You can't unring a bell, but can you unmelt an ice cube? Readers consider reversible and irreversible changes with a short informational reading passage and accompanying comprehension questions.

Concepts

reading comprehension, the scientific method, states of matter

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Additional Tags

english language arts

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Instructional Ideas

• Use the reading activity in the context of a science experiment or when discussing the states of matter
• Have learners write a short journal entry about a time in their life where they saw an irreversible change
• Demonstrate one of the scenarios from the passage (cooking an egg or melting water)

Classroom Considerations

• Resource is designed for second graders, but vocabulary and sentence structure may be more suited for older students
• Consider reformatting the worksheet so that the questions are all on the second page

Pros

• Provide an explanatory picture of melting ice
• Applicable to a lesson on reading informational text as well as a focus on the scientific method

Cons

• Does not come with an answer key

Common Core

RI.2.1