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
Although astronomy is purely observational, we can learn about stars by studying the light that they emit.
- 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
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
Why is astronomy considered an observational science?
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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