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Mixture Dualism of Blood
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Educational Use
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Students learn about the separation techniques of sedimentation and centrifugation and investigate whether blood is a homogeneous or a heterogeneous mixture. Working in groups as if they are biomedical researchers, they employ the scientific method and make observations about the known characteristics of urine, milk and blood. They probe further by analyzing research on the properties and fractionation modes of blood. As students learn about certain strange characteristics with the fractionation behavior of blood, they formulate hypotheses on the unique nature of blood. Using provided materials —olive oil, tomato juice and petroleum jelly—they design an experiment and construct a blood model. They test their hypotheses by conducting experiments on the blood model, and then propose theories for the nature of blood as a mixture—arriving at the theory of mixture dualism in blood—that blood is a complex mixture system. An activity-guiding handout and PowerPoint® presentation are provided for this student-directed, project-based activity.

Subject:
Education
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Renuka Rajasekaran
Date Added:
10/14/2015
Modeling a Plant Cell
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Educational Use
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This activity was designed for blind learners, but all types of learners can use it to understand the structure of a plant cell. The purpose of this activity is to create an accurate representation of the shape and characteristics of plant cells. The cell models provide both tactile and kinesthetic feedback for students learning the structure of the cell. The bright colors and good contract also work well for students with low vision.

Subject:
Education
Material Type:
Activity/Lab
Provider:
Perkins School for the Blind
Provider Set:
Accessible Science
Author:
Dawn Tamarkin
Date Added:
01/01/2011
Modifying an Open Textbook: What You Need to Know
Unrestricted Use
CC BY
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This is a five-step guide for faculty, and those who support faculty, who want to modify an open textbook. Step-by-step instructions for importing and editing common open textbook file and platform types are included.

Subject:
Education
Material Type:
Reading
Teaching/Learning Strategy
Provider:
Open Textbook Network
Author:
Amy Hofer
Anita Walz
Annie Johnson
Cheryl Cuillier
Karen Lauritsen
Kathleen Labadorf
Peter Potter
Richard Saunders
Date Added:
05/06/2022
Module 2: Understanding OER
Unrestricted Use
CC BY
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We will start the lesson discussing what open educational resources are. Please watch the video first and read through the content. It is important to understand the concept of open educational resources as it will be the base for the rest of the modules.

Subject:
Education
Material Type:
Module
Provider:
Washington State Board for Community & Technical Colleges
Provider Set:
Open Washington
Date Added:
01/12/2021
Module 9: Why OER Matters
Unrestricted Use
CC BY
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Why do open educational resources matter? What is the point of using OER? Below are some of the benefits of using open educational resources that I have seen while working with OER over the past several years.

Subject:
Education
Material Type:
Module
Provider:
Washington State Board for Community & Technical Colleges
Provider Set:
Open Washington
Date Added:
01/12/2021
Momentum
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Educational Use
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This activity was designed for blind learners, but all types of learners can use it to explore the law of conservation of momentum.

Subject:
Education
Material Type:
Activity/Lab
Provider:
Perkins School for the Blind
Provider Set:
Accessible Science
Author:
Kate Fraser
Michele Engelbrecht
Date Added:
01/01/2011
Motivating Students Via High-Probability Requests
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Educational Use
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High-probability requests are one feasible classroom technique that can be effective in motivating students to engage in assigned classwork (Lee, 2006). The teacher first identifies an academic activity in which the student historically shows a low probability of completing because of non-compliance. The teacher then embeds within that low-probability activity an introductory series of simple, brief 'high-probability' requests or tasks that this same student has an established track record of completing (Belfiore, Basile, & Lee, 2008).

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021
Motivation Challenge 1: The Student Cannot Do the Work
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Educational Use
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Profile of a Student with This Motivation Problem: The student lacks essential skills required to do the task. Areas of deficit might include basic academic skills, cognitive strategies, and academic-enabler skills. Here are teacher behaviors to help fix this motivation problem.

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021
Motivation Challenge 2: The Response Effort to Do the Work Seems Too Great
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Educational Use
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Although the student has the required skills to complete the assigned work, he or she perceives the ‘effort’ needed to do so to be so great that the student loses motivation. Learn teacher behaviors to fix this motivation problem.

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021
Motivation Challenge 3: Classroom Instruction Does Not Engage
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Educational Use
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The student is distracted or off-task because classroom instruction and learning activities are not sufficiently reinforcing to hold his or her attention. Learn teacher behaviors to help fix this motivation problem.

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021
Motivation Challenge 4: Student Does Not See an Adequate Payoff for Doing the Work
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Educational Use
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The student requires praise, access to rewards, or other reinforcers in the short term as a temporary ‘pay-off’ to encourage her or him to apply greater effort. Learn teacher behaviors to help fix this student motivation problem.

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021
Motivation Challenge 5: Student Lacks Confidence that He or She Can Do the Work
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Educational Use
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The student has a low sense of self-efficacy in a subject area, activity, or academic task and that lack of confidence reduces the student’s motivation to apply his or her best effort. NOTE: Self-efficacy is the student’s view of his or her own abilities specific to a particular academic area (e.g., mathematics) and should not be confused with self-esteem, which represents the student’s global view of his or her self-worth. Learn teacher behavior to help fix this student motivation problem.

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021
Motivation Challenge 6: Student Lacks a Positive Relationship with the Teacher
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Educational Use
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The student appears indifferent or even hostile toward the instructor and thus may lack motivation to follow teacher requests or to produce work. Learn teacher behaviors to help with this student motivation problem.

Subject:
Education
Material Type:
Teaching/Learning Strategy
Provider:
Intervention Central
Author:
Jim Wright
Date Added:
01/12/2021