8th Grade Space Science Review

Which of the following objects is the SMALLEST celestial body?

• moon

• galaxy

• solar system

• star

Tags

NGSS.MS-ESS1-3

What force keeps all of the universe together?

• electricity

• magnetism

• gravity

• hope

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

The more massive the object the ____ gravity it'll have.

• more

• less

Tags

NGSS.MS-PS2-4

Which objects have more gravity between them? All objects are the same size.

A is 20 ft from B

C is 50 ft from D

• A and B

• C and D

Gravity is dependent upon what two factors? Select both

• mass

• weight

• distance

• color

Tags

NGSS.MS-PS2-4

Astronomical units are used to measure the distance of objects within our solar system. What does an AU represent?

• distance of Mars to Jupiter

• distance of the Sun to Earth

• distance of Pluto to Venus

• distance of Earth to the Moon

Tags

NGSS.MS-ESS1-3

A light year (LY) represents how far light travels in a year. A light year would be used to measure....

• distance from Mars to Neptune

• distance from the asteroid belt to Jupiter

• distance from the Moon to Earth

• distance from the Milky Way to another galaxy

What are stars made of?

• hydrogen, helium

• carbon, methane

• lithium, sodium

• hydrogen, carbon

Tags

NGSS.MS-PS1-1

All stars begin as a cloud of dust and gas known as a...

• nebula

• black hole

• main sequence star

• supernova

A star's color depends on its ___

• density

• weight

• temperature

• orbit