U4 Space Review

The more _______ and object has, the more gravity it will have.

• mass

• weight

Tags

NGSS.MS-PS2-4

Mars has less gravity than Earth because Mars has __________ mass than Earth.

• less

• more

• the same

Tags

NGSS.MS-PS2-4

Weight is a person's mass AND the force of gravity of the planet the person is on. A person would weigh more on Jupiter than on the Earth because . . .

• Jupiter has more mass, and therefore more gravity

• Jupiter has less mass, and therefore more gravity

Tags

NGSS.MS-PS2-4

What celestial body is the center of our solar system, around which every object orbits?

• Earth

• Jupiter

• The Sun

• The asteroid belt

Tags

NGSS.MS-ESS1-2

The four planets that orbit closest to the Sun are best described as -

• mostly made up of gases

• having rings similar to Saturn's

• having a rocky and terrestrial surface

• being compsed entirely of water

Tags

NGSS.MS-PS1-1

Scientists discover a relatively small, icy object in its own orbital path around the Sun. Based on this information, the object is most like which of the following?

• comet

• star

• planet

• moon

Why do planets orbit the Sun?

• The Sun is the only celestial object that has a gravitational pull

• The Sun’s chemical composition makes it attract planets

• Only celestial bodies that emit light, like the Sun, can be at the center of an orbit

• The Sun is the most massive object in our solar system, so it exerts the greatest gravitational pull

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What are large chunks of rocks and metal in space?

• Earth

• comet

• asteroids

• gibbous

These are the 4 planets (Mercury, Venus, Earth, Mars) are known as

• terrestrial planets

• gas giants

• dwarf planets

• solar planets

These are the four planets the Sun; Jupiter, Saturn, Uranus, and Neptune are classified as

• terrestrial planets

• gas giants

• solar planets

• the best planets