Lab Equipment Pipette •To transport a measured volume of liquid. • 运输一定量的液体 Test Tube Rack •Designed to hold test tubes •设计用于容纳试管 Test Tube •Made of special glass; used to carry and heat chemicals. •由特殊玻璃制成； 用于运送和加热 化学品 Erlenmeyer Flask •Used to approximately measure the volume various liquids. • 用于大致测量各种液 体的体积 Beaker •Beakers are used for holding various chemicals. •烧杯用于盛放各种化 学品 Bunsen Burner •Used to heat substances quickly or if > 400oC is needed.. •用于快速加热物质 或需要> 400oC的 温度 Alcohol burner An alcohol burner is used to produce an open flame. 酒精燃烧器用于产生明火 Graduated Cylinder •Used to precisely measure the volume of liquids • 用于精确测量液体量 Dropper Transports or measures out small amounts of a liquid 运输或计量出少量液体 Florence Flask •Used to boil liquids. •用于煮液体。 Tongs Used to carry 用于携带 Thermometer •Measuring temperature. •测量温度 Stopwatch Used to measure the amount of time 用于测量时间量 Safety Goggles •To protect your eyes •为了保护你的眼 睛 Microscope •Used to view very small objects at a magnification of 40 to 100 times 用于以40至100倍的 放大倍率观看非常 小的物体 Buret Used for precisely measuring dispensed liquids 用于精确测量分 配的液体 Test Tube Holder •Used for carrying or holding hot test tubes. •用于携带或固定热 试管 Funnel •Used when pouring things from one container to another to avoid spills •在将物品从一个容器倒入 另一个容器时避免溢出 Stirring Rods • Used to stir substances. • Clean in between uses. • 用于搅拌物质。 • 两次使用之间应清洁 Triple Beam Balance •An instrument used for measuring mass •用于测量质量的仪器 Digital Balance • Used to accurately measure mass. • 用于精确测量质量。 Magnifier Magnifies small objects up to 10 times 放大小物体最多10倍 telescope is an instrument used to see objects that are far away 望远镜是用来观察远处物体的仪器 Lab Safety (实验室安全) The most important Lab Safety Rule…….. 最重要的 实验室安全规则 •Always follow directions •始终遵循指示 Goggles •Goggles should always be worn when chemicals are used, heated, or mixed. • 使用，加热或混合化学药品时，应 始终戴上护目镜 Chemical Rules:化学规则 •If you get chemicals in your eyes or on your skin, wash for 15 minutes. • 如果眼睛或皮肤上沾有化学药品，请洗15 分钟 •Never EVER point a test tube or bottle that you are heating toward yourself or anyone else. 切勿将正在加热的试管或瓶子对准自己或 任何人其他 Chemical Rules: •If you need to smell a chemical, hold it 6 inches away from your nose and wave the fumes toward your nose. •NEVER smell chemicals directly!!!! •如果需要闻一闻化学物质，请将其放 在离鼻子6英寸远的地方，然后将烟 气吹向鼻子。 •切勿直接闻到化学物质 Cleanliness:清洁度 •Your lab area should always be clean when you start a lab and when you finish a lab. •If a toxic substance was used, follow proper disposal directions •开始实验和完成实验时，实验室区域 应始终保持清洁。 •如果使用了有毒物质，请遵循正确的 处置说明 Dress Code: •Always tie long hair back •Closed-toe shoes only •No loose clothing; roll baggy sleeves up tight •总是把长发扎回去 •仅限露趾鞋 •没有宽松的衣服； 卷起宽松的袖子 Fire: •If there is a fire in the room, notify the teacher IMMEDIATELY. •If the fire is on you…….. •如果房间里有火，请立即通知老师。 •如果你身上有火... Always remember: •Its better to be safe than sorry •Tell the teacher if any accident occurs •安全胜于后悔 •告诉老师是否发生任何意外 •For the next few slides answer correct or incorrect. Safety Symbols Clothing Protection 服装保护 Corrosive Disposal Safety Electrical Safety Extreme Temperatures Fumes Sharp Object Safety Toxic Irritant Flammable Eye Safety Animal Safety Lab Equipment