Earth In Space

Front 1

The movement of one object around another object

Back 1

Revolution

Front 2

The imaginary line hat passes through earths center and the north and south poles

Back 2

Axis

Front 3

The path of an objects it revolves around another object in space

Th

Back 3

Orbit

Front 4

The spinning motion of earth on its axis

Back 4

Rotation

Front 5

the study of the moon, stars, and other objects in space

Back 5

Astronomy

Front 6

- an imaginary line that passes through Earth’s center and the North and South poles, about which Earth rotates

Back 6

Axis

Front 7

-the spinning motion of a planet on its axis

Back 7

Rotation

Front 8

-the movement of an object around another object

Back 8

Revolution

Front 9

-the path of an object as it revolves around another object in space

Back 9

Orbit

Front 10

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

Back 10

Calendar

Front 11

-the two days of the year on which the sun reaches its greatest distance north or south of the equator

Back 11

Solstice

Front 12

-the two days of the year on which neither hemisphere is tilted toward or away from the sun

Back 12

Equinox

Front 13

- any push or pull

Back 13

Force

Front 14

-the attractive force between objects; its strength depends on the mass of the objects and the distance between them

Back 14

Gravity

Front 15

-the scientific law that states that every object in the universe attracts every other object

Back 15

Law of Universal Gravitation

Front 16

-the amount of matter in an object

Back 16

Mass

Front 17

-the force of gravity on an object at the surface of a planet

Back 17

Weight

Front 18

-the tendency of an object to resist a change in motion

Back 18

Inertia

Front 19

-an object at rest stays at rest and an object in motion stays in motion at a constant speed and in a straight line unless acted on by an unbalanced force

Back 19

Newton’s first law of motion

Front 20

-one of the different apparent shapes of the moon as seen from Earth

Back 20

Phases

Front 21

-process in which an object in space comes between the sun and a third object and a shadow is cast on the third object

Back 21

Eclipse

Front 22

-the blocking of sunlight to Earth that occurs when the moon is directly between the sun and Earth

Back 22

Solar eclipse

Front 23

- the darkest part of a shadow

Back 23

Umbra

Front 24

-the part of a shadow surrounding the darkest part

Back 24

Penumbra

Front 25

-the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon

Back 25

Lunar eclipse

Front 26

-the periodic rise and fall of the level of water in the ocean

Back 26

Tide

Front 27

-the tide with the greatest difference between consecutive low and high tides

Back 27

Spring tide

Front 28

- the tide with the least difference between consecutive low and high tides

Back 28

Neap tide

Front 29

2 types eclipses

Back 29

Solar and lunar

Front 30

caused by the rise and fall of ocean water

Back 30

tides

Front 31

Tides depend on how much of the moons ____________ pulls on different parts of the earth

Back 31

gravity

Front 32

Moon phases are caused by

Back 32

Position of moon

Front 33

A round pit on the moons surface

Back 33

Crater

Front 34

When the moons shadow hits earth or earths shadow hits the moon

Back 34

An eclipse happens

Front 35

what causes the moon to move

Back 35

Rotation and Revolution

Front 36

changing position of moon, earth, sun cause

Back 36

phases of the moon

eclipses

tides

Front 37

the phase of the moon you see depends on

Back 37

how much of the sunlight side faces the earth

Front 38

different shapes of the moon are called

Back 38

phases

Front 39

the moon (does/does not) produce its own light

Back 39

does not

Front 40

moon cycle is how many days

Back 40

29

Front 41

because the moon rotates once for each revolution, you never see

Back 41

the far side of the moon

Front 42

during __________ you see the entire face of the moon lit

Back 42

full moon

Front 43

during ____________ the lighted half of the moon faces away, causing dark

Back 43

new moon

Front 44

when an object in space comes between the sun and a third object, what occurs?

Back 44

eclipse

Front 45

A solar eclipse occurs when the moon comes between ______ and _______

Back 45

earth and sun

Front 46

occurs when the earth blocks sunlight from reaching the moon

Back 46

lunar eclipse

Front 47

a lunar eclipse can only happen during a __________ moon

Back 47

full

Front 48

tides are highest when the sun, earth and moon are

Back 48

in a straight line

Front 49

these tides occur when the gravity of the sun and moon pull in one direction

Back 49

spring tides

Front 50

spring tides occur only during which moon

Back 50

new and full

Front 51

these tides occur when the gravity of the sun and moon pull at right angles to the earth

Back 51

neap

Front 52

neap tides only occur during

Back 52

first quarter and third quarter moons