Please complete Bellringer on your desk. Lab Safety and Tools August 31, 2015 Materials: Pencil Science Notebook Please complete Bellringer on your desk. Please Do NOT write on the handout. Label Page #3 Lab Safety

Lab Safety No horseplay. Follow all written and verbal instructions. Never work alone. Know the locations and operating procedures of all safety equipment. Do not eat or drink in the lab. In case of an accident, notify the teacher. Dispose of all chemicals properly. Always wash your hands after lab. Always wear goggles in lab. Dress properly

Name three lab safety rules. Question 1 Name three lab safety rules.

Safety Equipment Goggles- used to protect your eyes from chemicals (Most important) Apron- used to protect your clothes and skin from chemicals Gloves- used to protect your hands from chemicals

Question 2 What pieces of safety equipment can be used to protect your eyes, hands, and body?

Fire extinguisher The acronym PASS will help you remember how to use a fire extinguisher: PULL, AIM, SQUEEZE, and SWEEP. Step 1 – PULL the pin on the handle. Step 2 – AIM the nozzle at the base of the fire to attack the fuel. Step 3 – SQUEEZE the top lever or handle. Step 4 – SWEEP the nozzle from side to side until the fire is completely out.

Fire Blanket Step 1 Remove fire blanket from its container. Step 2 Shield your face, arms, and hands with the blanket by wrapping the outside of the blanket around your arms. Step 3 PLACE, do not throw, the fire blanket on the burning material. No air should be getting to the flames. Step 4 If it is safe, turn off the heat source causing the fire. Step 5 Leave the blanket on the burning material at least 30 minutes. Do not remove the blanket until it is cool. Note: If you are trying to smother a clothing fire, tightly wrap the blanket around the person whose clothes are on fire and roll them on the floor in the blanket.

Face/Eyewash Step 1 – Guide injured student to the eyewash station. Step 2 – Use your hands to hold the eyes open while using the eyewash to ensure water reaches the eyes. Step 3 – Flush the skin or eyes with water for at least 15 minutes. DO NOT RUB! Step 4 – Get medical assistance immediately.

Question 3 What two pieces of emergency safety equipment can be used to put out small fires?

Question 4 What piece of emergency safety equipment can be used to clean chemicals out of your eyes?

Lab Tools Graduated cylinder- used to measure volume in milliliters mL (very accurate) Triple beam balance- used to measure mass in grams g (very accurate) Beaker- used to measure volume (less accurate) Thermometer- used to measure temperature in Celsius C Ruler- used to measure length in centimeters cm or volume in cm3 Timer- used to measure time in seconds s Test tube- used to hold liquids Magnifying glass- used to see objects more clearly

What pieces of lab equipment can be used to measure mass and volume? Question 5 What pieces of lab equipment can be used to measure mass and volume?

What are the units for mass and volume? Question 6 What are the units for mass and volume?

What piece of lab equipment is used to measure temperature? Question 7 What piece of lab equipment is used to measure temperature?

Question 8 What piece of lab equipment is more accurate: a graduated cylinder or a beaker?