Plan de clase de ciencias naturales acerca de los micro organismos.

1. LessonPlan- Science
Objective:Identifybeneficial microorganismsandexplainwhytheyare beneficial.
Presentation
T will write onthe board the wordsSALMONELLA and E. COLI. Andwill draw a happyface andan
angry face.T will ask Ss’ if these microorganismsare harmful orhelpful. Ss’ will choosethe correct
face (angry face)
Teacher has a bag with some objects in it. (Realia) T will invite to Ss’ to come to the front of the
class, T will ask the Ss’ to close his/her eyes. T will give the Ss’ an object, the Ss’ will touch the
object, will smell the object and the Ss’ will have to guess what the object is and to write on the
board the name of the object. (The objects are: milk, yogurt, bread, cheese, penicillin)T will ask
the Ss’ to go to his/herseat, andthen T will show tothe classthe other objects (yeast,oldbreador
fruit with mold, plant). T will ask Ss’ to go to the board to write the names of the new objects.
1) Introduction –
The teacherexplains thatsome bacteriacanbe helpful because theyhelppeople,plants
to live healthy.Tdraw the followingachart on the board and explain.
Helpful
microorganisms
What do theydo? Where are they?
Bacteria Helpyourbodyto break downthe foodwe eat.Turn milk
intoyogurt,helpmake certainkindsof cheeses.
In our bodies.
In the soil near
fruittrees.
Mold It isusedto make penicillin. In the soil,inthe
air,everywhere.
Fungi Theyhelpdeadthingstodecay,or breakdown.Removes
waste fromEarth. Make the soil goodfor plants.
In the soil.
Yeast It makesbreaddoughrise. In the soil.
2) Practice
a. T will groupSs andwill give themsome writteninformationindifferent envelopes
(Unscrambledwordstomake sentences,Incomplete sentences, Incomplete chart
)Ss will change envelopes between them in order all groups make all activities.
b. T will put a card board with incomplete information.
c. T will give Ss pieces of paper with certain information about the class.
d. Ss will put the information on the correct place on the card board
e. The students copy the lesson (chart) in their notebooks.
3) Production
1) Students will explain with their own words that they like the most.
2) Ss will talk about things they know.
3) Ss will talk about a new thing they learned today.
4) Studentswill choose the correctanswer .
WHAT HAVE YOU LEARNED?
Whichkindof microorganism turns milk into
yogurt?
a. Yeast
b. algae

2. c. bacteria
d. phytoplankton
Which kind of microorganism makes
penicillin?
a. Bacteria
b. protist
c. mold
d. algae
Which microorganism does a baker add to
bread dough to make it rise?
a. Penicillin.
b. Phytoplankton.
c. Yeast.
d. Bacteria.
Which is a beneficial microorganism?
a. Salmonella that causes you to be
sick.
b. Mold that produces penicillin.
c. Algae that causes red tide.
d. fungus that causes ringworm
HOMEWORK
Visitthe followinglinksathome: https://www.youtube.com/watch?v=ICWLF9lccNk
https://www.youtube.com/watch?v=6P07bNrcxCU