Seasons, tides, phases of the moon, and eclipses.

___________ are caused when the gravitational forces between the moon and the sun cause the sea level to rise in certain areas of Earth’s surface.

• Tides

• Waves

• Currents

Tides are caused by the gravitational pull of the moon and sun. Between the moon and the sun, which one has a greater influence on the tides?

• Sun

• Moon

• They have the same influence

What tides occur as Earth, the sun, and the moon are aligned?

• Spring Tides

• Neap Tides

What type of tides occur when the moon, Earth, and the sun form a right angle?

• Spring Tides

• Neap Tides

The _________ of tides is affected by the phases of the moon, the position of the moon relative to Earth, and the position of the moon and Earth relative to the sun.

• Width

• Length

• Height

The amount of time it takes for Earth to rotate once on its axis is referred to as a

• day

• month

• year

• hour

Most coastlines on Earth experience how many tides each day?

• two high tides and two low tides

• two high tides and one low tide

• one high tide and two low tides

• one high tide and one low tide

Tides are caused by

• the wind

• gravity

• earthquakes

• eclipses

What kind of eclipse occurs when Earth's shadow falls on the Moon?

• lunar

• new

• full

• solar

During which phase of the moon does a lunar eclipse occur?

• first quarter

• last quarter

• new

• full