

Day 5
How Did Earth Become a Place Where Life Could Exist?

Learning Target
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I can explain how early Earth changed over time and why those changes mattered.

LESSON OVERVIEW
On Day 5, students investigate early Earth as a changing system. They begin by thinking about what conditions a planet needs for life to survive. Then they read or annotate a short Earth formation account and identify conditions, changes, and effects. The main thinking pattern is condition → change → effect. Students practice cause-and-change language to explain how early Earth became a place where life could exist.

AT A GLANCE
In this lesson, students will:
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Identify conditions a planet needs for life.
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Read about early Earth conditions.
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Mark examples of change over time.
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Explain cause and effect.
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Complete a condition → change → effect organizer.
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Practice the sentence frame: Because ___, Earth became ___.

BELL RINGER
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What conditions would a planet need for life to survive?

OBJECTIVES
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Identify conditions needed for life.
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Describe one major change in early Earth.
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Explain why a change in early Earth mattered.
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Use cause/effect language to explain change over time.
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Complete a cause/change organizer.

I CAN STATEMENT
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I can name one condition early Earth needed for life.
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I can identify a change in early Earth.
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I can explain an effect of that change.
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I can use the sentence frame: Because ___, Earth became ___.

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.

Mini-Lesson: Early Earth
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Learn about early Earth conditions and change over time.

KEY VOCABULARY
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Earth: The planet where we live.
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Condition: A situation or feature that affects what can happen.
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Change: Something becoming different over time.
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Cause: Why something happens.
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Effect: What happens as a result.
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Atmosphere: The gases surrounding a planet.
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Survive: To stay alive.
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Formation: The process of being formed or created.

ESL SUPPORTS
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Condition: condición
Means: something needed for something to happen
Say it: Water is a condition for life. / El agua es una condición para la vida. -
Change: cambio
Means: becoming different
Say it: Earth changed over time. / La Tierra cambió con el tiempo. -
Cause: causa
Means: why something happens
Say it: The cause explains the change. / La causa explica el cambio. -
Effect: efecto / resultado
Means: what happens after
Say it: The effect was important. / El efecto fue importante. -
Survive: sobrevivir
Means: stay alive
Say it: Living things need water to survive. / Los seres vivos necesitan agua para sobrevivir. -
Atmosphere: atmósfera
Means: gases around a planet
Say it: Earth has an atmosphere. / La Tierra tiene una atmósfera.

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



