Chapter 13 Earth, Moon, and Beyond

Question 1

an imaginary line that passes through the North and South Poles

Answer 1

axis

Question 2

Earth travels in a path around the sun or ________.

Answer 2

revolves

Question 3

The path that Earth takes as it revolves around the sun

Answer 3

orbit

Question 4

an imaginary line going all the way around Earth halfway between the North and South Poles

Answer 4

Equator

Question 5

Earth spins on its axis or _______.

Answer 5

rotates

Question 6

the days when the daylight and darkness are equal

Answer 6

equinoxes

Question 7

any natural body that revolve around the planet

Answer 7

moon

Question 8

a low, bowl-shaped area on the surface of a planet or moon

Answer 8

crater

Question 9

one of the shapes the moon seems to have as it orbits Earth

Answer 9

moon phase

Question 10

An _______ occurs when one body in space blocks light from reaching another body in space.

Answer 10

eclipse

Question 11

bending of light

Answer 11

refraction

Question 12

a huge ball of very hot gases in space

Answer 12

star

Question 13

A _____ ______ is made up of a star and all planets and other objects that revolve around that star.

Answer 13

solar system

Question 14

a body that revolves around a star

Answer 14

planet

Question 15

gas, dust, and group of stars including any objects orbiting the stars

Answer 15

galaxy

Question 16

everything that exist-all the stars, planets, dust, gases, and energy

Answer 16

universe

Question 17

the star at the center of our solar system

Answer 17

sun

Question 18

the day when the amount of daylight is the greatest or the least

Answer 18

solstice

Question 19

when the moon is ______, more of it is visible from Earth each night

Answer 19

waxing

Question 20

when the moon is ______, less of it is visible from Earth each night

Answer 20

waning

Question 21

a collection of gas clouds that starts reacting chemically

Answer 21

protostar

Question 22

any body that orbits another

Answer 22

satellite

Question 23

a pattern of stars ( that is named after a religious or mythical object or animal)

Answer 23

constellation

Question 24

a huge giant cloud of hydrogen, helium, and tiny particles of dust

Answer 24

nebula