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Mr. Mac Lab Safety

Lab Safety and Equipment

What piece of lab equipment is used for looking at extremely small things? Microscope
What piece of lab equipment is used for measuring mass? Triple Beam Balance
What piece of lab equipment is used for measuring distance or length? meter stick
What basic metric unit will we use when measuring mass? grams
What piece of lab equipment is used for measuring liquid volume? a graduated cylinder (A pipette or eyedropper will also work if a very small volume is needed) Beaker and Flask are not precise
Never leave your lab area... ...without permission. OR ...messy.
Make sure when working at you lab station nothing is to close to... ...the edge.
It is important to make sure your lab station stays... ...neat and tidy.
What BASIC metric unit is used when measuring liquid volume? liters
What is volume? How much space something takes up.
What is mass? How much matter is in something. You could also say... The amount of matter that something is.
If you were measuring liquid volume and you needed a precise measurement, what piece of lab equipment would you use? graduated cylinder
What piece of lab equipment could I use to hold liquid when heating it over a Bunsen Burner? flask or beaker AND even a test tube
What piece of lab equipment holds things for you? lab stand
If you are not using something at a lab station you should... ...put it away.
If you are using an unknown substance or a potentially dangerous chemical we will always... ...wear safety glasses and be very careful.
What is weight? The pull or force of gravity on matter.
How are weight and mass different? Mass is not changed by gravity, weight is.
What basic metric unit is used for measuring distance? meter
If you were going to grow bacteria in a lab you would need many _________ ________ for the bacteria to grow and live in. Petri dishes or culture dishes.
What is a meter? The basic metric unit used for measuring distance.
Name some of the safety equipment in our lab. Eye wash, fire extinguisher, telephone, safety goggles and fire blanket.
40mL of water is a measurement of.... volume ...the amount of space the water take up.
30g is a measurement of... mass ...how much matter something has.
500cm is a measurement of... distance ...how long, wide or tall something is.
What are observations? Information collected using your senses.
What is a quantitative observation? Information that is measurable. It has numbers with it.
What are qualitative observations? Information about how something looks, feels, etc...
What is an inference? The conclusion you come to based on your observations. (similar to a hypothesis)
Created by: MrMac