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Cartesian Diver
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This activity has students create a Cartesian diver, which will act in ...

This activity has students create a Cartesian diver, which will act in some ways like a submarine. Students will adjust the amount of air and water in an inverted test tube (the "diver") so that it at first barely floats in a water-filled bottle. Then, they will squeeze the closed bottle to create higher water pressure, causing the diver to sink. Releasing the bottle allows the diver to float again. Written instructions, a list of materials, and illustrations are included.

Subject:
Hydrology
Oceanography
Physics
Material Type:
Activity/Lab
Provider:
Colorado State University
NASA
Introducing Knowledgeable Claims
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Standard 1a for 11th and 12th grade asks students to produce not ...

Standard 1a for 11th and 12th grade asks students to produce not only precise claims, but knowledgeable ones. It adds emphasis on establishing the significance of the claim/s or thesis statement being made. Central to distinguishing a a precise claim from a precise and knowledgeable claim is the the author's demonstration of her knowledge of the topic within a claim. When making any claim, an author must show that she is familiar with the claims that others have made in the past regarding the topic. Tying an argument to the significant claims of others, by either affirming or refuting them, can add to the credibility of the claim being made. This resource links to a writing guide taken from Colorado State University's Writer's Center. View the resource for more clarification and examples of demonstrating knowledge in writing.

Subject:
Arts and Humanities
Reading Informational Text
Material Type:
Homework/Assignment
Teaching/Learning Strategy
Provider:
Colorado State University