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The ACE Strategy

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Mariana Garcia-Serrato

on 23 January 2015

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Transcript of The ACE Strategy

The ACE Strategy
Answer the question that is being asked
a) Make sure that you completely answer the question.
b) Use key words from the question in your responses.

Cite evidence from the experiments, readings, graphs, illustrations to support, prove or explain. In other words, how do you know the answer.
a) Extend your response by explaining the connection between the information that you cited and the answer.
b) Make it clear that you know the answer because of the evidence
What does ACE mean?
A simple way to answer questions in all subjects
Is the line that forms when two colors meet a special property of M&Ms?
Student 1: Yes it is.

Student 2: No, the line happens also with other substances.

Before ACE (Experiment)
Explain the role of a catalyst in a chemical reaction?
Student 1: It makes it go faster.

Student 2: Makes the reaction go faster, but is not part of the reaction.

Before ACE (Reading)
Explain the role of a catalyst in a chemical reaction?
A catalyst is a substance that speeds up a chemical reaction, but that does not form part of the products of the reaction.

In paragraph 3 of the article "How catalysts work" (http://www.4college.co.uk/as/atm/catalysts.php), the author indicates that in order for a chemical reaction to occur, the bonds holding the reactants together must first be broken, and that this requires energy. A catalyst provides a different pathway for the bonds to break and re-form, where the energy required is less than without it.

By providing a different pathway for a reaction in which there is a smaller energy requirement, a catalyst speeds up a chemical reaction.
After ACE (Reading)
Is the line that forms when two colors meet a special property of M&Ms?
The line that forms when two colors meet is not a special property of M&M's.

In our experiment, we placed colored corn syrup in a cup with water and observed a phenomenon similar to what we observed with M&Ms. When the different colors met, they did not mix. They formed a line between them. They also remained at the bottom of the cup, just like the M&M's did in our previous experiment.

Based on these observations, we can conclude that the line that forms when two colors meet does not only happen with M&Ms, but that it happens when two colored substances with a lot of sugar meet.
After ACE (Experiment)
Full transcript