Chemistry
Measurement/Problem Solving
Units Conversions/Dimensional Analysis
Density
100
Composed of some mass that occupies 3 dimensional space
What is Matter?
100
The number of digits in a value to determine the accuracy of that value in a calculated measurement
What are signifcant figures?
100
4 important and common SI units
What is Length, Mass, Time, and Temperature?
100
The definition of density
What is the amount of mass per volume of an object, D=m/v?
200
THe gesture method within the scientific method for "Confirming or revising the hypothesis".
What is.....?
200
These values are never considered to be signficant
What are Leading Zeros?
200
The prefix nano- corresponds to this multiplier value
What is 1.00x10-9?
200
The density of helium is 0.0001248g/mL and the density of air is 0.001293 g/mL. Between these two, this will float higher than the other.
What is Helium?
300
Usually occurs at the end of Experimentation under the Scientific Method.
What is accept/falsify/modify the Hypothesis?
300
The volume of this liquid in mL.
What is 50.28 mL or 50.29 mL?
300
How many µg are in 4.97 mg?
What is 4.97 X 103 µg?
300
Submerging a can of soda in water inside a cylinder that contain measurements lines of 5, 10, 20, 30 mL, etc. allows us to measure this
What is Volume, V=Vf-Vi?
400
Classify as Observation, Law, or Theory: "Plants use CO2 during photosynthesis"
What is Scientific Law?
400
When accounting for significant figures, the lowest amount of decimal places account in the final answer
What is the Addition/Subtraction rule?
400
The speed of light from the sun travels at
3.0 x 1010 cm/s towards earth. The observer wants to know how many miles light travels per day. This is the value he obtained.
What is 1.6 x 1010 mi/day?
400
The volume of an object is known to have dimensions of (L) 24.5 cm x (w) 16.54 cm x (h) 5.78 cm and the weighing balance was showing a value of 134.5 mg. The density was found to be this.
What is 5.74 x 10-5 g/cm3?
500
This can take up decades, centuries or an indefinite amount of time to change if even possible.
What is Scientific Theory?
500
(3.70 mi+25.04 mi) X 13.780x103 mi
The significant figures in the final value is based on this rule and What is this value?
What is the Multiplication/Division rule and
3.960x105 mi?
500
A container contains 1409 in3 of water and someone wants to figure out how many cL of water it contains, he found out it was...
What is 2.31 x 103 cL?
500
A sample of sulfur hexafluoride weighing 13.20 g is known to have a certain amount of mass per unit volume of 6.17 kg/m3. The volume was found to be this
What is 2.14 x 103 mL or cm3?