Lab Safety
To protect eyes from flames, glass, and chemicals.
What is the purpose of goggles?
The modern metric system used in almost every country in the world and by scientists all over the world.
What is the SI System of Measurement?
123L = ___mL
What is 123000mL?
0.000123 expressed in scientific notation
What is 1.23 x 10-4
What is a testable question?
To protect clothing from stains and bleaching, and to protect your torso.
What is the purpose of aprons?
Measuring to one place value past what is marked on the measurement tool.
What is measuring with correct significant figures?
456789mm = _____km
What is 0.456789km?
Number of significant figures in 180.005
What is 6?
The variable being tested.
What is the independent variable?
15 minutes
What is the amount of time you must rinse your eyes in the eye wash if chemical splash in them?
These units are used when measuring the volume of a liquid in a graduated cylinder.
What are milliters?
What is 105 C expressed in degrees F?
What is 221 degrees F?
18.105 rounded to 2 significant figures
The group in the experiment in which the independent variable IS NOT tested.
What is the control group?
Fire Blanket
What should be used to put out a fire on someone?
These units are used when measuring the volume of a solid.
What are cubic centimeters?
What is 0K expressed in degrees F?
What is -459.67 degrees F?
0.002530 rounded to 1 significant figure
What is 0.003 or 3 x 10-3?
Constant variables
What are variables in the experiment that remain the same throughout the experiment.
Fire Extinguisher
What should be used to put out a fire on some THING?
The method used to measure the volume of an irregularly shaped object.
What is water displacement?
455 km expressed in miles (correct sig figs)
What is 283 miles?
199.975 rounded to 2 sig figs and expressed in scientific notation.
What is 2.0 x 102?
DRY MIX
What is the dependent variable is graphed on the Y axis and the independent variable is graphed on the X axis?