Exploring Objects Beyond Earth

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Objective

I can describe how scientists use evidence to learn about objects beyond Earth.

Part 1 of 4

Warm-up video

TED-Ed · 4:45Vetted channel

We don't generate video — this one is by TED-Ed on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 4

Key concepts

3 concepts

  1. 1

    Although astronomy is purely observational, we can learn about stars by studying the light that they emit.

  2. 2

    By turning starlight into rainbows, scientists can identify dark lines that reveal the elements present in a star's atmosphere and their concentrations.

  3. 3

    Astrophysicists use telescopes to study different wavelengths of light, including radio waves, infrared light, and ultraviolet light, to gain a more complete picture of the universe.

Part 3 of 4

Practice

10 questions

1

Why is astronomy considered an observational science?

2

What can scientists learn from analyzing the light emitted by stars?

Part 4 of 4

Exit ticket

Quick comprehension check

Explain how scientists use light to determine what elements make up stars that are far away.

Sample answer included in the free materials

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Teacher guide, student handout, and slides — free, in Google Docs format

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