<h1><b>四（5）班</b></h1><h1><b>王 启 杰</b></h1> <h3><span style="font-family: -webkit-standard; white-space: normal; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.301961); -webkit-text-size-adjust: auto;"><b>实验材料：</b></span></h3><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">1、一杯水</h3></div></div><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">2、一个透明玻璃杯</h3></div></div><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">3、一枚硬币</h3></div></div> <h3><b>实验过程：<br></b><b>第一步：<br></b>将空透明玻璃杯放在硬币上方，从杯子的侧面，我们可以看到硬币被压在了杯底。</h3> <h3><b>第二步：</b></h3><h3>往空杯子里慢慢倒水！</h3> <h3>空杯子倒满了水后我们发现，咦！～硬币不见了？！！！</h3> <h3><b>原理：</b></h3><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">其实硬币并没有消失，只是光的折射原理欺骗了我们的眼睛。</h3></div></div><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">我们可以看见一个物体是要经过一个过程：光照物体 →反射到我们的眼睛。</h3></div></div><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">而当光线穿过不同密度的物品都会产生不同程度的折射。这里的物品包括水，包括空气。</h3></div></div><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">在这个实验里，光照射到硬币，必须通过玻璃、空气、水3个物品才到达我们的眼睛。这个过程光已经经过几次折射。所以我们在侧面看不到硬币，但从上而下地正面俯视杯底，硬币依然还在！</h3></div></div> <div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e=""><b>如图所示</b>，在没有水的情况下，光照硬币的折射会按照上图最右下角的箭头直接到达我们的眼睛。但是当加入水后光的折射角度就会往我们眼睛相反的方向。</h3></div></div><div class="c-row" data-a-2206cd25="" data-a-41c1ff1e="" style="white-space: normal; margin-right: -3.5px; margin-left: -3.5px; display: -webkit-flex; width: auto; align-content: flex-start; align-items: stretch; -webkit-box-align: stretch; -webkit-box-direction: normal; -webkit-box-lines: single; -webkit-box-orient: horizontal; -webkit-box-pack: justify; flex-flow: row nowrap; justify-content: space-between; font-family: Arial, Helvetica, sans-serif; font-size: 14px;"><div class="content-text c-span12 content-text0" data-a-339f6d90="" data-a-41c1ff1e="" data-a-2206cd25="" style="padding: 0.14rem 0.03rem 0.1rem; position: relative; min-height: 1px; width: 348px; -webkit-box-flex: 12; flex: 12 12 auto; font-family: PingFangSC-Regular; font-size: 0.19rem; letter-spacing: 0.95px; line-height: 0.31rem;"><p data-a-41c1ff1e="">也就是这个原理，<span style="letter-spacing: 0.95px;">由于光的折射，游泳池的水看起来会比实际深度要浅，所以小盆友们不能随便下水玩，要注意安全哦！！⚠️</span></h3></div></div>