car model competition magnetic force against repelling car magnetic small technology small production invention diy science popularization experiment suit_金华市航达科教用品有限公司

car model competition magnetic force against repelling car magnetic small technology small production invention diy science popularization experiment suit

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car model competition magnetic force against repelling car magnetic small technology small production invention diy science popularization experiment suit

车模比赛磁力对斥小车磁力小科技小制作发明 DIY科普实验套装

EXW Price: Min. order:

¥6.0
≥1000/set

¥4.3
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¥3.8
≥10000/set

1000 set

Exchage Rate 1 CNY ≈ 0.1418 USD
Weight 1.0 kg/set
Stock num 10000 set

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Description

品名：磁力对斥小车

货号：C025

包装：包装袋

产品尺寸：9*3*4

装箱数：600 PCS

箱规： 60*40*55 CM

教学目的：通过本节课的学习让学生认识磁铁的性质，掌握磁铁分为南北两极，掌握磁铁的性质——同极相斥，异极相吸，通过制作掌握磁力小车的工作原理，培养学生日常的观察力及对知识的求知欲。教学目标： 1、通过实验观察，让学生理解掌握磁铁分为南、北两极。 2、让学生理解掌握磁铁的磁力，掌握磁铁的性质。 3、制作磁力小车，并理解磁力小车的工作原理。教学重点： 1、理解掌握磁铁的性质——同极相斥，异极相吸。 2、掌握磁力小车的工作原理。教学难点： 1、通过实验，学会区分磁铁的南北极。 2、磁力小车的原理。

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Update time：20240826161606