Space Unit Vocabulary

the imaginary line between the North and South Pole on which the Earth spins

• Axis of Rotation

• Rotation

• Revolution

• Orbit

to spin in place

• Axis of Rotation

• Rotation

• Revolution

• Orbit

the motion of one object moving around another object

• Axis of Rotation

• Rotation

• Revolution

• Orbit

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

a repeating curved path one object in space takes around another object

• Axis of Rotation

• Rotation

• Revolution

• Orbit

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

June 21 and December 22 (the longest and shortest days based on the earth's position)

• Solstice

• Equinox

• Waxing

• Waning

Tags

NGSS.MS-ESS1-1

September 22 and March 20 (day and night are approximately equal in length)

• Solstice

• Equinox

• Waxing

• Waning

Tags

NGSS.MS-ESS1-1

the period when the moon appears to be growing as more area is illuminated with sunlight

• Solstice

• Equinox

• Waxing

• Waning

Tags

NGSS.MS-ESS1-1

the period when the moon appears to be shrinking as the visible surface is decreasing

• Solstice

• Equinox

• Waxing

• Waning

Tags

NGSS.MS-ESS1-1

when the moon is between new moon and first or last quarter, only a sliver of the surface is illuminated

• Crescent

• Spring Tide

• Neap Tide

• Solar Eclipse

Tags

NGSS.MS-ESS1-1

the difference between high tide and low tide is GREATEST

• Crescent

• Spring Tide

• Neap Tide

• Solar Eclipse