Space vocabulary

Question 1

A small object from outer space that passes through Earth’s atmosphere and reaches the surface.

Answer 1

Meteorite

Question 2

Half of the moon is illuminated.

Answer 2

Quarter Moon

Question 3

The entire surface of the moon is not illuminated.

Answer 3

New moon

Question 4

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

Answer 4

Astronomical unit

Question 5

The motion of one body around another, such as the Earth in its orbit around.

Answer 5

Revolution

Question 6

The illuminated surface is less than one quarter illuminated.

Answer 6

Crescent moon

Question 7

A region of light or shadow that may surround a dark central region.

Answer 7

Penumbra

Question 8

A large dark plain of solidified lava on the moon.

Answer 8

Mare

Question 9

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

Answer 9

Comet

Question 10

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

Answer 10

Eclipse

Question 11

More than half but less than fully illuminated

Answer 11

Gibbous

Question 12

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

Answer 12

Orbit

Question 13

A sun centered theory of the universe.

Answer 13

Heliocentric theory

Question 14

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

Answer 14

Tide

Question 15

The gradual decrease in the illuminated surface of the moon.

Answer 15

Waning

Question 16

Earth centered theory of the solar system.

Answer 16

Geocentric theory

Question 17

An oval or flattened circle

Answer 17

Ellipse

Question 18

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

Answer 18

Season

Question 19

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

Answer 19

Gravity

Question 20

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

Answer 20

Impact Crater

Question 21

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

Answer 21

Solar System

Question 22

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

Answer 22

Gas Giant

Question 23

The entire surface of the moon is illuminated.

Answer 23

Full Moon

Question 24

An object that orbits a more massive object.

Answer 24

Satellite

Question 25

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

Answer 25

Axis of Rotation

Question 26

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

Answer 26

Meteor

Question 27

A small solid rocky body that orbits the sun.

Answer 27

Asteroid

Question 28

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

Answer 28

Umbra

Question 29

A planet that has a rocky surface.

Answer 29

Terrestrial Planet

Question 30

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

Answer 30

Equinox

Question 31

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

Answer 31

Solstice

Question 32

The gradual increase of the illuminated surface of the moon.

Answer 32

Waxing

Question 33

Space and all matter and energy in it.

Answer 33

Universe

Question 34

More than half but less than fully illuminated.

Answer 34

Gibbous Moon

Question 35

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

Answer 35

Galaxy

Question 36

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

Answer 36

Eclipse