Playing it Safe
These two pieces of personal protective equipment are required before starting any lab.
What are safety goggles and a lab jacket?
What is 2 sig figs?
Shape, Color, Sound Texture, yep yep... thats what these are.
What are physical properties?
This is the number of milliliters in a 12 L sample.
What is 12,000?
Chemistry is the study of this topic.
What is matter?
This is where chemical waste and highly volatile chemicals are stored.
What is the fume hood?
23.4855 + 8.73
32.22
When a high pH sample like bleach reacts with a low pH solution like vinegar, dangerous chlorine gas can form. Don't do this at home, but what am I describing?
What is a chemical change?
This is the rule that says the units must be placed in the numerator and denominator of a T-Table to be canceled out.
What is the Diagonal Rule?
What are compounds?
This is what you should do if a piece of glassware shatters.
What is...tell Mr. J., sweep the shards, and place it in a glass waste container?
2.350 x 10-3 / 3.44 x 107
6.83 x 10-11
I am a bit under the weather, so I mix baking soda and water together. I leave it out on the counter during the day, only to find half of it gone. What kind of change, might I ask?
What is a physical change?
Larry is given 5 servings of spaghetti. Each serving requires 1/2 cup of parmesean, 50 noodles, and 4 cups of sauce. A cup of sauce requires 2 onions and 4.5 crushed tomatoes.
How many crushed tomatoes are needed for Larry?
What is 90 crushed tomatoes?
These are the three main components of a measurement.
What are uncertainty, magnitude, and a unit?
This is the meaning of the phrase on a fire extinguisher: PASS
What is...
Pull
Aim
Squeeze
Sweep
Rank these from biggest to smallest
milli, Mega, deci, micro, nano, centi
What is...
Mega, deci, centi, milli, micro, nano
Coffee with Cream, Ketchup too, what kind of mixture...are these good for you?
What are homogeneous mixtures?
This is the number of centigrams in a 3.5 Megagram sample.
What is 3.5 x 108 cg?
When completing an experiment you should only have one of these (1), but have as many of these as possible (2).
What is independent variable (1) and controls (2).
These are the steps you need to take if a large quantity of corrosive chemical gets all over your legs.
What is...
Tell the teacher
Have someone escort you to safety shower
Remove clothes & soak for 20 minutes
This is the exponent factor for each SI prefix...
What is the units of Mega (106), kilo (103), deci (10-1), centi (10-2), milli (10-3), micro (10-6) and nano (10-9)?
It's a race of speed, yep that's right. Find it on the periodic table, answer with might.
Name the element, name the atomic number. If you don't find it, will be a real bummer...
W
What is Tungsten, Atomic #74?
This is the number of ounces in 550 micrograms.
What is 1.94 x 10-5 oz?
A fundamental part of chemistry, it was noted that the mass of your starting materials was never exceeded after a chemical reaction. But what is that, might I ask?
What is the LAW of conservation of mass?