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Mr. Mac Lab Safety
Lab Safety and Equipment
Question | Answer |
---|---|
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) |