Flashcard Eclipses & Tides

Front

What is a Solar Eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light.

Front

What is a Lunar Eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to cover the Moon.

Front

What alignment is needed for a Solar Eclipse to occur?

Back

The alignment needed is Sun, Moon, Earth.

Front

What phase of the Moon occurs during a Solar Eclipse?

Back

A Solar Eclipse occurs during the New Moon phase.

Front

What is a Spring Tide?

Back

A spring tide is a tide that occurs during the new and full moons, resulting in a higher tidal range.

Front

What is a Neap Tide?

Back

A neap tide is a tide that occurs when the Sun and Moon are at right angles to each other, resulting in a smaller tidal range.

Front

What causes tides?

Back

Tides are caused by the gravitational pull of the Moon and the Sun on the Earth's oceans.

Front

What is the difference between Spring and Neap Tides?

Back

Spring tides have a larger tidal range and occur during new and full moons, while neap tides have a smaller range and occur during the first and third quarters of the moon.

Front

What is the Umbra?

Back

The umbra is the darkest part of a shadow during an eclipse, where the light source is completely blocked.

Front

What is the Penumbra?

Back

The penumbra is the lighter part of a shadow during an eclipse, where the light source is partially blocked.