outer space vocab

Question 1

photons

Answer 1

particles of light and energy

Question 2

chromosphere

Answer 2

a red layer of the sun that is 1000 miles thick

Question 3

corona

Answer 3

the outermost layer or atmosphere of the sun

Question 4

sunspot

Answer 4

a temporary dark spot on the photosphere layer of the sun

Question 5

solar flare

Answer 5

a sudden eruption in the solar atmosphere.

Question 6

nebula

Answer 6

an interstellar cloud of dust and gas

Question 7

main sequences star

Answer 7

medium size star in the middle of the life span.

Question 8

red giant

Answer 8

a large, cool star of high luminosity

Question 9

white dwarf

Answer 9

after the red giant

Question 10

photons

Answer 10

bundles of electromagnetic radiation also particles of light and energy.

Question 11

7 main stars

Answer 11

OBAFGKM

Question 12

doppler effect

Answer 12

an apparent change in the frequency of a wave caused by the motion of the observer or source.

Question 13

high frequency

Answer 13

the higher the frequency the shorter the wavelength

Question 14

low frequency

Answer 14

the lower the frequency the longer the wavelength

Question 15

blue shift

Answer 15

decrease in wavelength

Question 16

redshift

Answer 16

an increase in wavelength

Question 17

radial velocity

Answer 17

the velocity that’s directed straight at or way from object

Question 18

stages of stars life

Answer 18

nebula, main sequence star, red giant, white dwarf

Question 19

layers of sun from inside- outside

Answer 19

core,radiation zone, convection zone (circles), photosphere, chromosphere, corona.

Question 20

big bang theory

Answer 20

the current model that describes the early development of the universe.

Question 21

Kepler’s first law of planetary motion

Answer 21

the orbit of a planet around the sun is an ellipse with the sun at one focus.

Question 22

ellipse

Answer 22

an oval shape

Question 23

major axis

Answer 23

the max diameter of an ellipse

Question 24

semimajor axis

Answer 24

half of the major axis.

Question 25

eccentricity

Answer 25

the extent to which an orbit deviates from a circle.

Question 26

vernal equinox

Answer 26

the time spring begins in the northern hemisphere and winter in the southern hemisphere

Question 27

summer solstice

Answer 27

the beginning of summer in the northern hemisphere and winter in the southern hemisphere.

Question 28

autumn equinox

Answer 28

autumn begins in the north and spring in the south.

Question 29

planetesimal

Answer 29

a small, irregular shaped body formed by colliding matter.

Question 30

planet

Answer 30

an astronomical object that orbits a star & doesn't shine it's own light

Question 31

pangea

Answer 31

one earth. supercontinent. all together.

Question 32

continental drift

Answer 32

the theory that land on earth started as pangea than split into continentals.

Question 33

plate tectonics

Answer 33

the theory that the surfaces of the earth is broken into larger pieces of crust called plates.

Question 34

asthenosphere

Answer 34

the upper part of the mantle.

Question 35

crust

Answer 35

hard outer layer of the earth.

Question 36

fault

Answer 36

a crack in the earths crust resulting from the moment of the 2 plates.

Question 37

oceanic crust

Answer 37

crust under the ocean, more dense.

Question 38

continental crust

Answer 38

crust under the land.

Question 39

divergent boundary

Answer 39

a fault where the 2 plates are moving away from each other. volcanoes are common.

Question 40

convergent boundary

Answer 40

a boundary where 2 plates collide.forms islands, mountains, and trenches.

Question 41

transform boundary

Answer 41

where 2 plates slide past each other. causes earthquakes.

Question 42

convection

Answer 42

the rising of warm particles and the sinking of cool particles.

Question 43

water cycle

Answer 43

the natural cycling of water through places and phases on earth

Question 44

surface water

Answer 44

lakes, rivers, streams on earth.

Question 45

soil moisture

Answer 45

water that is in the ground but above ground water.

Question 46

hydrolic cycle

Answer 46

the process by which water moves from place to place.

Question 47

hydrosphere

Answer 47

the layer of earth where water is present.

Question 48

evaporation

Answer 48

when water changes to liquid to gas

Question 49

condensation

Answer 49

gas to liquid. (clouds)