Performance Standards

Table of Contents• How is sound made?

– Vibration• How do we hear sound? - Video Clip• Why does the fire alarm hurt our ears? - The fire alarm is an emergency

sound.• There are many kinds of sounds.

– How would you describe these sounds?

• How are musical instrument sounds different?

• Different Kinds of Instruments– Some Examples of Instruments – Help Conductor Sound group the

instruments. • I wonder how many of each instrument

are in a high school marching band. - Bar Graph of Instruments in the Marching Band

– Pie Graph of Instruments in the Marching Band

• Performance Standards

How is sound made?

Sounds are made by vibration. When

something vibrates it makes waves that

pass through the air to make sound.

Vibration is when something moves

back and forth.

Put your hand on your throat and

say “AAHH”.

Can you feel the vibration?

http://www.bbc.co.uk/schools/revisewise/science/physical/15_act.shtml

Let’s go to the web site below to watch a video

about sound.

The fire alarm is an emergency sound. It needs to be loud and harsh to get

everyone’s attention during an

emergency.

There are many kinds of sounds.

soft loud

emergency

high

low

pleasant

harsh

How would you describe these sounds?

How are musical instrument sounds different?

http://library.thinkquest.org/J002277/

Musical Instruments

Strings Winds Brass Percussion

There are many different kinds of musical instruments.

Most fall into these four groups.

Some Examples of Instruments

Wind String BrassPercussi

on

clarinet violin trombone drums

flute guitar trumpet cymbals

oboe piano tuba triangle

Help Conductor Sound group the instruments…

I wonder how many of each instrument is

in a marching

band.

This is a bar graph. It shows the number of instruments in each

group.• How many

instruments are in each group?

• Which group has the most?

• Which group has the least?

• Why?

Instruments in the Marching Band

56

0

2216

0

10

20

30

40

50

60

Wind String Brass Percussion

Instruments in the Marching Band

56

0

22

16Wind

String

Brass

Percussion

There is no red in this pie graph. Why?

Here is another kind of graph that shows the same information.

Performance Standards:

S1P1. Students will investigate light and sound.c.Investigate how vibrations produce sound.d.Differentiate between various sounds in terms of (pitch) high or low

and (volume) loud or soft.e.Identify emergency sounds and sounds that help us stay safe.

M1D1. Students will create simple tables and graphs and interpret them.a.Interpret tally marks, picture graphs, and bar graphs.

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