Space Unit

What features are necessary to classify a space object as a planet?

• many moons, closeness to the Sun, and a rocky core

• orbits a star, is round, and has no debris around it

• location inside the asteroid belt, orbits a star, has rings

• has gravity, orbits another object, and at least one satellite

Which three are terrestrial planets?

• Mars, Mercury, Nepture

• Uranus, Earth, Mars

• Mars, Mercury, Venus

• Saturn, Venus, Jupiter

Which two planets do not have moons?

• Mars and Neptune

• Mercury and Venus

• Uranus and Venus

• Saturn and Mercury

How do dwarf planets differ from planets?

• surrounded by debris

• smaller than Pluto

• located beyond the Kuiper Belt

• are not round

Which law explains the speed at which any planet will move?

• Kepler's first law of planetary motion

• Kepler's second law of planetary motion

• Kepler's third law of planetary motion

• Kepler's fourth law of planetary motion

What are the small, rocky or metallic, space objects that make it to Earth's surface called?

• comets

• meteoroids

• asteroids

• meteorites

What type of telescope uses invisible radiation to observe distance objects?

• optical telescope

• refracting telescope

• nonoptical telescope

• reflecting telescope

Tags

NGSS.MS-PS4-2

What kind of vessel did the space shuttle program use?

• reusable spacecraft

• orbital space station

• uncrewed space probes

• artificial satellites

What is the movement of the Moon around the Earth called?

• eclipse

• rotation

• ellipse

• revolution

Tags

NGSS.MS-ESS1-1

What term is used to describe the time it takes for Earth to make one rotation in relation to the Sun?

• sidereal day

• rotation

• solar day

• orbital plane