos candy into a bottle of cola? Surface area, candy glaze, carbon dioxide, and a small amount of time all make a difference. It is a short assessment geared to help students think about the phenomenon and learn what Myth Busters has uncovered in the investigation using three questions that check for understanding.

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## Diameter and Circumference Lab

In this lab activity, students are asked to:
- Collect data on the diameter and circumference of several round objects
- Graph this data to explore the relationship between diameter and circumference
- Analyze the graph to determine a numerical value of Pi

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## Early Astronomy Test

This test consists of 10 multiple-choice questions and 3 essay questions. The test covers the motion of the sun, moon, and stars, as well as contributions made by early astronomers including Ptolemy, Copernicus, Eratosthenes, and Galileo.

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## Time-Lapse Seasons Interactive

This interactive simulation/movie allows students to watch the changing altitude of the sun at noon throughout the entire year. Along with the simulation is a time-lapse video showing the changing shadow of a large building, and the changing seasons outside.

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## Ancient Astronomers Lesson

This is an online lesson, which students can complete on their own either at home or in class. Students read about discoveries that were made by ancient astronomers, and how impressively accurate many of them were.
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## GPS by Star Motion Video

This video is used to demonstrate how observing the motion of stars can allow you to find your latitude on the earth. This video can be used very early in the discussion of star motion and is a nice compliment to the simulation found in the video, which is available here. http://astro.unl.edu/naap/motion2/starpaths.html
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## Slope Project

This project was designed for an Algebra 1 online course. The course still is designed to teach slope, even though this standard is now technically taught in the 7th and/or 8th grade. The intent was to design a project to get students to see slope in a different manner, using percent grade change of hiking paths.
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