3rd Grade Science Review- Sun as a Star

The Sun is the same size as many stars we see at night. Why does it look so much bigger and brighter?

• Because it is very hot

• Because it is closer to the Earth

• Because it is yellow in color

• Because it shines during the day.

Look at this picture of an astronaut’s view from the space shuttle as it orbits Earth. From the window, she can observe stars and the Sun. How would the appearance of the Sun compare to the other stars seen by the astronaut?

• The Sun would appear dimmer than the stars because the Sun has a higher temperature.

• The Sun would appear brighter than the stars because the Sun is closer to Earth.

• The Sun would appear smaller than the stars because the Sun is a medium-sized star.

• The Sun would appear larger than the stars because the Sun is a planet.

Betelgeuse is a star that is much larger than our Sun. Betelgeuse appears as only a bright point of light in the night sky. Which best explains why the Sun appears so much brighter than Betelgeuse?

• Betelgeuse is millions of miles away.

• Betelgeuse is much older than the Sun.

• Betelgeuse is moving towards Earth.

• Betelgeuse is not as hot as the Sun.

Maria and Yanette enjoy looking at the stars at night when they go to their grandparents’ farm out in the country. They can see so many stars out there! Maria and Yanette are trying to come up with one thing that is true for all the stars they see. What is true about all the stars that Maria and Yanette can see in the night sky?

• They are all the same brightness.

• They are all the same size.

• They are all smaller than Earth.

• They are all farther away than the Sun.

Tags

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Which statement about the Sun is true?

• It is the closest star to Earth.

• It is the brightest star in the sky.

• It is a planet that gives off light.

• It is the brightest planet in the solar system.

Earth gets most of its light from which source?

• A distant star that shines in the night sky.

• A distant planet that produces energy.

• A nearby star that gives off energy.

• A nearby planet that orbits the Sun.

The Sun is a star. Which of these best describes what makes up the Sun?

• Fire

• Melted Rock

• Cold, glowing gases

• Hot, glowing gases

Tags

NGSS.MS-PS1-1

The Sun is a star that gives off energy. Which forms of the Sun’s energy reaches the earth?

• Light and heat

• Light and sound

• Heat and electricity

• Light and electricity

Luke placed a folded piece of paper in a sunny place. After a few hours, he placed a thermometer in the fold of the paper. He measured the temperature during the day and wrote it in the chart below. The sun set at 5:00 p.m. What most likely was the temperature of the paper at 8 p.m.?

• 85°F

• 82°F

• 81°F

• 76°F

Tags

NGSS.MS-PS3-4

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10 Mrs. Muñoz takes her class outside on a sunny day to measure temperature.

Four students decide to place thermometers on or near a tree. The places they put their thermometers are shown in the picture. The thermometer placed in which labeled spot will most likely get the hottest?

• Location A

• Location B

• Location C

• Location D

Tags

NGSS.MS-PS3-4

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