<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Vecka&nbsp; 16
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Demonstration / Laboration
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">El och magnet
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Magnetf&auml;lt kring ledare
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">1820 gjorde H C Orstedt ( dansk fysiker )&nbsp;
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Ett experiment i K&ouml;penhamn
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">med en kompassn&aring;l och en el-ledare. N&auml;r det gick str&ouml;m i ledaren r&ouml;rde sig kompassn&aring;len. Allts&aring; m&aring;ste det bildas ett-magnetf&auml;lt runt allt som leder el.
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Elektromagnet
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">En magnet som g&aring;r p&aring; el
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">st&auml;ng av /p&aring;
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Kan g&ouml;ras starkare.
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">F&ouml;r en elektromagnet beh&ouml;vs
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">El och en spole
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">D&aring; blir den magnetisk
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Den blir starkare p&aring; 3 s&auml;tt
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">L&auml;gg till en j&auml;rnk&auml;rna
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Mer varv p&aring; spolen
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Mer str&ouml;m
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&nbsp;&nbsp;
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Svara p&aring; fr&aring;gorna som finns p&aring; sidan 121.
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Vi tittar p&aring; film&nbsp;
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<a style="text-decoration: none;" href="https://sli.se/apps/sli/prodinfo.php?db=3&amp;article=V4744"><span style="font-size: 11pt; font-family: Arial; color: #1155cc; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: underline; -webkit-text-decoration-skip: none; text-decoration-skip-ink: none; vertical-align: baseline; white-space: pre-wrap;">https://sli.se/apps/sli/prodinfo.php?db=3&amp;article=V4744</a>
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">B&aring;de elektriciteten och magnetismen har varit k&auml;nda &auml;nda sedan antiken. Men det var inte f&ouml;rr&auml;n i b&ouml;rjan av 1800-talet som en vetenskapsman lyckades hitta ett samband mellan de tv&aring; fenomenen. &Aring;r 1820 h&ouml;rde Amp&egrave;re talas om den danske fysikern Hans Christian &Oslash;rsted, som hade uppt&auml;ckt besynnerliga samband mellan elektricitet och magnetism &ndash; tv&aring; fenomen som hittills hade ansetts vara skilda fr&aring;n varandra.
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&nbsp;Amp&egrave;re best&auml;mde magnetf&auml;ltets riktning och skapade den f&ouml;rsta str&ouml;mv&aring;gen. Amp&egrave;re r&auml;knas definitivt bland de allra fr&auml;msta av det tidiga 1800-talets st&ouml;rsta vetenskapsm&auml;n.
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&nbsp;Syfte/inl&auml;rningsm&aring;l &bull; att presentera Andr&eacute; Marie Amp&egrave;re och hans uppt&auml;ckter &bull;
<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">&nbsp;att f&ouml;rklara hur elektromagnetismen fungerar och vilken betydelse denna fick &bull; att ge inspiration till att diskutera vetenskap och dess betydelse f&ouml;r m&auml;nniskans och samh&auml;llets utveckling M&aring;l som eleverna b&ouml;r ha uppn&aring;tt efter genomg&aring;ngen grundskola, bl.a. &ndash; Utveckla kunskap om den fysikaliska vetenskapens kunskapsbildande metoder, s&auml;rskilt vad g&auml;ller formulering av hypoteser samt m&auml;tningar, observationer och experiment, &ndash; ha kunskap om universums, jordens, livets och m&auml;nniskans utveckling, &ndash; k&auml;nna till n&aring;gra&nbsp;
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<span style="font-size: 11pt; font-family: Arial; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;">Svara p&aring; fr&aring;gorna som finns p&aring; sidan 121.

vecka 16, Magnetism

Matriser i planeringen

Uppgifter