subject
English, 14.05.2021 09:50 tami5

Ounters. It hits a hard smooth surface. the waves reflect. That means that the sound bounces back. The sound wave that bounces
back is called an echo.
Learning Task 1-Performance Task: Prepare the materials listed below. You may ask the helt
of your parents/guardians of any adult members of the family if needed
Title: "Is it really broken?"
Materials:
Transparent glass
Pencil
water
Procedures:
(Note: Handle the materials with care especially the sharp/delicate objects)
1. Half-fill the glass with water
2. Place the pencil in the glass of water. View the pencil, first on top, by placing your is
above the mouth of the glass, and then view the pencil at the side. Record
observation for each position.
Take out the pencil from the water. Look at it. Feel it, Is it straight or bent?
Questions:
1. Describe the appearance of the pencil when you viewed it from the top?
2. Describe the appearance of the pencil when you viewed it from the side?​

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Answers: 1

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Ounters. It hits a hard smooth surface. the waves reflect. That means that the sound bounces back....

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