Tides

What is a difference between spring and neap tides?

• Spring tides occur when the earth and sun are IN LINE with the new or full moon.

• Spring tides occur when the moon is in 3rd or 1st quarter phases.

• Spring tides are LOWER than neap tides.

• Spring tides occur in spring and neap tides can occur in any season.

What type of tide would this arrangement of earth-moon-sun create?

• full moon tide

• new moon tide

• neap tide

• spring tide

Which body has the greater effect on Earth's tides?

• Sun

• Saturn

• Moon 

• Venus

What type of tides would this arrangement of earth-moon-sun create?

• neap tide

• spring tide

• new moon tide

• full moon tide

Tides are caused by

• strong winds that blow over ocean waters.

• the interaction of Earth, the moon and the sun.

• the shifting of the plates on the ocean floor.

• variations in the salinity of ocean water

How many low tides and high tides happen in a day?

• 1 low tide, 1 high tide

• 4 low tides, 4 high tides

• 3 low tides, 3 high tides

• 2 low tides, 2 high tides

The Moon has a greater influence on Earth tides than the Sun because...

• it is smaller than the Sun

• it revolves around the Earth

• it is closer to the Earth

If the Sun, Earth, and Moon create a 90 degree angle, the Earth would have __________.

• Spring tides

• Neap tides

• Normal tides

What type of tide occurs during the first or third quarter moon?

• Neap tides

• Spring tides

• Normal tides

The diagram below shows the alignment of the sun, the moon, and Earth. In which locations are neap tides taking place?

• 1 and 2

• 1 and 3

• 2 and 4

• 3 and 4