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- 1. Multiple Choice
The images in the picture are particles of debris that are sometimes called shooting stars. They are
interplanetary dust.
asteroids
meteors.
comets.
- 2. Multiple Choice
Which (on average) takes the longest to orbit the sun (longest period)?
asteroid
comet
earth
mars
- 3. Multiple Choice
Which of these planets has the coldest surface temperature?
Earth
Jupiter
Mars
Neptune
- 4. Multiple Choice
Which statement is true about the solar system?
Inner planets have more moons than outer planets have.
Inner planets are gaseous; outer planets are terrestrial.
Inner planets orbit at a lower rate than outer planets do.
Inner planets are more dense; outer planets are less dense.
- 5. Multiple Choice
This is a description of a(n)
asteroid.
comet.
meteor.
star.
- 6. Multiple Choice
The tail of a comet usually faces
toward the Sun.
away from the Sun.
towards the Earth.
away from the Earth.
- 7. Multiple Choice
Venus has about the same mass as Earth and is about the same distance from the Sun. Yet Venus does not support life. An important difference between Earth and Venus is that Venus lacks
an atmosphere.
gravity and water.
a similar chemical composition.
water and moderate temperatures.
- 8. Multiple Choice
several miles in diameter
originate beyond the outer planets
thought to have struck early Earth
bodies of ice, stone, and organic compounds
may have created major changes to Earth's early climate
The list above describes ____________ that are thought to have struck Earth billions of years ago and helped to modify the climate, atmosphere, and oceans of this planet.
asteroids
comets
meteors
stardust
- 9. Multiple Choice
Which bodies are composed primarily of rock and metal?
comets and stars
stars and meteors
comets and asteroids
asteroids and meteors
- 10. Multiple Choice
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. Which of these characteristics is NOT necessary if a planet were to support life?
source of fresh water
extreme global warming
able to receive sunlight
small changes in temperature
- 11. Multiple Choice
Why does Neptune take 165 Earth years to revolve around the Sun, while Jupiter only needs 11.9 Earth years to do so?
Neptune is lighter than Jupiter.
Neptune spins slower than Jupiter.
The Sun is closer to Jupiter than to Neptune.
The density of Neptune is higher than that of Jupiter.
- 12. Multiple Choice
The bar graph compares the orbital speeds of the planets. Which of these conclusions can definitely be drawn from the graph?
The mass of the planets increases with increasing distance from the Sun.
The orbital periods of the planets increase with increasing distance from the Sun.
The gravitational pull of the Sun decreases with increasing distance from the Sun.
The orbit lengths of the planets increase with increasing distance from the Sun.
- 13. Multiple Choice
Which planet is closest in size to planet Earth?
Mars
Mercury
Saturn
Venus
- 14. Multiple Choice
Which planets have moons?
Earth only
Gas planets only
Terrestrial only
Both Terrestrial and Gas planets
- 15. Multiple Choice
The table shows data related to the planet Saturn. Which data is essential to find the length of a year on Saturn?
Mass of planet
Radius of planet
Period of rotating on axis
Period of orbit around Sun
- 16. Multiple Choice
This planet is often called the red planet. It is one of the closest planets to Earth. People wonder if there is life on this planet.
Which planet is it?
Mars
Neptune
Saturn
Venus
- 17. Multiple Choice
Mercury is a very small planet, with a surface that is exposed directly to space. This is because the planet has practically no atmosphere. Normally, no atmosphere would mean very cold, but it is very hot on Mercury.
Why?
Since it is so small, it generates its own heat.
Because Mercury is the closest planet to the sun.
Because of the Mercurial volcanoes on the planets surface.
Their are hot springs on the surface that constantly boil.
- 18. Multiple Choice
Compared to ALL of the other planets in our solar system, how would you describe Jupiter?
the biggest planet
about the same size as Earth
the planet closest to the Earth
the planet farthest from the Sun
- 19. Multiple Choice
Using the bar graph, determine which planet is four times (4X) as far from the Sun as Earth is.
Neptune
Saturn
Jupiter
Uranus
- 20. Multiple Choice
Consider the information provided in the data table. Which planet is the farthest from the Sun?
Neptune
Mercury
Jupiter
Saturn
- 21. Multiple Choice
~ A rock
~ Found in a belt
~ Originates between Mars and Jupiter
~ Vary greatly in size; dust-like to hundreds of miles across
The prompt above is describing what celestial body?
comet
meteor
asteroid
dark matter
- 22. Multiple Choice
~shooting star
~showers in the night sky
~originally chunks of rock and debris
~heated to incandescence by the friction of Earth's atmosphere.
The prompt above is describing what celestial body?
asteroid
comet
meteor
meteroroid
- 23. Multiple Choice
These are rocky, airless worlds that orbit our Sun, but they are too small to be called planets. Tens of thousands of these minor planets are gathered in a belt between the orbits of Mars and Jupiter. What is this celestial body called?
asteroid
comet
meteor
planetestimal
- 24. Multiple Choice
Which diagram BEST compares the true sizes of Earth and Jupiter?
- 25. Multiple Choice
This diagram is attempting to compare the sizes of the four inner planets. What is wrong with this diagram?
Mars is larger than Earth.B)Venus is larger than Earth.
Venus is larger than Earth.
Mercury is not larger than Venus.
Earth is not the largest inner planet.
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