Science_Vocab_GP4_Space_Feb

Question 1

LIGHT-YEAR

Answer 1

Distance that light travels in one (1) year. (1 light-year =9x10 (12) km, speed of light =300,000 km/s)

Question 1

CONVECTION ZONE

Answer 1

where the hot gas moves toward the surface and cooler gas moves deeper into the interior

Question 2

A cloud of gas and dust

Answer 2

NEBULA (nebulae)

Question 3

PHOTOSPHERE

Answer 3

the apparent surface of a star

Question 3

Distance that light travels in one (1) year. (1 light-year =9x10 (12) km, speed of light =300,000 km/s)

Answer 3

LIGHT-YEAR

Question 4

CHROMOSPHERE

Answer 4

the orange-red layer above the photosphere

Question 4

BLACK HOLE

Answer 4

An object whose gravity is so great that no light can escape.

Question 4

The wide, outermost layer of a star’s atmosphere

Answer 4

CORONA

Question 4

The universe began from one point billions of years ago and has been expanding ever since.

Answer 4

BIG BANG THEORY

Question 5

True brightness of an object.

Answer 5

LUMINOSITY

Question 6

LUMINOSITY

Answer 6

True brightness of an object.

Question 7

SUPERNOVA

Answer 7

A enormous explosion that destroys a star

Question 7

Graph that plots luminosity v. temperature of stars.

Answer 7

HERTZSPRUNG-RUSSELL DIAGRAM

Question 7

A hot dense slowly cooling sphere of carbon

Answer 7

WHITE DWARF

Question 8

Average distance from Earth to the sun, about 150 million km.

Answer 8

ASTRONIMICAL UNIT

Question 8

the apparent surface of a star

Answer 8

PHOTOSPHERE

Question 9

An object whose gravity is so great that no light can escape.

Answer 9

BLACK HOLE

Question 11

NUCLEAR FUSION

Answer 11

Process that occurs when the nuclei of several atoms combine into one larger nucleus.

Question 11

HERTZSPRUNG-RUSSELL DIAGRAM

Answer 11

Graph that plots luminosity v. temperature of stars.

Question 12

STAR

Answer 12

Large ball of gas held together by gravity with a core so hot that nuclear fusion occurs.

Question 13

A shell of cooler hydrogen above a star’s core

Answer 13

RADIATIVE ZONE

Question 14

CORONA

Answer 14

The wide, outermost layer of a star’s atmosphere

Question 15

NUETRON STAR

Answer 15

A dense core of neutrons that remain after a supernova

Question 16

ASTEROID

Answer 16

Small, rocky object that orbits the sun in the asteroid belt between Mars & Jupiter.

Question 18

Matter that emits no light at any wavelength

Answer 18

DARK MATTER

Question 19

BIG BANG THEORY

Answer 19

The universe began from one point billions of years ago and has been expanding ever since.

Question 20

where the hot gas moves toward the surface and cooler gas moves deeper into the interior

Answer 20

CONVECTION ZONE

Question 20

Huge collection of stars

Answer 20

GALAXIES

Question 22

APPARENT MAGNITUDE

Answer 22

Measure of how bright an object appears from Earth.

Question 24

A dense core of neutrons that remain after a supernova

Answer 24

NUETRON STAR

Question 26

WHITE DWARF

Answer 26

A hot dense slowly cooling sphere of carbon

Question 28

GALAXIES

Answer 28

Huge collection of stars

Question 28

DOPPLER SHIFT

Answer 28

The shift to a different wavelength

Question 29

spreads light into different wavelengths

Answer 29

SPECTROSCOPE

Question 30

the orange-red layer above the photosphere

Answer 30

CHROMOSPHERE

Question 32

Process that occurs when the nuclei of several atoms combine into one larger nucleus.

Answer 32

NUCLEAR FUSION

Question 33

DARK MATTER

Answer 33

Matter that emits no light at any wavelength

Question 35

PERIOD OF ROTATION

Answer 35

The time it takes an object to complete one rotation.

Question 37

ASTRONIMICAL UNIT

Answer 37

Average distance from Earth to the sun, about 150 million km.

Question 39

Small, rocky object that orbits the sun in the asteroid belt between Mars & Jupiter.

Answer 39

ASTEROID

Question 40

APPARENT

Answer 40

Appearing to eye or mind.

Question 41

Apparent change in an object?s position caused by looking at it from two different points.

Answer 41

PARALLAX

Question 42

Appearing to eye or mind.

Answer 42

APPARENT

Question 43

Object made of gas, dust, and ice that moves around the sun in an oval-shaped orbit.

Answer 43

COMET

Question 44

NEBULA (nebulae)

Answer 44

A cloud of gas and dust

Question 46

RADIATIVE ZONE

Answer 46

A shell of cooler hydrogen above a star's core

Question 47

Path an object follows as it moves around another object.

Answer 47

ORBIT

Question 48

ORBIT

Answer 48

Path an object follows as it moves around another object.

Question 49

The time it takes an object to complete one rotation.

Answer 49

PERIOD OF ROTATION

Question 50

COMET

Answer 50

Object made of gas, dust, and ice that moves around the sun in an oval-shaped orbit.

Question 51

SPECTROSCOPE

Answer 51

spreads light into different wavelengths

Question 52

PARALLAX

Answer 52

Apparent change in an object?s position caused by looking at it from two different points.

Question 53

PERIOD OF REVOLUTION

Answer 53

Time it takes an object to travel once around the sun.

Question 54

The shift to a different wavelength

Answer 54

DOPPLER SHIFT

Question 55

Measure of how bright an object appears from Earth.

Answer 55

APPARENT MAGNITUDE

Question 56

Large ball of gas held together by gravity with a core so hot that nuclear fusion occurs.

Answer 56

STAR

Question 57

A enormous explosion that destroys a star

Answer 57

SUPERNOVA

Question 58

Time it takes an object to travel once around the sun.

Answer 58

PERIOD OF REVOLUTION