1.2--Tides, Time, and Twilight

The lighter part of a shadow where only some light is blocked. Found on the edges of the shadow. People here during a solar eclipse see a partial eclipse.

• Umbra

• Penumbra

• Axis

• Alignment

Tags

NGSS.MS-ESS1-1

The moment in spring when day and night are about equal length because the Sun is directly above Earth’s equator.

• Summer Solstice

• Vernal Equinox

• Autumnal Equinox

• Winter Solstice

Tags

NGSS.MS-ESS1-1

A tide that occurs when the gravitational forces of the Moon and Sun align, creating the greatest difference between high and low tides.

• Neap Tide

• Spring Tide

• Lunar Tide

• Daily Cycle

A series of events that repeat in the same order, such as moon phases, seasons, and tides.

• Axis

• Rotation

• Cycle

• Alignment

Tags

NGSS.MS-ESS1-1

When the Moon moves between Earth and the Sun, blocking sunlight and casting a shadow on Earth. Occurs during the new moon phase.

• Lunar Eclipse

• Solar Eclipse

• Vernal Equinox

• Rotation

Tags

NGSS.MS-ESS1-1

Related to spring or occurring during the spring season; often associated with growth and renewal.

• Vernal

• Autumnal

• Solstice

• Axial

Tags

NGSS.MS-ESS1-1

NGSS.MS-LS1-6

The action of moving around something in a path that makes a complete orbit.

• Rotation

• Revolution

• Axis

• Alignment

Tags

NGSS.MS-ESS1-1

When day and night are equal in length due to the Sun being directly over the equator; happens twice a year.

• Solstice

• Equinox

• Cycle

• Penumbra

When Earth moves between the Sun and the Moon, casting a shadow on the Moon. Occurs during the full moon phase.

• Solar Eclipse

• Lunar Eclipse

• Vernal Equinox

• Rotation

Tags

NGSS.MS-ESS1-1

When the Sun reaches its highest or lowest point in the sky, creating the longest or shortest day of the year.

• Equinox

• Solstice

• Alignment

• Revolution