earth in the universe

Question 1

Rotation

Answer 1

The spinning of Earth on its axis

Question 2

Revolution

Answer 2

The movement of an object around another object

Question 3

Orbit

Answer 3

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

Question 4

Axis

Answer 4

An imaginary line that passes through Earth’s center and the North and South poles

Question 5

equinox

Answer 5

Two times a year when the sun is directly above the equator and days and nights are of equal length

Question 6

Solstice

Answer 6

Time when the Sun is farthest from the equator.

Question 7

waxing

Answer 7

(of the moon) the period during which the visible surface of the moon increases

Question 8

Waning

Answer 8

(of the moon) the period during which the visible surface of the moon decreases

Question 9

New Moon

Answer 9

A moon that is completely dark because it’s unlit side is facing Earth

Question 10

full moon

Answer 10

moon phase when the entire side facing Earth is illuminated.

Question 11

Waxing Crescent

Answer 11

is a lit up crescent on the right

Question 12

Wanning Gibbous

Answer 12

light on the left; more than half of the moon is visible from Earth

Question 13

first quarter moon

Answer 13

The moon is a quarter of the way around the Earth. You can see the right half of the moon.

Question 14

last quarter moon

Answer 14

The left half of the moon is illuminated.

Question 15

Waxing Gibbous

Answer 15

Slightly dark on the left side, mostly lit on the right.

Question 16

Waning Crescent

Answer 16

Mostly dark on the right side, slightly lit on the left.

Question 17

eclipse

Answer 17

The partial or total blocking of one object in space by another

Question 18

lunar eclipse

Answer 18

an eclipse in which the moon appears darkened as it passes into the earth’s shadow.

Question 19

solar eclipse

Answer 19

Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth

Question 20

Tides

Answer 20

the daily rise and fall of Earth’s waters on its coastlines

Question 21

inner terresital planets

Answer 21

Small, rocky planets that orbit closest to the sun including Mercury, Venus, Earth, & Mars

Question 22

outer planets

Answer 22

Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants.

Question 23

space probe

Answer 23

a spacecraft that gathers data without a crew

Question 24

telescope

Answer 24

A device built to observe distant objects by making them appear closer

Question 25

space station

Answer 25

a large artificial satellite on which people can live and work for long periods

Question 26

neap tide

Answer 26

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

Question 27

spring tide

Answer 27

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

Question 28

space shuttle

Answer 28

a spacecraft that can carry a crew into space

Question 29

rocket

Answer 29

a device that expels gas in one direction to move in the opposite direction

Question 30

Gravity

Answer 30

A force of attraction between objects that is due to their masses.

Question 31

Northern Hemisphere

Answer 31

the hemisphere north of the equator

Question 32

Southern Hemisphere

Answer 32

the half of the Earth south of the equator

Question 33

Mercury

Answer 33

first planet from the sun; One of the terrestrial planets; smallest of the 8 planets

Question 34

Venus

Answer 34

second planet from the Sun; has a dense atmosphere with high temperatures, a surface with craters, fault like cracks, and volcanoes; sometimes called Earth’s twin

Question 35

Earth

Answer 35

third planet from the sun; has an atmosphere that protects life and surface temperatures that allow water to exist as a solid, liquid, and gas

Question 36

Mars

Answer 36

the fourth planet from the sun, one terrestrial planets, referred to as the “red planet”

Question 37

Saturn

Answer 37

sixth planet from the sun, has rings, one of the gas giants

Question 38

Jupitar

Answer 38

is the fifth planet from the sun and the largest planet, one of the gas giants

Question 39

Uranus

Answer 39

seventh planet from the Sun; is large and gaseous, has a distinct bluish-green color

Question 40

Neptune

Answer 40

the eighth planet from the Sun; one of the gas giants

Question 41

Terrestrial Planets

Answer 41

The name given to the four inner planets: Mercury, Venus, Earth, and Mars because they are made of rock.

Question 42

Gas Giants

Answer 42

The name given to the first four outer planets: Jupiter, Saturn, Uranus, and Neptune because they are made of gas.