Sound. Performance Standards. by Judy Downey. 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.
by Judy Downey
- Video Clip
- The fire alarm is an emergency sound.
- Bar Graph of Instruments in the
Sounds are made by vibration. When something vibrates it makes waves that pass through the air to make sound.
Put your hand on your throat and say “AAHH”.
Can you feel the vibration?
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.
Most fall into these four groups.
Here is another kind of graph that shows the same information.
There is no red in this pie graph. Why?
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.Performance Standards: