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Solar System Vocab Quiz

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

What are planetesimals?

a)

Small celestial bodies that form planets

b)

Large stars in the galaxy

c)

Moons orbiting planets

d)

Comets in the solar system

2.

What does the term "Great bombardment" refer to?

a)

A period of intense meteorite impacts

b)

A large-scale volcanic eruption

c)

A massive solar flare

d)

A supernova explosion

3.

What does "geocentric" mean?

a)

Earth-centered

b)

Sun-centered

c)

Moon-centered

d)

Star-centered

4.

What does "heliocentric" mean?

a)

Sun-centered

b)

Earth-centered

c)

Moon-centered

d)

Star-centered

5.

What is an elliptical plane?

a)

The flat, disk-shaped space in which planets orbit

b)

A circular orbit path

c)

A vertical orbit path

d)

A random orbit path

6.

What are terrestrial planets?

a)

Rocky planets like Earth

b)

Gas giants like Jupiter

c)

Ice planets like Neptune

d)

Dwarf planets like Pluto

7.

What are exo-planets?

a)

Planets outside our solar system

b)

Planets within our solar system

c)

Moons of other planets

d)

Stars in other galaxies

8.

What is the Goldilocks zone?

a)

The habitable zone around a star

b)

The hottest part of a planet

c)

The coldest part of a planet

d)

The center of a galaxy

9.

What are gas giants?

a)

Large planets made mostly of gas

b)

Small rocky planets

c)

Moons with thick atmospheres

d)

Stars with high gas content

10.

What defines a planet?

a)

A celestial body orbiting a star

b)

A star in a galaxy

c)

A moon orbiting a planet

d)

A comet in the solar system

11.

What are dwarf planets?

a)

Small celestial bodies that orbit the sun

b)

Large stars in the galaxy

c)

Moons orbiting planets

d)

Comets in the solar system

12.

What is the Oort Cloud?

a)

A distant region of icy bodies surrounding the solar system

b)

A cloud of gas around a star

c)

A ring of asteroids between Mars and Jupiter

d)

A cluster of stars in a galaxy

13.

What is a space particle that burns up in Earth's atmosphere, creating a shooting star or falling star?

a)

Meteor

b)

Meteoroid

c)

Meteorite

d)

Asteroid

14.

Small rocks floating in space are considered ____.

a)

Meteors

b)

Meteoroids

c)

Meteorites

d)

Asteroids

15.

When a meteoroid survives a trip through the atmosphere and hits the ground, it’s called a ____.

a)

Meteors

b)

Meteoroids

c)

Meteorites

d)

Asteroids

16.

____ are large space rocks that orbit the sun.

a)

Meteors

b)

Meteoroids

c)

Meteorites

d)

Asteroids

17.

____ are space objects made of ice, dust, and rocks that orbit the sun with a “tail” of gas and dust particles pointing away from the sun.

a)

Meteoroids

b)

Comets

c)

Asteroids

d)

Planets