Vocabulry

Question 1

Meteorite

Answer 1

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

Question 2

Impact Crater

Answer 2

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

Question 3

Universe

Answer 3

Space and all the matter and energy in it.

Question 4

Gravity

Answer 4

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

Question 5

Umbra

Answer 5

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

Question 6

Comet

Answer 6

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

Question 7

Tide

Answer 7

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

Question 8

Equinox.

Answer 8

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

Question 9

Asteroid

Answer 9

A small solid rocky body that orbits the sun.

Question 10

Gibbous Moon

Answer 10

More than half but less than fully illuminated.

Question 11

Axis of Rotation

Answer 11

An imaginary line about which a turning body such as earth

Question 12

Heliocentric Theory

Answer 12

A sun centered theory of the universe

Question 13

Orbit

Answer 13

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

Question 14

Meteor

Answer 14

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

Question 15

Satellite

Answer 15

An object that orbits a more massive object

Question 16

New Moon

Answer 16

The entire surface of the moon is not illuminated.

Question 17

Solstice

Answer 17

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

Question 18

Galaxy

Answer 18

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

Question 19

Ellipse

Answer 19

An oval or flattened circle

Question 20

Full moon

Answer 20

The entire surface of the moon is illuminated

Question 21

Mare

Answer 21

A large dark plain of solidified lava on the moon

Question 22

Quarter moon

Answer 22

Half of the moon is illuminated

Question 23

Penumbra

Answer 23

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

Question 24

Waning

Answer 24

The gradual decrease in the illuminated surface of the moon

Question 25

Astronomical Unit

Answer 25

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

Question 26

Terrestrial Planet

Answer 26

A planet that has a rocky surface

Question 27

Gas Giant

Answer 27

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

Question 28

Season

Answer 28

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

Question 29

Solar System

Answer 29

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

Question 30

Crescent moon

Answer 30

The illuminated surface is less than a quarter illuminated

Question 31

Revolution

Answer 31

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

Question 32

Waxing

Answer 32

The gradual increase of the illuminated surface of the moon

Question 33

Eclipse

Answer 33

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

Question 34

Aphelion

Answer 34

How far a planet gets from the sun

Question 35

Perihelion

Answer 35

How close a planet gets to the sun

Question 36

Geocentric

Answer 36

Earths centered theory of the solar system.