quiz review

Question 1

billions of years ago space junk came together and formed moon and earth at the same time- theory probably incorrect

Answer 1

co accretion theory

Question 2

earth was spinning super fast and one part broke off and formed moon- probably incorrect- no proof showing earth ever spun that fast

Answer 2

fission theory

Question 3

moon was formed somewhere else and was pulled into the gravitational pull of the earth- probably incorrect

Answer 3

capture theory

Question 4

mars-sized planet crashed into earth and caused big piece to break off and form moon- probably correct

Answer 4

collision theory

Question 5

full moon cycle

Answer 5

29.5 days

Question 6

from 1 new moon to 1 full moon

Answer 6

14.75 days

Question 7

moonlight seems to grow and shrink from the _____ side

Answer 7

right

Question 8

sudden bright streaks in the sky- shooting stars

Answer 8

meteors

Question 9

giant ball of hot gas composed mostly of hydrogen and helium

Answer 9

star

Question 10

a body that orbits a planet

Answer 10

satellite

Question 11

an object that orbits the sun, is large enough to become rounded by it’s own gravity, has cleared the area of it’s orbit

Answer 11

planet

Question 12

a pattern or group of stars that people imagined to represent a figure, animal, or object

Answer 12

constellation

Question 13

the imaginary line that passes through earth’s center and the north and south poles

Answer 13

axis

Question 14

the spinning of earth on its axis

Answer 14

rotation

Question 15

the movement of one object around another

Answer 15

revolution

Question 16

the path of a celestial body or spacecraft around a star, planet, or moon

Answer 16

orbit

Question 17

a system of organizing time that defines the beginning, length, and divisions of a year

Answer 17

calendar

Question 18

the days of the year that the sun appears farthest north of the equator once a year and when the sun appears farthest south of the equator once a year

Answer 18

solstice

Question 19

halfway between the solstices- the noon sun is directly overhead the equator- day and night are both about 12 hours

Answer 19

equinox

Question 20

the cause of the seasons

Answer 20

earth’s tilt on it’s axis- causes north and south hemispheres to be tilted towards and away from the sun at different times- causes seasons

Question 21

the force that attracts all objects toward eachother

Answer 21

gravity

Question 22

the amount of matter in an object

Answer 22

mass

Question 23

the measure of the force of gravity on an object

Answer 23

weight

Question 24

a push or a pull

Answer 24

force

Question 25

the amount of compactness of an object

Answer 25

density

Question 26

when the moon passes directly between the sun and earth, blocking sunlight from earth. moon’s shadow hits earth

Answer 26

solar eclipse

Question 27

occurs at full moon when earth is directly between the sun and moon. moon moves near earths shadow and earth’s shadow is visible on the moon

Answer 27

lunar eclipse

Question 28

the darkest part of the moon’s shadow

Answer 28

umbra

Question 29

the larger, less dark part of the moon’s shadow

Answer 29

penumbra

Question 30

the rise and fall of ocean water that occurs about every 12.5 hours. water rises for about 6 hours and falls for about 6 hours

Answer 30

tides

Question 31

when the earth moon and sun are lined up and produce the greatest difference between high and low tides

Answer 31

spring tide

Question 32

when the earth moon and sun form a right angle and produces the least difference between high and low tides

Answer 32

neap tide