U1 - P3 - Earth-Moon-Sun System Vocabulary

axis

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

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

• A large round pit caused by the impact of a meteoroid.

• A force that pulls objects towards each other.

craters

• A large round pit caused by the impact of a meteoroid.

• A tide with the least difference between low and high tide that occurs when the sun and moon pull at right angles to each other at the first and third quarters of the moon.

• Dark, flat areas on the moon’s surface formed from huge ancient lava flows.

• A force that pulls objects towards each other.

eclipse

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

• A force that pulls objects towards each other.

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

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

Tags

NGSS.MS-ESS1-1

equinox

• The spinning motion of a planet on its axis.

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

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

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

Tags

NGSS.MS-ESS1-1

gravity

• A force that pulls objects towards each other.

• An object that revolves around another object in space.

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

• The spinning motion of a planet on its axis.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

lunar eclipse

• The spinning motion of a planet on its axis.

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

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

• The darkest part of a shadow.

Tags

NGSS.MS-ESS1-1

maria

• Dark, flat areas on the moon’s surface formed from huge ancient lava flows.

• The spinning motion of a planet on its axis.

• The moon at any time after new moon and before full moon, so called because its illuminated area is increasing

• The daily rise and fall of Earth’s waters on its coastlines.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

neap tide

• One of the different apparent shapes of the moon as seen from Earth.

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

• The moon at any time after full moon and before new moon (so called because its illuminated area is decreasing).

• A tide with the least difference between low and high tide that occurs when the sun and moon pull at right angles to each other at the first and third quarters of the moon.

Tags

NGSS.MS-ESS1-1

orbit

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

• One of the different apparent shapes of the moon as seen from Earth.

• A tide with the greatest difference between high and low tide that occurs when the sun and the moon are aligned with Earth at the new moon and full moon.

• One of the different apparent shapes of the moon as seen from Earth.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

penumbra

• An object that revolves around another object in space.

• The part of a shadow surrounding the darkest part.

• One of the different apparent shapes of the moon as seen from Earth.

• The movement of an object around another object.

Tags

NGSS.MS-ESS1-1