Astronomy

Question 1

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

Answer 1

astronomy

Question 2

the spinning motion of a planet on its axis

Answer 2

rotation

Question 3

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

Answer 3

orbit

Question 4

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

Answer 4

solstice

Question 5

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

Answer 5

axis

Question 6

the movement of an object around another object

Answer 6

revolution

Question 7

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

Answer 7

calendar

Question 8

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

Answer 8

equinox

Question 9

a push or pull exerted on an object

Answer 9

force

Question 10

the attractive force between objects; its strength depends on their masses and the distance between them.

Answer 10

gravity

Question 11

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

Answer 11

law of universal gravitation

Question 12

the amount of matter in an object

Answer 12

mass

Question 13

the force of gravity on an object

Answer 13

weight

Question 14

the tendency of an object to resist any change in its motion

Answer 14

inertia

Question 15

the scientific law that states that an object at rest will stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force

Answer 15

Newton’s first law of motion

Question 16

the different apparent shapes of the moon as seen from Earth

Answer 16

phases

Question 17

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

Answer 17

solar eclipse

Question 18

the part of a shadow surrounding the darkest part

Answer 18

penumbra

Question 19

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

Answer 19

tide

Question 20

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

Answer 20

neap tide

Question 21

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

Answer 21

eclipse

Question 22

the darkest part of a shadow

Answer 22

umbra

Question 23

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

Answer 23

lunar eclipse

Question 24

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

Answer 24

spring tide