Lesson Worksheet: Stars and Galaxies Science
In this worksheet, we will practice describing the Milky Way and how the light-year can be used as a measure of the distances between stars in the galaxy.
Q1:
Complete the following sentence: The solar system .
- Aorbits another star system
- Borbits the center of the galaxy
- Cdoes not orbit anything
Q2:
Which of the following is a device that can be used for observing stars?
- AA telegraph
- BA telescope
- CA microscope
- DA telephone
- EA magnifying glass
Q3:
Which of the following statements correctly describes what stars are?
- AStars are very large, very hot objects that are so far away from the solar system.
- BStars are small, hot objects located just above the atmosphere.
- CStars are small, hot objects at the edge of the solar system.
Q4:
The picture shows a top-down view of the Milky Way. Which of the four points on the diagram shows approximately where the solar system is?
- APoint B
- BPoint D
- CPoint A
- DPoint C
Q5:
The image below shows a cross section of a refracting telescope. The red lines are rays of light. What are the objects indicated by the green arrows?
- ALenses
- BPrisms
- CMirrors
Q6:
The given picture shows a top-down view of the Milky Way.
Which of the following best describes the shape of the Milky Way?
- AA spiral
- BA circle
- CA sphere
Q7:
Do refracting telescopes use lenses or mirrors to magnify images of distant objects?
- ALenses
- BMirrors
Q8:
The image below shows a top-down view of the Milky Way. What term is given to the features marked in green?
- ASpiral arms
- BRings
- CSpiral wings
- DBars
- ECircles
Q9:
Each of the following images shows a top-down view of the Milky Way. Which one shows the approximate path, in green, that the solar system moves along as it orbits the center of the galaxy?
- A
- B
- C
Q10:
Why does the Sun appear much brighter than other stars?
- ABecause it is much hotter
- BBecause it is much larger
- CBecause it is much denser
- DBecause it is much closer
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