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Graphite is the material in a pencil tip, and diamonds are precious jewels. They are both made of carbon. This assessment probe is to elicit students’ ideas about two seemingly different substances that are composed of…
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The purpose of this assessment probe is to elicit students’ ideas about neutral atoms. The probe is designed to reveal how students think about the relationship between fundamental particles inside the nucleus of an…
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The purpose of this assessment probe is to elicit students’ ideas about substances. The probe is designed to determine whether students distinguish between the everyday use of the word substance and how chemists use the…
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When matter changes, sometimes a new substance is formed. The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out how students determine whether a new…
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What Is the Result of a Chemical Change?
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The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out whether students recognize that substances change chemically as a result of a chemical reaction…
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What Happens to Atoms During a Chemical Reaction?
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The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out whether students recognize that the same kinds and numbers of atoms are present before and after…
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Observations provide evidence of a chemical change. The purpose of this assessment probe is to elicit students’ ideas about chemical change. The probe is designed to find out what changes students use as evidence of a…
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The purpose of this assessment probe is to elicit students’ ideas about changes that result in new properties. The probe is designed to find out whether students recognize that some things mixed together will retain…
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This assessment probe is to elicit students’ ideas about radiation and is designed to reveal whether students distinguish between something that had been exposed to radiation (irradiated) versus something that is…
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This assessment probe is to elicit students’ ideas about radiation and is designed to reveal how students distinguish between irradiated and radioactive material. It is best used with grades 9–12 and should be followed…
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Energy is difficult to define. The purpose of this assessment probe is to elicit students’ ideas about energy and is designed to reveal how students define or describe energy. This probe is best used with students in…
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This assessment probe is to elicit students’ ideas about matter and energy and is designed to uncover students’ ideas about the similarities and differences between the crosscutting concepts of matter and energy. This…
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This assessment probe is to elicit students’ ideas about energy and chemical bonds and is designed to find out how students think about the release of energy involved in chemical bonding. It is best used with grades 9–…
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This assessment probe is to elicit students’ ideas about transfer of energy. It is designed to reveal whether students recognize that whenever there is a decrease in energy of a system, there is an increase in energy…
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The purpose of this assessment probe is to elicit students’ ideas about transfer of energy. The probe is designed to reveal whether students recognize heat can only move from warmer objects to cooler objects. It is best…
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