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Vad är ljud?

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N&auml;r
 V.38-39&nbsp; 
Du kommer &auml;ven att f&aring; visa dina kunskaper vid ett senare tillf&auml;lle under terminen
&nbsp;
M&aring;l / kunskapskrav
Du ska kunna
&nbsp;de begrepp som anv&auml;nds&nbsp;
och anv&auml;nda dem f&ouml;r att f&ouml;rklara
<ul>
<li>vad ljud &auml;r.</li>
<li>skillnaden mellan buller och toner,</li>
<li>skillnad mellan h&ouml;g och l&aring;g ton,&nbsp;</li>
<li>skillnaden mellan stark och svag ton&nbsp;</li>
</ul>
&nbsp;
Begrepp
<table dir="ltr" style="table-layout: fixed; font-size: 10pt; font-family: Arial; width: 0px; border-collapse: collapse; border: none;" border="1" cellspacing="0" cellpadding="0"><colgroup><col width="100" /></colgroup>
<tbody>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;ljud och tryck&quot;}">ljud och tryck</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;buller&quot;}">buller</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;ton&quot;}">ton</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;frekvens&quot;}">frekvens</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;hertz&quot;}">hertz</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;sv&auml;ngningar&quot;}">sv&auml;ngningar</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;l&aring;g ton&quot;}">l&aring;g ton</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;h&ouml;g ton&quot;}">h&ouml;g ton</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;v&aring;gl&auml;ngd&quot;}">v&aring;gl&auml;ngd</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;stark ton&quot;}">stark ton</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;svag ton&quot;}">svag ton</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;amplitud&quot;}">amplitud</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;ljudniv&aring;&quot;}">ljudniv&aring;</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;decibel&quot;}">decibel</td>
</tr>
<tr style="height: 21px;">
<td style="border: 1px solid #cccccc; overflow: hidden; padding: 2px 3px; vertical-align: bottom; font-family: Lato; font-weight: normal;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;oktav&quot;}">oktav</td>
</tr>
</tbody>
</table>
&nbsp;
L&auml;r mer
<ul>
<li>Veta vad som g&ouml;r att samma ton l&aring;ter olika p&aring; olika instrument, resonans</li>
</ul>
<ul>
<li style="font-weight: 400;">Veta hur ljud reflekteras</li>
<li>Veta n&aring;got om bullerbek&auml;mpning</li>
</ul>
&nbsp;
&nbsp;
Filmer
https://www.youtube.com/watch?v=uueXxV7KQk8
<a href="https://www.youtube.com/watch?v=fDTXbMaU1Zw&amp;index=1&amp;list=PLH9ooamCSklMu5Qv-AidzfJblxBqL1Fl4">&nbsp;</a>
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Fysik

Förstå vad ljud är.
Förstå hur ljud sprids.
Kunna ljudets fart i luft.
Veta något om ljudets fart i andra ämnen.
Veta vad frekvens är och vilken enhet som används.
Kunna förklara skillnaden mellan hög och låg ton, skillnaden mellan stark och svag ton samt skillnaden mellan toner och buller.


Ljud åk 5 2022-25

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