Unit One Quiz

Which group represents the correct order of planets from the Sun?

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mercury, Earth, Venus, Mars, Saturn, Uranus, Neptune

• Venus, Mercury, Mars, Earth, Saturn, Jupiter, Neptune, Uranus,

• Mars, Venus, Mercury, Jupiter, Earth, Neptune, Uranus, Saturn

Which of the following describes a comet?

• Has a coma and a tail made of ice and rock.

• Made of small rocks and dust

• Made of space dust

Which planets are the terrestrial (rocky) planets?

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Venus, Earth, Saturn

• Jupiter, Mercury, Venus, Earth

To move in a path around an object

• orbit
• rotate
• revolve

What two things determine the gravity of an object?

• length & height

• mass & distance

• color & mass

• volume & distance

An example of a gravity is that the Earth... 

• orbits the sun
• orbits the moon
• orbits other planets 
• none of the above 

Planets in our solar system revolve around one star called the _____.

• moon

• earth

• sun

• star

They are sometimes called "shooting stars."

• Asteroids

• Interplanetary Dust

• Meteors

• Comets

What is the main difference between the heliocentric theory and geocentric theory of the solar system?

• The heliocentric theory has Earth as the center of the solar system, and the geocentric theory has the Sun as the center of the solar system.

• The heliocentric theory has the Sun as the center of the solar system, and the geocentric theory has the Earth has the center of the solar system.

• The heliocentric theory has Earth moving around the Moon, and the geocentric theory has the Sun moving around the Moon.

• The heliocentric theory has the Sun moving around the Earth, and the geocentric theory has Earth moving around the Sun.

What did Hubble discover?

• That there are many galaxies beyond the Milky Way.

• The phases of Venus.

• 4 of Jupiter's moons.

• The laws of gravitational force.