Vocabulary 1
This planet is a gas giant and is if the second largest planet in our solar system.
Saturn
Which of the following consists of gas, dust, and many stars?
A. the sun
B. a galaxy
C. a solar system
D. Earth's atmosphere
B. a galaxy
An imaginary line through the center of a sphere. This is what Earth spins on.
Axis
The sun and other stars orbit Earth.
False
My moons name is Titan. I have many more, but I am famous for my pretty rings. Who am I?
Saturn
The 4 outer planets are also called this...
Jovian Planets
Which of the following is true of the sun?
A. The sun is the closest star to Earth.
B. The Sun is the largest star in the Milky Way.
C. The Sun is the largest planet in our Solar System.
D. The Sun is an example of a galaxy that gives off light energy.
A. The Sun is the closest star to Earth.
These are smaller than planets. They are held in place by gravitational pull of the planet they orbit.
Moon
The inner planets are mostly gas, though their inner cores contain solid matter surrounded by liquids.
False
I am the hottest planet in our solar system. I am closest to Earth in our solar system. People think I am a star because I reflect light off my clouds. Who am I?
Venus
What does terrestrial means?
Earthlike
Brandon has learned that many stars are larger than the Sun. If this is true, why do these stars appear like points of light in the sky?
A. These stars are hotter than the Sun.
B. These stars have less mass than the Sun.
C. These stars are farther away from Earth than the Sun is.
D. These stars are made of different chemicals than the Earth.
C. These stars are farther away from the Earth than the Sun is.
What is rotation?
The time it takes to spin on its own axis.
Another name for Mars is...
the Red planet
I am different from all other planets. I rotate on my side. I have 11 rings, but they are hard to see sometimes. Who am I?
Uranus
This planet is closest to the sun. It has the shortest orbit around the sun.
Mercury
Marc notices that when he looks at the stars at night, some appear brighter than others. Which three factors affect how bright a star appears to an observer on Earth?
A. the star's energy, size, and temperature
B. the star's color, size, and distance from Earth
C. the star's size, temperature, and distance from the sun.
D. the star's movement, distance from Earth, and gravity
C. the star's size, temperature, and distance from the sun
What is orbit?
The path an object takes to move throughout the solar system
Why is Pluto not a planet?
Because it has not cleared its orbit of smaller objects.
I lie between 2 planets. Some of me is large enough to have a name, but other parts of me are so small. I orbit the sun, but I do not spin on my own axis. What am I?
Asteroids
This planet has 13 moons. It is known as an Ice Giant. It appears blue.
Neptune
Kaitlin is studying the stars and she learns that Barnard's star is the third closest to Earth, although it cannot be seen without a telescope. She also knows that the brightest star in the night sky, Sirius, is much farther away but can be seen by the naked eye. Which of the following explains why Sirius Sirius can be seen without a telescope?
A. Barnard's star is much larger and hotter than Sirius.
B. Sirius is much larger and hotter than Barnard's star.
C. All stars are the same size, so Sirius must be hotter than Barnard's star.
D. All stars are the same temperature, so Sirius must be larger than Barnard's star.
B. Sirius is much larger and hotter than Barnard's star
What is revolution?
Bonus question: How long does it take Mercury to revolve around the sun? (double points)
The amount of time it takes for a planet or object to revolve around the sun.
BQ: 88 days
There are lots of objects in our solar system, but only 8 of them are planets. What do all planets have in common?
A. They are all made of rock or ice.
B. They all have rings or moons as satellites.
C. They are all nearly round and orbit the Sun.
D. They all rotate on an axis and orbit the Earth.
C.
I have the largest moons. I have moons called Ganymede, IO, Callisto, and Europa. Who am I?
Jupiter