Name the base SI (metric) unit for measuring mass. What piece of equipment would you use to measure mass?
Grams are the base SI unit for mass; Use a scale or triple beam balance to determine mass.
Name the base SI (metric) unit for measuring distance/length. What piece of equipment would you use to measure length/distance?
Meters are the base SI unit for length/distance; Use a metric ruler or meter stick to determine distance
Name the base SI (metric) unit for measuring liquid volume. What piece of equipment would you use to measure liquid volume?
Liters are the base SI unit for liquid volume; Use a graduated cylinder to measure liquid volume
Why do you need to know how to use the metric system?
It is used in most countries by most scientists around the world
Steps to use a triple beam balance
-make sure the balance is zeroed -place object on balance -move the hundreds rider one notch at a time until the balance arrow sinks below the balance line; move hundreds rider back one -move the tens rider one notch at a time until the balance arrow sinks below the balance line; move tens rider back one -Move the ones rider slowly so that the balance arrows lines up with the balance line -Add all 3 riders together to find mass
1 cubic centimeter (1 cm3) equals _______mL
What method do you use to find the volume of an irregularly shaped object?
The Water Displacement Method
What are the steps of the water displacement method?
-Read the volume of just the water -Place the object in water -Read the volume of the object and the water -Subtract the volume of just the water from the volume of the water and the object Convert ml to cm cubed (1mL=1 cm cubed)
Jimmy is finding the volume of a magnet. He fills the graduated cylinder to 50 mL then drops the magnet in the graduated cylinder. It reads 57 mL with the magnet. What is the volume of the magnet
7 cubic centimeters
What tools can be used to put out a fire in a lab?
Fire extinguisher & Fire blanket
What is P.A.S.S.?
The proper way to use a fire extinguisher P-Pull the ring A-Aim the nozzle S-Squeeze the handle S-Sweep over the base of the fire
What is the proper way to observe the smell of a chemical?
To waft the fumes towards your face
What piece of equipment do you use to cut into an organism during a dissection?
Dissecting scissors or a scalpel
What should you do if there is a problem in the lab, such as a fire, spill or injury?
Notify the teacher
Give the mnemonic for the prefixes used in the metric (SI) system.
King Henry Died Drinking Chocolate Milk
When reading liquid volume, what is the name of the "dip" or "curve" you observe in the liquid?
What part of the meniscus do you read when reading a graduated cylinder?
What does SI mean?
International System of Units (also known as the Metric System); a standard for measurement; based on multiples of 10
What is mass?
the amount of matter in an object (does not change)
What is weight?
the force of gravity upon an object (weight changes based on the location of that object)
This symbol appears when care must be taken to dispose of materials properly
This symbol appears when there is danger involving bacteria, fungi, germs, etc.
Open Flame Alert
This symbol appears when use of an open flame could cause a fire or an explosion
This symbol appears as a reminder to use caution when handling hot objects
Sharp Object Safety
This symbol appears when a danger to cuts or punctures caused by the use of sharp objects exists
This symbol appears when chemicals or chemical reactions could cause dangerous fumes
This symbol appears when care should be taken when using electrical equipment
Skin Protection Safety
This symbol appears when use of chemicals might irritate the skin
This symbol appears whenever animals are studied and the safety of the animals and the students are of concern
This symbol appears whenever radioactive materials are used
Clothing Protection Safety
This symbol appears when substances used could stain or burn clothing
This symbol appears when care should be taken around open flames
This symbol appears when misuse of chemicals could cause an explosion
This symbol appears when a danger to the eye exists and safety goggles should be worn.
This symbol appears when poisonous substances are used
This symbol appears when chemicals used can cause burns or are poisonous if absorbed through the skin
What is a class A fire?
Fire involving wood, paper, trash, plastics, etc.
What is a class B fire?
Fire involving agents such as gasoline, propane, oil, etc.
What is a class C fire?
Fire involving electrical items, appliances, transformers, etc.
A dissecting tray and __________ are used to hold a specimen in place during a dissection.
This piece of equipment uses ELECTRICITY to heat substances during experiments
This piece of equipment uses GAS to create a small flame to heat substances during experiments
This piece of equipment is used to hold beakers when you need to move them
This piece of equipment is used to transfer very small amounts of a liquid
This piece of equipment is used to crush, grind or mix substances
Mortar and Pestel
This piece of equipment is used to pick up small items or parts of a specimen
To view a specimen under a microscope, you would need a ___________ slide and a cover _______.
Microsope Slide & Cover Slip
If you wanted to look more closely at the details of specimen such as an insect, you would grab a ____________ lens.
If you wanted to view bacteria, you would need to magnify the specimen by using a _________________ to help you see it.
Microscope (magnifies very small objects and specimens up to 400X)
The equipment used to experiment with small amounts of liquids are called ___________ and they are stored in a ________________.
Test Tubes; they are stored in Test Tubes Rack
This piece of equipment is used to hold and transfer test tubes while heating them
Test tube holder
This piece of equipment is used to grow and identify cultures
This piece of equipment is used to clean test tubes
Test tubes brush
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