Space Vocabulary

Question 1

Universe

Answer 1

Space and all the matter and energy in it.

Question 2

Meteorite

Answer 2

A small object from outer space that passes through earths atmosphere and reaches the surface.

Question 3

Half of the moon is illuminated

Answer 3

Quarter moon

Question 4

The entire surface of the moon is not illuminated

Answer 4

New moon

Question 5

Average distance from the sun which is 93,000,000 miles

Answer 5

Astronomical Unit

Question 6

Revolution

Answer 6

The motion of one body around another, such as the earth in its orbit around the sun

Question 7

The illuminated surface is less than a quarter illuminated

Answer 7

Crescent moon

Question 8

A region of lighter shadow that may surround a dark central region

Answer 8

Penumbra

Question 9

A large dark plain of solidified lava on the moon.

Answer 9

Mare

Question 10

Millions and billions of stars held together in a group by their own gravity.

Answer 10

Galaxy

Question 11

The dark central region of a shadow such as the cone of complete shadow cast by an object

Answer 11

Umbra

Question 12

A body that produces a coma of gas and dust, a small icy body that orbits the sun

Answer 12

Comet

Question 13

An event during which one object in space casts a shadow onto another

Answer 13

Eclipse

Question 14

More than half but less than fully illuminated

Answer 14

Gibbous moon

Question 15

The path of an object in space as it moves around another object due to gravity

Answer 15

Orbit

Question 16

A sun centered theory of the universe

Answer 16

Heliocentric theory

Question 17

The rise and fall of the oceans caused by the gravitational pull of the moon and sun

Answer 17

Tides

Question 18

The gradual decrease in the illuminated surface of the moon

Answer 18

Waning

Question 19

Earth centered theory of the solar system

Answer 19

Geocentric theory

Question 20

An oval or flattened circle

Answer 20

Ellipse

Question 21

One of a pattern of temperature changes and other weather trends over the course of a year

Answer 21

Season

Question 22

The force that objects exert on one another because of their mass.

Answer 22

Gravity

Question 23

A round pit left behind on the surface of a planet after a smaller object strikes the surface

Answer 23

Impact Crater

Question 24

The sun and its family of orbiting planets and moons and other objects.

Answer 24

Solar system

Question 25

A large planet that consists mostly of gases in a dense form

Answer 25

Gas giant

Question 26

The entire surface of the moon is illuminated

Answer 26

Full moon

Question 27

An object that orbits a more massive object

Answer 27

Satellite

Question 28

An imaginary line about which a turning body such as Earth rotates

Answer 28

Axis of rotation

Question 28

A brief streak of light produced by a particle entering Earths atmosphere at high speed

Answer 28

Meteor

Question 29

A small solid rocky body that orbits the sun

Answer 29

Asteroid

Question 30

A planet that has a rocky surface

Answer 30

Terrestrial planet

Question 31

In an orbit, a position and time in which sun shines equally on both hemispheres

Answer 31

Equinox

Question 32

In an orbit, a position and time during which one hemisphere receives the maximum sunlight

Answer 32

Solstice

Question 33

The gradual increase of the illuminated surface of the moon

Answer 33

Waxing