(
课件网) 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
