Wednesday: Leech

May 26, 2011   //   by Miss Kim   //   Daily Lessons  //  No Comments

Calendar: Discussed calendar in English and Spanish.  Ava put the number on the calendar, found the day of the week in Spanish and discussed the weather.

Brainstorm/Fun Facts:Reviewed what they learned about crawfish.  Today the children told what they know about Leeches.  Discussed:  What do you like to suck on?  Lollipops, Popsicles, thumb?  Leeches live near ponds and suck to eat.  Leeches are from the worm family, but live in or near water sources. Today we will learn more about leeches. Fun Facts:  The largest leech ever found measured 18 inches.  The leech has 32 brains–31 more than humans.  Not all leeches are bloodsuckers. Many are predators which eat earthworms.  Leeches were first discovered in India. 

Social Skills:   The children looked at the animals on the Discover Games Sheet and named each one.   Asked them which of these animals they would least like to see on a trip to the pond.  We then put the cards face down on the floor and mixed them up.  One child at a time came up and flipped the cards over one at a time until they turned over the alligator.  They then had to count how many cards were turned over before the alligator came out. 

Physical Science:  Discussed:  What do you think happens when a leech eats?  Did you know that when a leech attaches to its host it stays until it can’t eat anymore. Then it swells up and falls off.  The children laid on the floor and pretended to be a leech.  They pretended to blow up and get bigger as they pretended to eat.  When they feel “full,”  they pretend to fall down to the ground.  We did a science experiment with a balloon.  In a plastic pop bottle we had vinegar and water mixture.  The children predicted what they thought would happen to the balloon when the baking soda falls into the vinegar in the bottom of the bottle. The balloon was filled with baking soda.  We attached the open end of the balloon over the neck of the bottle without letting the baking soda fall in.  Miss Kelly then picked up the balloon so the baking soda fell into the bottle as she held the balloon around the bottle.  They discussed what happened to the balloon and what happened to the mixture.  The vinegar mixes with the baking soda to create a chemical reaction that produces carbon dioxide gas.  This gas is what blows up the balloon.  The kids loved this experiment.  You can do it with your child at home.

Emergent Reading:  Discussed:  Where do you think leeches like to attach?  Did you know that only about 10% of leeches actually have the ability to bite and attach to a living creature?  (Most leeches hook onto decomposing bodies or open wounds to feed.)  We placed one of each matching card on the floor face up.  The children hid their eyes and Miss Kelly hid a leech “black strip of paper” under one of the cards.  The children took turns choosing an item they believed the leech may be hiding under.  We played this several times.

Emergent Reading:  Discussed:  What kinds of things do you think you might see at a pond that have the “-og” sound?  The children looked at the picture of a frog and discussed the sounds it made “fr” and “og”.  Discussed if we changed the front two letters that it makes a new word.  We wrote “og” on the wipe off board and added different letters to the beginning to make new words.  The children read each new word.  The children also had to remember how to spell “frog”.  The children helped fill in letters in the blanks to make the short poem complete.  Poem: “There once was a ___og,  On a ___og, In the ___og, Until it saw the ___og And now it’s gone.”  They could use silly nonsense words also. 

Closing Time:  Each child told what they learned today.

Tumble Bus Day

Afternoon Centers: Center 1: Outside Play.   Center 2: Fish Book-  The children decorated the fish pattern. They then created their own fish book and put it on the fish pattern. 

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