8.7A Vocabulary

Axis

• person who studies space and the universe beyond Earth's atmosphere.

• an invisible line around which an object spins.

• imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.

Tilt

• angle between an object's axis of rotation and its orbital axis, perpendicular to the orbital plane. Earth's axial tilt is about 23.5 degrees.

• an invisible line around which an object spins.

• to turn around a center point or axis.

Tags

NGSS.MS-ESS1-1

Rotate

• an invisible line around which an object spins.

• to turn around a center point or axis.

• period of the year distinguished by special climatic conditions.

Tags

NGSS.MS-ESS2-6

Day

• an invisible line around which an object spins.

• to turn around a center point or axis.

• the period of time during which the Earth completes one rotation around its axis with respect to the Sun

Tags

NGSS.MS-ESS1-1

Night

• to turn around a center point or axis.

• angle between an object's axis of rotation and its orbital axis, perpendicular to the orbital plane. Earth's axial tilt is about 23.5 degrees.

• is the period from sunset to sunrise in each twenty-four hours^[1], when the Sun is below the horizon.

Tags

NGSS.MS-ESS1-1

Revolve

• to orbit or spin around something.

• period of the year distinguished by special climatic conditions.

• an invisible line around which an object spins.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Season

• object's complete turn around its own axis.

• an invisible line around which an object spins.

• period of the year distinguished by special climatic conditions.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

Orbit

• object's complete turn around its own axis.

• path of one object around a more massive object.

• Circle drawn around the Earth that divides it into two equal halves called hemispheres.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Hemisphere

• Imaginary circle drawn around the Earth that divides it into two equal halves called hemispheres.

• imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.

• period of the year distinguished by special climatic conditions.

Tags

NGSS.MS-ESS1-1

Equator

• period of the year distinguished by special climatic conditions.

• Imaginary circle drawn around the Earth that divides it into two equal halves called hemispheres.

• imaginary line around the Earth, another planet, or star running east-west, 0 degrees latitude.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6