

Day 7
Why Do Extinctions Matter in the Story of Change?

Learning Target
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I can explain the dinosaur extinction event as a major turning point in Earth history.

LESSON OVERVIEW
On Day 7, students study extinction as both an ending and a beginning. They learn the concepts of turning point, continuity, and change, then apply those ideas to the dinosaur extinction event or another extinction source. Students organize evidence using a before / event / after / change / continuity structure. The lesson emphasizes complexity: destruction can end one pattern while creating conditions for something new. Students also complete ACT-Style Quiz 0B, the Chronology, Scale & Evidence Check.

AT A GLANCE
In this lesson you will:
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Explore whether destruction can create conditions for something new.
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Learn the terms turning point, continuity, and change.
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Read an extinction source and mark evidence.
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Complete a turning-point organizer.
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Take ACT-Style Quiz 0B.
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Discuss whether extinction can be both an ending and a beginning.

OBJECTIVES
Students will be able to:
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Define turning point, continuity, and change.
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Identify evidence from an extinction source.
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Explain what changed after an extinction event.
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Explain what continued after an extinction event.
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Use evidence to explain whether extinction can be both an ending and a beginning.

I CAN STATEMENT
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I can explain what a turning point is.
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I can identify something that changed after an extinction.
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I can identify something that continued after an extinction.
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I can use evidence to explain whether extinction can be both an ending and a beginning.

I CAN GUIDE

No understanding: Completely lost. Needs direct help.

Very little understanding. Struggling. Needs major support.

Partial understanding. Knows a little. Needs more practice or guidence.

Good understanding. Mostly gets it. Can worl with minor help.

Full understanding. Completely understands. Can work or explain it by themselves.

KEY VOCABULARY
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Extinction: When a species or group of organisms dies out completely.
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Turning Point: A major event that causes important change.
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Continuity: Something that stays the same over time.
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Change: Something becoming different over time.
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Cause: Why something happens.
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Consequence: A result or effect.
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Evidence: Information that supports or challenges an idea.
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Before/After: A way to organize change over time.

ESL SUPPORTS
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Extinction: extinción
Means: when a species dies out
Say it: Extinction changed Earth’s history. / La extinción cambió la historia de la Tierra. -
Turning Point: punto de cambio / momento decisivo
Means: an event that changes the story
Say it: Extinction was a turning point. / La extinción fue un punto de cambio. -
Continuity: continuidad
Means: what stays the same
Say it: Continuity shows what continued. / La continuidad muestra lo que siguió. -
Change: cambio
Means: what becomes different
Say it: Change happened after extinction. / El cambio ocurrió después de la extinción. -
Consequence: consecuencia
Means: a result
Say it: One consequence was new life. / Una consecuencia fue nueva vida. -
Evidence: evidencia / prueba
Means: proof or support
Say it: Evidence explains the change. / La evidencia explica el cambio.

COURSE SYLLABUS
Course Overview & Expectations
Grading & Assessment Policy
Late Work Policy
Academic Integrity
Classroom Nrms & Procedures

CURRICULUM MAP
See how all 9 units connect across time periods, themes & skills.

COURSE RESOURCES





