Friday, September 21, 2018

So Long Summer :: Hello Autumn!

FACT: Seasons change as we orbit the sun.

Spring • Summer • Autumn • Winter

Twice a year, around March 20 or 21 and Sept. 22 or 23, our sun shines directly over the equator. That event marks the beginning of spring or fall. What is the equator?

Public Domain photo

  1. an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°.

In March when the sun shines directly over the equator, the event is called the spring or vernal equinox. In September when the sun shines directly over the equator, the event is called the fall or autumnal equinox

The Autumnal Equinox will occur in Los Angeles, California, U.S.A. on Saturday, September 22, 2018 at 6:54 P.M.

Things to look for in fall:

1. Deciduous (di•si•jo͞o•əs) trees will change color and drop all their leaves. Evergreen trees will not. Evergreen trees will stay forever green. :-) Why do the leaves of deciduous trees change color? Use World Book Online to research. Remember, do NOT copy sentences. That is plagiarism, and it is against the law! Take notes, and then turn your notes into your own sentences. 

Photo by Grandma Barb

2. On the equinox, there are exactly 12 hours of daylight and 12 hours of night. The day and night hours are equal. However, as we continue into fall, the days will get shorter and the night hours will get longer. This pattern will continue until we reach the winter solstice. That is the longest night of the year and marks a new season, winter.

3.  Because the northern hemisphere is now tilted away from the sun, the days will start to become cooler. People will change their behavior. What sorts of behavioral changes will your family make as the days get shorter and cooler?  (In southern California, we have mild climate. We don't get too cold in our community.)

There are many fall festivals or holidays. Watch the BrainPop video about fall to learn about the many harvest festivals celebrated. Do you celebrate any of these autumn holidays? If so, please share so we can learn from you! 

Check out the FREE BrainPop video about Fall. 

4. Some animals in the northern hemisphere will change their behavior. As fall leads to winter, some animals migrate, or move, to a warmer area. Others try to fatten up for the winter they know is coming. 

Again, BrainPop Jr. has a FREE video about fall. 


Share some fun facts about fall!
Did you use BrainPop or World Book Online as a reference? 

If you are in the southern hemisphere, tell us what season you are enjoying! How are you changing your behavior? 


  1. @Mrs. Yollis and class,

    My family in the autumn and also the winter sits by the fireplace and watches the fire. We also have hot chocolate and my favorite s'mores.

    I love the changing of the leaves but you notice it more in places like Connecticut and the east coast.

    Some of my favorite holidays are in the autumn like Halloween and Thanksgiving.



    1. @ Lily,

      Like you and your family, I like to sit by the fire and have a cup of hot chocolate. Buck likes to join us by the fire too, which always makes me laugh.

      You are correct. Here in California, we do not get the big color changes in leaves. However, some trees do turn colors. Wait until you see the tree outside of our classroom!

      What are you going to be for Halloween?

      Your fall-loving teacher,
      Mrs. Y♥llis

    2. @ Mrs. Yollis,

      I am looking forward to the fall and seeing the tree outside of our class.

      I am going to be Ginny Weasley from The Harry Potter book series.

      @ My class,

      What are going to be for Halloween?


  2. @ Mrs. Yollis,

    I am going to be Ginny Weasley from the Harry Potter franchise because she is sporty, clever and kind. I am very fond of the Harry Potter series and I finished the series over the summer.

    @ Class,

    Have any or you read or begun reading Harry Potter?



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