EOG: The Sun: Our Shining Star (4th)

Read!

What did ancient people build to worship the Sun?

• Pyramids

• Stone buildings

• Wooden huts

• Metal sculptures

How long does it take for the Sun's energy to reach Earth's surface from its core?

• About 8 minutes

• About 8 hours

• About 8 days

• About 8 seconds

Which planet benefits from being in just the right position relative to the Sun to support life?

• Mars

• Venus

• Earth

• Jupiter

What is primarily responsible for the Sun's gravitational pull on other objects in the solar system?

• Its distance from Earth

• Its light

• Its size

• Its temperature

Why is the Sun considered brighter and bigger than other stars in our solar system?

• It is closer to Earth

• It is actually smaller

• It is less bright

• It is farther away

Which sentence from the selection supports the idea that the Sun

produces a huge amount of energy?

• A “Most scientists think that the Sun and solar system formed

  about 5 billion years ago.”

• B “The diameter of the Sun is nearly 865,000 miles (1.4 million km).”

• C “The temperature of the Sun’s surface is about 10,000°F

  (5,500°C).”

• D “How much energy a planet gets from the Sun depends on its

  position in the solar system.”

Based on details in paragraphs 3–5, what would most likely happen if the Sun’s energy greatly increased?

• A Earth would be unable to support life.

• B Earth would move closer to the Sun.

• C Earth would cool off slightly.

• D Earth would not stay in orbit around the Sun.

Read this sentence from paragraph 4.

“Deep inside the Sun—at its core—the temperature is millions of

times hotter.”

Which word or words in the sentence best help the reader understand the meaning of core?

• A “deep inside”

• B “temperature”

• C “millions of times”

• D “hotter”

Which idea from the selection is represented in the diagram?

• A the time it takes the Sun’s energy to reach Earth

• B the gases that make up the Sun

• C the orbit of the planets around the Sun

• D the temperature of the Sun’s surface

Which sentence from the selection states its main idea?

• “Earth’s position keeps it warm enough, so that most of the water on the planet is in liquid form, not frozen, but not so hot that the

  water boils off into gas.”

• “You would need more than 100 Earths to cover the length of the Sun’s diameter.”

• “The powerful energy of the Sun provides Earth and the other

  planets in our solar system with light and heat.”

• “Some groups of ancient people built temples to worship the Sun.”