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- 1. Multiple Choice
Besides the Sun, all other stars appear to be points of light. Why do the other stars appear so small?
These stars are not as hot as the Sun.
These stars are not as large as the Sun.
These stars are farther away than the Sun.
These stars are a different color than the Sun.
- 2. Multiple Choice
Scientists now accept eight planets as being part of our Solar System. What property do all of these planets share that makes them part of the Solar System?
They are all the same size.
They all orbit the Sun like Earth does.
They are all covered mostly by oceans.
They all have plant and animals living on them.
- 3. Multiple Choice
Mrs. Garcia's class is studying galaxies. She asked a student to describe a galaxy. Which statement is the best description of a galaxy?
gas, dust, billions of stars, and planets
a star, planets that orbit the star, gas, and dust
a planet, moons that orbit the planet, gas, and dust
a group of planets, moons that orbit planets, gas, and dust
- 4. Multiple Choice
What is the Milky Way?
A. our solar system
B. our home galaxy
C. our constellation
D. our universe
- 5. Multiple Choice
Which statement accurately compares our galaxy to our Solar System?
A. Our galaxy is very small compared to our Solar System.
B. Our Solar System includes the Moon, but our galaxy does not.
C. Our galaxy has more stars than our Solar System has planets.
D. Our Solar System has only the planet Earth, but our galaxy includes many planets.
- 6. Multiple Choice
Which of these can be made of gases, dust, and hundreds of billions of stars?
A. a galaxy
B. a planet
C. a solar system
D. a constellation
- 7. Multiple Choice
Astronomers often discover new planets. Which of the following best describes a planet?
A. a rock fragment in space.
B. a large round object in space.
C. a large object in space that revolves around a star in its own orbit.
D. a large object in space that is composed of gases and gives off light.
- 8. Multiple Choice
Which features do the outer planets have in common?
A. They have no moons.
B. They have rocky surfaces.
C. They have extremely high temperatures.
D. They have atmospheres of hydrogen and helium gases.
- 9. Multiple Choice
Which of the following correctly compares the inner planets of the Solar System to the outer planets?
A. The inner planets have rings, while the outer planets do not have rings.
B. The inner planets have few or no moons, while the outer planets have many moons.
C. The inner planets have longer year lengths, while the outer planets have shorter year lengths.
D. The inner planets are composed mostly of gas, while the outer planets are composed mostly of solids.
- 10. Multiple Choice
Which features do all inner planets have in common?
A. They have rings.
B. They have moons.
C. They have rocky surfaces.
D. They have thick atmospheres.
- 11. Multiple Choice
The planets of our solar system are divided into inner planets and outer planets. Which statement describes how inner planets are different from outer planets?
A. Inner planets are large, gaseous planets, and outer planets are small, rocky planets.
B. Inner planets are small and rocky planets, and outer planets are large and gaseous.
C. Inner planets are cold, gaseous planets, and outer planets are hot, rocky planets.
D. Inner planets are large and rocky, and outer planets are small and gaseous.
- 12. Multiple Choice
Which statement about the Sun is correct
A. The Sun is the closest star to Earth.
B. The Sun is smaller than most planets.
C. The Sun is made of rock, minerals, and hot gases.
D. The Sun has a surface temperature similar to Jupiter.
- 13. Multiple Choice
Which statement best describes an asteroid?
A. An asteroid has an icy tail.
B. An asteroid has an atmosphere.
C. An asteroid is a ball of gas that orbits a planet.
D. An asteroid is a rocky object that orbits the Sun.
- 14. Multiple Choice
Which statement best compares the Sun to Earth?
A. They are similar in size, and Earth revolves around the Sun.
B. They are similar in size, and the Sun revolves around Earth.
C. The Sun is much larger, and Earth revolves around the Sun.
D. The Sun is much larger, and the Sun revolves around Earth
- 15. Multiple Choice
Which statement best describes comets?
A. Comets rotate on an axis.
B. Comets have thick atmospheres.
C. Comets can sometimes have moons.
D. Comets are composed of ice, rock, and gas.
- 16. Multiple Choice
What is at the center of our Solar System and also the largest object in it?
Earth
Jupiter
The Sun
The Moon
- 17. Multiple Choice
What four planets are gas planets?
Mercury, Venus, Earth, Mars
Mercury, Venus, Jupiter, Saturn
Neptune, Uranus, Earth, Jupiter
Jupiter, Saturn, Uranus, Neptune
- 18. Multiple Choice
What is the order of the planets from the Sun?
Venus, Mercury, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
Mercury, Venus, Earth, Mars, Neptune, Uranus, Saturn, Jupiter
Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
- 19. Multiple Choice
How many planets are there in our Solar System?
7
8
6
9
- 20. Multiple ChoiceWhich is the largest object in our solar system?SunJupiterEarthPluto
- Answer choicesTagsAnswer choicesTags