All About Planets
What is the sun?
A. Star
B. Light
C. Planet
A. Star
Earth is the only planet in our solar system that supports life. Which condition on Earth support life?
A. presence of water
b. a thin atmosphere
c. hot temps
d. distance from the sun
e. lack of CO2
A and D. Presence of water and distance from the sun.
Planets orbit the sun in a perfect circle? Explain.
A. Yes
B. No
B. No. Object's orbit is an ellipse (a stretched out circle). In a elliptical path
What is a revolution in space science?
A. One full spin of a planet
B. One full orbit of a planet around the Sun
C. A change in a planet’s tilt
D. A collision between objects
B. One full orbit of a planet around the Sun
How long does it take for Earth to orbit the sun?
A. 24 hours
B. 30 days
C. 365 days
D. 365.25 days
D. 365.25 days
Which stormy planet is home to the great red spot?
A.Earth
B.Uranus
C.Mars
D. Jupiter
D. Jupiter
What is the 3rd planet from the sun?
A. Mars
B. Earth
C. Pluto
D. Uranus
B. Earth
What is the name of our galaxy?
A. Mars
B. Twix
C. Milky way
D. Kit kat
C. Milky way
What is perihelion in a planet’s orbit?
A. The point where the planet is farthest from the Sun
B. The point where the planet is closest to the Sun
C. The point where the planet moves the slowest
D. The point where the planet’s orbit becomes circular
B. The point where the planet is closest to the Sun
As the distance between objects increase, the force of gravity decreases.
True or False
True
This planet has the most beautiful rings.
a. Mars
b. Saturn
c. Jupiter
d. Neptune
b. Saturn
Which object has the most gravity?
A. Sun
b. Jupiter
c. Earth
d. Moon
A. Sun. It is the most massive object in our solar system.
The measure of how far an object's orbit is from being circular is its orbit?
True or False
False. It is its eccentricity.
How much is an astronomical unit?
a) The average distance from the Earth to the Sun
b) The distance light travels in one year
c) The distance between the Earth and the Moon
a) The average distance from the Earth to the Sun (ca. 149.6 million kilometers)
Who is the first person to walk on the moon?
A. Neil Armstrong
B. Michael Faraday
C. Buzz Lightyear
D. Isaac Newton
A. Neil Armstrong
This object is made of gas and generally round. It has many moons and is closer than Saturn to earth.
a. Sun
b. Jupiter
c. Venus
d. Mars
B. Jupiter
Which planet is the largest in the solar system?
A. Earth
B. Saturn
C. Jupiter
D. Neptune
C. Jupiter
What are Galaxies made of?
A. Dust
B. Gas
C. Stars
D. All of above
D - Galaxies are made of gas, dust, and stars
According to Kepler’s Third Law, if Planet A is farther from the Sun than Planet B, Planet A will:
A. Move faster in its orbit
B. Have a shorter orbital period
C. Have a longer orbital period
D. Have the same orbital period
C. Have a longer orbital period
How much of Earth covered by water?
A. 71%
B. 55%
C. 60%
D. 92%
A. 71%
Name the 8 planets in our solar system in order.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Which characteristic best distinguishes terrestrial planets from gas giants?
A. Terrestrial planets have moons, gas giants do not
B. Terrestrial planets are closer to the Sun and made mostly of rock
C. Terrestrial planets have rings
D. Terrestrial planets have thicker atmospheres
B. Terrestrial planets are closer to the Sun and made mostly of rock
What separates the four inner planets and the four outer planets?
A. An asteroid Belt
B. Some stars
C. Some Moons
D. The milky way
A - an asteroid Belt
What does Kepler’s Third Law say?
A. Planets move around the Sun in oval-shaped paths.
B. Planets move faster when they are closer to the Sun.
C. The time it takes a planet to go around the Sun is related to how far it is from the Sun.
D. Gravity pulls objects toward each other.
C. The time it takes a planet to go around the Sun is related to how far it is from the Sun.
What is the main reason Venus experiences a runaway greenhouse effect?
A. It is closest to the Sun
B. It has a very thick carbon dioxide atmosphere
C. It rotates too slowly
D. It lacks volcanic activity
B. It has a very thick carbon dioxide atmosphere