CFA Review 4/14

The definition of eclipse is: (a)  

• The planets line up
• The Sun, Earth and Mars line up
• The Sun, Earth and Moon line up
• The Earth, Moon and Venus line up 

Tides are the cycle of rising and falling ocean water that repeats automatically every

• 24 hours
• 12.5 hours
• 25 hours
• 6.25 hours

Differences in the moon's and sun's pull on different sides of the Earth cause _________.

• gravity
• lunar phases
• tides
• dabbing

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

• Sun

• Saturn

• Moon

• Venus

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

• neap tide
• spring tide
• new moon tide
• full moon tide

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

Choose the correct moon phase.

• Full moon

• Crescent moon

• Waxing Gibbous

• New moon

Name the moon phase

• Waning crescent

• Waxing crescent

• Waning gibbous

• Waxing gibbous

The moon phases occur because...

• The moon grows and gets smaller.

• The moon revolves around the earth.

• The sun, earth, and the moon create shadows.

• The moon produces its own light.