Unit 6 Review

Front

What is a New Moon?

Back

A New Moon occurs when the Moon is positioned between the Sun and the Earth, making the side of the Moon facing Earth not visible.

Front

What is the Umbra?

Back

The Umbra is the dark inner shadow cast by the Earth or the Moon during an eclipse.

Front

What is a Full Moon?

Back

A Full Moon occurs when the Earth is positioned between the Sun and the Moon, allowing the entire sunlit portion of the Moon to be visible from Earth.

Front

What is a Total Eclipse?

Back

A Total Eclipse occurs when the Sun is completely obscured by the Moon.

Front

What are Spring Tides?

Back

Spring Tides are the higher than normal tides that occur during the New Moon and Full Moon phases.

Front

What is a Partial Eclipse?

Back

A Partial Eclipse occurs when only a part of the Sun or Moon is obscured.

Front

What is an Annular Eclipse?

Back

An Annular Eclipse occurs when the Moon covers the center of the Sun, leaving a ring-like appearance.

Front

What is the Penumbra?

Back

The Penumbra is the outer part of a shadow where light is partially blocked during an eclipse.

Front

How often do lunar phases occur?

Back

Lunar phases occur approximately every 29.5 days.

Front

What causes the phases of the Moon?

Back

The phases of the Moon are caused by the changing angles of sunlight hitting the Moon as it orbits the Earth.