Lab Safety
What is the correct way to wear goggles and why are they important?
Wear them over your eyes, not your neck. They keep any dangerous chemicals out of your eyes.
What type of conversions does KHDbdcm help you?
Metric to metric conversions.
How many significant figures does 0.00956 have?
3
How many inches in 230 centimeters?
90.6 inches
What are significant digits?
Round another decimal place after your measurement.
What do you do if you get a little bit of chemical on your hand?
Wash your hands really good.
What type of conversions are dimensional analysis and temperature formulas?
Metric to english.
How many significant figures does 19,000,001 have?
8
How many meters in 450 yards?
410 meters.
What is precision?
Hitting the same place over and over again.
What would you do if you got a bunch of chemicals all over your body?
Use the shower.
What are units that you have to do calculations to get answers?
Derived units.
Put 21,000,000 into scientific notation.
2.1 times 107
How many cm in 230 feet?
Put in scientific notation.
7.0 times 103
What is accuracy?
Actually hitting the target or hypothesis.
If an actual person is on fire, what would you use?
A fire blanket.
What do you do to find the volume of an irregular object?
Water displacement.
Put 36,890 into scientific notation.
3.7 times 104
How many mm in 50 ft?
Put in scientific notation.
2 times 104
What 2 things are on the x axis?
Manipulated variable and independent variable.
How do you use a fire extinguisher?
1. Pull the pin out.
2. Aim the nozzle at the thing on fire.
If water is sitting at 30 mL and you drop a key and the water raises to 45 mL, what is the volume of the key?
15 mL
What is 4.01 times 5 using significant figures?
20 or 2 time 101
How many feet in 350 meters?
Put in scientific notation.
1.1 times 103
What 2 things are found on the y axis?
Dependent variable and responding variable.