1.3 放大镜 课件 (共12张) 2023-2024学年冀人版科学一年级上册
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| 名称 | 1.3 放大镜 课件 (共12张) 2023-2024学年冀人版科学一年级上册 |  | |
| 格式 | pptx | ||
| 文件大小 | 17.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 冀人版（2017秋） | ||
| 科目 | 科学 | ||
| 更新时间 | 2024-07-23 15:23:43 | ||
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(共12张PPT)
冀 教 版 科 学 一 年 级 上 册
第 一 单 元 我 们 爱 科 学
放 大 镜
同学们观察一下图片和字发生了什么变化？
想看清楚上面的字，你需要借助什么工具？
放 大 图 像 的 工 具——放 大 镜
放 大 镜 的 组 成
jìngkuàng
镜框
jìngpiàn
镜片
jìngbǐng
镜柄
放 大 镜 的 特点
放大镜可以帮助我们看清楚很小的物体。
日常生活的放大镜是凸透镜
放 大 镜 的 特点
放 大 镜 的 组 成
不能用放大镜对着太阳
自 制 放 大 镜
用一个透明的玻璃杯加上清水，这样一个简单的放大镜就制作成了。
自 制 放 大 镜
冀 教 版 科 学 一 年 级 上 册
第 一 单 元 我 们 爱 科 学
放 大 镜
★
★
个
3
图片编号：1168452
ne afternoon,I called Barry Lenge from the room tosee
the investigation was going.To touch base with the
我图网WW.OOOPIC.COM
ld-isn't that what Vietnam grunis used to call the
stairway i
ine
in Spanish
home,the one that existed far away from the front
Which is where I was now-on the front lines.pulling guard
duty to prevent a"emy incursions.
And t
of his cash and all of
thing else.
as entirely apt.Wasn't I exercis-
sit-ups,jumping jacks,iso-
me Vasquez said,Good boy.
the very same place
07 wrapped in a
y
was
ton's gun.I kept it up in
idden behind the bath-
cator.
as the real world we
there was no point in
Station.
Lenge got on thsoh
ing their investigation.
because
the con-
ng him.They were
ing the i's.It didn't look
taken him up on his
ey.
uld ve
offe
ctill crossing te soon enough.
Thenheed messages and found a voice
mail from Dea
ne I said no.
A Detective Palumbo called for you.He said it was important.
told him you were out of town.
Time was running out.
ent by without
I knew that Runing out for me and Sam Griffen both.lf
冀 教 版 科 学 一 年 级 上 册
第 一 单 元 我 们 爱 科 学
放 大 镜
同学们观察一下图片和字发生了什么变化？
想看清楚上面的字，你需要借助什么工具？
放 大 图 像 的 工 具——放 大 镜
放 大 镜 的 组 成
jìngkuàng
镜框
jìngpiàn
镜片
jìngbǐng
镜柄
放 大 镜 的 特点
放大镜可以帮助我们看清楚很小的物体。
日常生活的放大镜是凸透镜
放 大 镜 的 特点
放 大 镜 的 组 成
不能用放大镜对着太阳
自 制 放 大 镜
用一个透明的玻璃杯加上清水，这样一个简单的放大镜就制作成了。
自 制 放 大 镜
冀 教 版 科 学 一 年 级 上 册
第 一 单 元 我 们 爱 科 学
放 大 镜
★
★
个
3
图片编号：1168452
ne afternoon,I called Barry Lenge from the room tosee
the investigation was going.To touch base with the
我图网WW.OOOPIC.COM
ld-isn't that what Vietnam grunis used to call the
stairway i
ine
in Spanish
home,the one that existed far away from the front
Which is where I was now-on the front lines.pulling guard
duty to prevent a"emy incursions.
And t
of his cash and all of
thing else.
as entirely apt.Wasn't I exercis-
sit-ups,jumping jacks,iso-
me Vasquez said,Good boy.
the very same place
07 wrapped in a
y
was
ton's gun.I kept it up in
idden behind the bath-
cator.
as the real world we
there was no point in
Station.
Lenge got on thsoh
ing their investigation.
because
the con-
ng him.They were
ing the i's.It didn't look
taken him up on his
ey.
uld ve
offe
ctill crossing te soon enough.
Thenheed messages and found a voice
mail from Dea
ne I said no.
A Detective Palumbo called for you.He said it was important.
told him you were out of town.
Time was running out.
ent by without
I knew that Runing out for me and Sam Griffen both.lf