Leaping Leap Years CK12

The number of hours in a years is 8765.81. If you divide that number by 365, what have you calculated?

• the exact amount of time required for the earth to revolve around the sun

• ddd

What is a solar year? 

• The time it takes the Earth to make one revolution around the sun 
• The time it takes the Earth to make a full rotation on its axis 
• The time it takes the Sun to make one revolution around the galaxy 
• The time it takes the moon to make one revolution around the Earth 

One solar year lasts _______ 365 days 

• Less than 
• Approximately 
• Exactly
  
• 12 hours longer than 

What day do we have Leap Year on?

• February 28th

• February 29th

• February 30th

• March 1st

How many Leap Years have we had since 2000?

• 6

• 5

• 7

• 4

Why do we have Leap Year?

• Because it's fun and the whole world does it.
• It is a tradition started in ancient Egypt.
• To celebrate that spring is near!
• So that our calendar matches up with the solar year.

Fill in the blank.  "30 days hath September, April, June and November, All the rest have 31. Save __________, she alone hath 28 days and a score Til leap year gives her one day more."

• January
• March
• February
• December

We have leap years because...

• they're fun!

• without them our calendar gets messed up.

• people are trying to make life hard for you.

• Mr. Rodriguez said so.

How long does it take for the earth to orbit (go around) the sun?

• 24 hours

• 6 hours

• 365 days and 6 hours

• 365 days

Earth makes a complete revolution every _______ .

• 1 day

• 365 days

• 24 hours

• 365.25 days