space

Question 1

astronomical unit

Answer 1

distance form the sun to the Earth
-one au= 149, 597, 870.7 km

Question 2

light year

Answer 2

distance light can travel in 365.25 days
- one ly= 9,460,730,472,580.8 km

Question 3

mass

Answer 3

the amount of matter that exsists within an object
-how much resistance an object has without changing

Question 4

momentum

Answer 4

the motion of a moving body as a result of mass X velocity

Question 5

gravity

Answer 5

the force of attration between all objects with mass

Question 6

function of gravity

Answer 6

pull toward the center of mass of an object

Question 7

affects of gravity can be altered in 2 ways:

Answer 7

mass and distance

Question 8

gravity alter mass

Answer 8

-the greater the mass of an object the greater the gravitational pull
-the small the mass of an object the weaker the gravitational pull

Question 9

gravity alter distance

Answer 9

-the closer the objects are the greater the gravitational pull
-the further away the objects are the weaker the gravitational pull

Question 10

orbit

Answer 10

the curved path that an object takes to travel around another object that typically has a higher mass

Question 11

weight

Answer 11

how that mass is affected by gravity

Question 12

elliptical

Answer 12

oval in shape (path)

Question 13

weight unit of meausre

Answer 13

newtons

Question 14

mass unit of measure

Answer 14

kilograms

Question 15

gravity unit of measure

Answer 15

constant on earth at 9.8 m/s squared

Question 16

formula for weight

Answer 16

W=mg

Question 17

spiral

Answer 17

the very cool pinwheeled shape

Question 18

lenticular

Answer 18

a cross between spiral and ellipitical

Question 19

ellipitical age

Answer 19

very old

Question 20

irregular

Answer 20

no defined shape
-thought to be caused by collisions

Question 21

rotation

Answer 21

the Earth rotates on it’s axis (imaginery vertical line around in whcih earth spins)
-every 24 hours

Question 22

revolution

Answer 22

the time it takes the Earth to travel or revolve around the sun once
-365.25 days

Question 23

seasons

Answer 23

caused by changes in the length of time a side of the Earth is exposed to sunlight

Question 24

solstice

Answer 24

-occurs twice a year
-tilted the closest
-winter is shortest day of the year
-summer is longest day of year

Question 25

equinotes

Answer 25

–literally means equal nights
-why day is 12 hours and night is 12 hours

Question 26

moon phases

Answer 26

are changes in illumination that are caused by the angle of the moon compared to the sun
-each change or stadge takes 29.5 days

Question 27

waxing

Answer 27

moon appears to “get bigger” if right side of moon is illuminated
-more illuminated

Question 28

waning

Answer 28

moon appears to “get smaller” if the left of the moon is illuminated
-less illumination

Question 29

eclipses

Answer 29

when one object gets in between you and another object and blocks your view

Question 30

lunar eclipses

Answer 30

the position of the Earth is blocking sunlight from reaching the moon

Question 31

solar eclipses

Answer 31

when the position of the moon is blocking sunlight from reaching Earth

Question 32

umbra

Answer 32

-very dark center of the shadow
-area that expierences the highest amount of light being blocked from the sun

Question 33

penumbra

Answer 33

-the lighter outer area of the shadowed area.
-only expiuerences partial bloackage of light from the sun
-we were this in solar eclipses

Question 34

velocity

Answer 34

speed and direction of an object