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3rd Grade Worksheet

This document provides a follow-up worksheet for students after touring an astronomy observatory. It contains questions about properties of stars, speed of light calculations, comparisons of the Earth and Mars surfaces, and labeling planets. The answers section provides the correct responses and indicates which science standards each question addresses. The worksheet aims to reinforce concepts taught on the tour for third grade students.

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Sophia Gooch
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115 views4 pages

3rd Grade Worksheet

This document provides a follow-up worksheet for students after touring an astronomy observatory. It contains questions about properties of stars, speed of light calculations, comparisons of the Earth and Mars surfaces, and labeling planets. The answers section provides the correct responses and indicates which science standards each question addresses. The worksheet aims to reinforce concepts taught on the tour for third grade students.

Uploaded by

Sophia Gooch
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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3rd Grade

Agnes Scott Observatory Tour: Follow-Up Worksheet!

1. Based on color alone, which stars in this photograph do you


think are the hottest? Why?

2. The Earth is about 92,960,000 miles from the sun. It takes approximately 8 minutes for
sunlight to reach the Earth once it leaves the sun. What is the speed of light in miles per
minute? Show your work below. (It may be helpful to use a calculator!)

3. What is the speed of light in miles per second?

This work was supported by a grant from the Georgia Space Grant Consortium.
3rd Grade

4. The picture below was taken by NASA’s Mars Exploration Rover, Spirit.

Describe how the surface of Mars differs from the


surface of Earth, based on this picture.
Can you think of places on Earth that look like Mars?

5. Write the name of each planet in the blanks provided.

This work was supported by a grant from the Georgia Space Grant Consortium.
3rd Grade

Answers
1. The blue stars are the hottest. Blue light is emitted by hotter things because blue is shorter
wavelength and shorter wavelength = higher energy.
This question aligns with standard(s) The Universe and Energy Transformation from 3-5th Grade
Benchmarks, S3P1

2. 11,620,000 miles per minute (Actual is 11,180,000 mi/mn)


This question aligns with standard(s) S3CS2a

3. 193,667 miles per second (Actual is 186,282 mi/s)


This question aligns with standard(s) S3CS2a

4. Mars appears a reddish-orange, whereas most soil on Earth looks brown. Mars also looks very dry,
and has some similarity to Earth deserts. It should be brought to the student’s attention that Mars is
much colder than Earth, so its surface most resembles the cold, dry tundra on Earth.
This question aligns with standard(s) S3E1bc

5.

J
V
M u U
e
ar pi ra
M nEs S te n N
u standard(s) The Universe e Grade Benchmarks
er with
This question aligns
ar at r u from 3-5th
cu sth ur s pt
ry n u
n
e Space Grant Consortium.
This work was supported by a grant from the Georgia
3rd Grade

During the tour, your guide might have also covered standard(s) S3CS8, S3CS4b, The Earth from 3-
5th Grade Benchmark, Energy Transformation from 3-5th Grade Benchmark as well as the ones
above.

This work was supported by a grant from the Georgia Space Grant Consortium.

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