What is meant by a ‘hazard’? - Something that could cause harm., What apparatus is used to protect your eyes during an experiment? - Goggles, What does ‘toxic’ mean? - Poisonous, What does ‘corrosive’ mean? - It will burn, What does ‘irritant’ mean? - It may cause skin to become red, swollen or itchy, What does ‘flammable’ mean? - It will catch fire easily, How can glass be a hazard? - If it breaks you may get cut., How can water be a hazard? - If it spills you may slip., What is meant by ‘risk’? - How likely something is to cause harm, Why can you not sit down during an experiment? - If anything spills you can’t get out of the way safely., Which apparatus is used to measure time? - Stop clock, Which apparatus is used to measure volume? - Measuring cylinder, Which apparatus is used to measure mass? - Balance, Which apparatus is used to measure temperature? - Thermometer, Which apparatus is used to mix chemicals together in? - Beaker, What must you never do with a thermometer? - Stir, Where must test tubes be placed during an experiment? - Test tube rack, How is a boiling tube different to a test tube? - Boiling tube is bigger, What must you always place under a Bunsen burner? - Heat proof mat, What is a pipette used for? - Adding drops of liquid, Why does Bunsen start with a capital B? - Named after a scientist, What must you always check about the hose? - There are no holes / damage, How do you open / close the air hole? - Turn the collar, What must you do to the air intake hole before lighting the Bunsen burner? - Close it, Name the tall part of the Bunsen burner - Barrel, Which part of the Bunsen burner is safe to hold? - Base, Which flame must the Bunsen burner be left on when you are not using it? - Yellow / safety flame, Name the 2 parts of the blue flame - Inner and outer cone, Which flame do you use when heating? - Blue / roaring, Which is the hottest part of the blue flame? - The top of the inner core, What are the units for measuring time? - Seconds / minutes / hours, What are the units for measuring mass? - g / mg / kg, What are the units for measuring temperature? - oC, What are the units for measuring volume? - ml / cm3, What shape is the meniscus? - Concave, Which part of the meniscus do you measure from? - Bottom, 100mm is divided into 5 intervals. Give the value of 1 interval. - 20mm, 0.1g1g is divided into 10 intervals. Give the value of 1 interval. - 0.1g, What must you do to a balance before using it to measure mass? - Zero / tare, 40. A beaker of water has a mass of 38g. An empty beaker has a mass of 25g. What is the mass of the water? - 13g,

Working in the lab

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