Planets
What is the difference between a planet and a moon?
A. A moon produces light, while a planet only reflects light.
B. A moon orbits a star, while a planet orbits another planet or a larger body.
C. A planet orbits a star, while a moon orbits a planet or another larger body.
D. All planets are made of gas, while all moons are made of rock
C. A planet orbits a star, while a moon orbits a planet or another larger body.
Why does the Sun appear larger than most other stars in the sky?
A. It has a higher temperature than every other star.
B. It gives off more light than every other star.
C. It is much closer to Earth than other stars.
D. Earth’s gravity pulls on it more strongly.
C. It is much closer to Earth than other stars.
Which one of these is NOT a space vehicle
A. Satellite
B. Space probes
C. Nanotechnology
D. Rockets
E. Rovers
C. Nanotechnology
How are galaxies classified by scientists?
What is Shape?
What is a galaxy made of?
A. One large star
B. Planets and moons only
C. Billions of stars held together by gravity
D. Asteroids only
C. Billions of stars held together by gravity
The planet that’s closest to the sun
What is Mercury?
A streak of light appears when a space rock passes through Earth's atmosphere. What is it called?
A. Asteroid
B. Meteor
C. Meteorite
D. Meteoroid
B. Meteor
What separates inner planets from outer planets?
A. Comets
B. Moons
C. Asteroids
D. Stars
C. Asteroids
Which type of galaxy has a rounded or oval shape?
A. Spiral
B. Irregular
C. Elliptical
D. Ring
C. Elliptical
Which of the following is NOT a type of galaxy
A. Barred spiral
B. Acute
C. Irregular
D. Elliptical
B. Acute
The list goes: Saturn, Uranus, Jupiter. What do these planets have in common (in comparison to other planets)?
A. Large diameters
B. Small diameters
C. They are all gas giants
D. They are all dwarf planets
a. Large diameters
What is the main difference between the inner and outer planets?
A. Their distance from the Sun
B. Their direction of orbit
C. Their color
D. Whether they rotate
A. Their distance from the Sun
Mr. Martin observes the solar system using a telescope. What is the best statement that describes what he’s doing?
A. He’s watching and studying the weather
B. He’s watching and studying objects and events in the sky
C. He’s hypothesizing an experiment of the sky
D. He’s calculating his zodiac sign
B. He’s watching and studying objects and events in the sky
What is the main difference between a barred spiral galaxy and a normal spiral galaxy?
A. A barred spiral galaxy has more stars
B. The amount of energy produced between galaxies
C. The shape of the galaxy's center
D. The overall mass of each galaxy
C. The shape of the galaxy's center
Why do stars in the night sky appear as tiny points of light?
A. They are very small
B. They are very far away
C. They do not produce much light
D. They are behind planets
B. They are very far away
Is Venus’ surface difficult to see from the Earth through a telescope? If so, why?
A. No, it’s not difficult to see because it produces a lot of light.
B.No, it’s not difficult to see because its shape is very clear.
C. Yes, it’s difficult to see because it’s covered in water.
D. Yes, it’s difficult to see because it is covered in thick clouds.
D. Yes, it’s difficult to see because it is covered in thick clouds.
Which characteristic do the outer planets generally have that distinguishes them from the inner planets?
A. They have many moons.
B. They have smaller diameters.
C. They have higher densities.
D. They orbit in a different direction.
A. They have many moons.
Why are space-based telescopes useful?
A. They are closer to the Sun.
B. They do not have to look through Earth's atmosphere.
C. They can travel to other planets.
D. They are always larger than Earth-based telescopes.
B. They do not have to look through Earth's atmosphere.
Which statement about stars is true?
A. The color of a star is determined by its temperature
B. Stars reflect light from nearby planets.
C. The size of a star is determined by its temperature
D. Stars are made up of entirely solid fragments of rock
A. The color of a star is determined by its temperature
Which of these are outside of the solar system?
A. Exoplanets
B. Venus
C. The Moon
D. Sirius
E. A and D
F. B and C
E. A and D
Which statement best defines a planet?
A. A large object in space that made of fragments of rock
B. A large object that produces it’s own light and solar energy
C. A large object that orbits around a moon or several moon on a separate orbit
D. A large object in space that revolves around a star in its own orbit.
D. A large object in space that revolves around a star in its own orbit.
Why is the Sun considered to be the center of the solar system?
A. Everything in the solar system revolves around the Sun.
B. It’s the biggest planet in the solar system
C. It is closer to Earth than other stars.
D. It produces the most energy out of any other star in the galaxy
A. Everything in the solar system revolves around the Sun.
Why might a space-based telescope be preferred over an Earth-based telescope?
A. Air pollution causes problems for space-based telescopes.
B. Earth-based telescopes are always smaller than space-based telescopes.
C. Space-based telescopes cannot observe distant objects clearly.
D. Earth-based telescopes have to look through Earth’s atmosphere, which can reduce the quality of observations.
D. Earth-based telescopes have to look through Earth’s atmosphere, which can reduce the quality of observations.
Which star color generally indicates the hottest stars?
A. Red
B. Yellow
C. Blue
D. Orange
C. Blue
Which force holds the stars in a galaxy together?
A. Magnetism
B. Gravity
C. Electricity
D. Light
B. Gravity