CONTENT OBJECTIVE: 0C3.00 To understand harmful sounds and their sources
INSTRUCTIONAL OBJECTIVES: The learner will:
3.01 match sounds to objects which caused the sounds.
3.02 relate the intensity of sounds to ear damage.
OUTLINE OF CONTENT:
I. Identify sounds
II. Match objects to sounds
III. Relate sound intensity to ear damage
TN COMPONENT OF SCIENCE: Process Of Science
TN GOAL:
To enable students to demonstrate the process of science by posing questions and investigating phenomena through language, methods and instruments of science
TN THEME:
1.1 OBSERVING - The senses are used to develop an awareness of an event or object and the properties thereof.
TN STANDARD(S): The learner will understand that:
1.1a Observing is a process used to develop an awareness of the surrounding environment.
BENCHMARK: Students can learn about things around them by careful observation.
1.1b The human senses and technological instruments are used to gather information from the environment.
BENCHMARK: Students experience and learn about the world through their senses.
CLASSROOM CONNECTORS
TIME REQUIRED:
20 minutes
MATERIALS:
Magazine pictures of machines that make a distinctive sound, tape recording of some of these sounds, teacher-made ditto of machines on the tape
SET:
(Have children sitting in a story time circle.) Boys and girls, I have pictures of objects that make a certain sound. I also have a tape recording of these sounds. Today, we will hear sounds of different machines. You will match the picture to the sound that the machine makes.
INSTRUCTION:
I am going to play a tape of sounds. First, I will play the tape softly. Then, I will play it loudly. (Play tape) How did your ears feel when the tape was loud? (response) We can play our tape softly, but in real life these machines are very loud. People who work these machines must be very careful not to let their ears be damaged by the loud noise.
ACTIVE PARTICIPATION:
(Each child will be given a work sheet with hand drawn pictures of the objects and again they will listen to the sounds the objects make. The children will circle the object in each row that made the sound.)
CLOSURE
There are some sounds that are unpleasant to us. These sounds may even be harmful to us. (pause) Tell your neighbor about a machine in your home that makes an unpleasant sound. (pause)
ENRICHMENT:
(Make a collage of pictures the children have collected of machines that make distinctive sounds and workers wearing ear protectors.)
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