Unit 5 Vocabulary- The Earth-Moon-Sun Systems

The spin of a body on its axis.

• Rear

• Rotation

• Revolution

• Solstice

The time required for Earth to rotate once on its axis.

• Day

• Year

• Month

• Season

The motion of a body that travels around another body in space. One complete trip along an orbit.

• Equinox

• Rotation

• Eclipse

• Revolution

Tags

NGSS.MS-ESS1-2

The time required for Earth to orbit once around the sun.

• Season

• Day

• Year

• Month

Tags

NGSS.MS-ESS1-1

A division of the year that is characterized by recurring weather conditions and determined by both Earth's tilt relative to the sun and Earth's position in its orbit around the sun.

• Season

• Year

• Month

• Solstice

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

The moment when the sun appears to cross the celestial equator. Sunlight shines equally in the northern and southern hemispheres.

• Solstice

• Equinox

• Summer

• Rotation

Tags

NGSS.MS-ESS1-1

The point at which the sun is as far north or south of the equator as possible. The area of sunlight is at a maximum in one hemisphere and at a minimum in the other hemisphere.

• Equinox

• Solstice

• Spring

• Gravity

Tags

NGSS.MS-ESS1-1

A natural or artificial body that revolves around a celestial body that is greater in mass.

• Gravity

• Eclipse

• Satellite

• Revolution

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

• Lunar phases

• Sun

• Gravity

• Tide

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

The different appearance of the moon from Earth throughout the month.

• Lunar Phases

• Eclipse

• Umbra

• Satellite

Tags

NGSS.MS-ESS1-1