Space Vocabulary

Question 1

Half of the moons surface is illuminated

Answer 1

Quarter moon

Question 2

The entire surface of the moon is not illuminated

Answer 2

New moon

Question 3

The entire surface of the moon is illuminated

Answer 3

Full moon

Question 4

the illuminated surface is less than a quarter illuminated

Answer 4

Crescent moon

Question 5

More than half but less than fully illuminated

Answer 5

Gibbous moon

Question 6

The gradual decrease in the illuminated surface of the moon

Answer 6

Waning

Question 7

the gradual increase of the illuminated surface of the moon

Answer 7

Waxing

Question 8

the rise and fall of the ocean levels caused by the gravitational pull of the moon

Answer 8

Tide

Question 9

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

Answer 9

Gravity

Question 10

A sun centered theory of the solar system

Answer 10

Heliocentric

Question 11

Earth centered theory of the solar system

Answer 11

Geocentric

Question 12

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

Answer 12

Meteorite

Question 13

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

Answer 13

Meteor

Question 14

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

Answer 14

Comet

Question 15

a small solid rocky body that orbits the Sun.

Answer 15

Asteroid

Question 16

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

Answer 16

Gas giant

Question 17

A planet that has a rocky surface

Answer 17

Terrestrial planet

Question 18

An oval or flattened circle

Answer 18

Ellipse

Question 19

Average distance from the sun which is approximately 93,000,00 miles or 150 million kilometers

Answer 19

Astronomical unit

Question 20

A region of lighter shadow that may surround a dark central region. The spreading cone of lighter shadow cast by an object

Answer 20

Penumbra

Question 21

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

Answer 21

Umbra

Question 22

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

Answer 22

Eclipse

Question 23

a large, dark, plain of solidified lava on the moon

Answer 23

Mare

Question 24

In an orbit, a position and time during which one hemisphere revives it maximum area of sunlight while the other

Answer 24

Solstice

Question 25

In an orbit, a position and time in which sunlight shines equally on the Northern and Summer Hemispheres.

Answer 25

Equinox

Question 26

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

Answer 26

Season

Question 27

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

Answer 27

Revolution

Question 28

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

Answer 28

Axis of rotation

Question 29

A round pit left behind on the surface of a planet or other body in space after a smaller object strikes the surface

Answer 29

Impact crater

Question 30

An object that orbits a more massive object

Answer 30

Satellite

Question 31

Space and all the matter and energy in it.

Answer 31

Universe

Question 32

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

Answer 32

Galaxy

Question 33

Our solar system consists of an average star we call the Sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. It includes: the satellites of the planets; numerous comets, asteroids, and meteoroids; and the interplanetary medium.

Answer 33

Solar system

Question 34

the path of an object as it revolves around another object due to gravity

Answer 34

Orbit