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Vocabulary
Matter
Sci. Notation/Sig. Figs.
Unit Conversion/Elements
Misc.
100
A descriptive model for observations
What is a Hypothesis?
100
Define Matter:
Anything that takes up space and has a volume.
100
0.00203 in Sci. Notation
2.03 x 10-3
100
What is the name of the following Elements: Hg Fe Ca Co
Mercury Iron Calcium Cobalt
100
Which of the following is NOT an example of matter? air heat smoke
heat
200
Which term attempts to explain an observation? (Theory or Law)
What is a Theory
200
A state of matter that takes BOTH the shape AND volume of the container it is in.
What is a Gas?
200
How many Sig Figs? 1) 801.30 2) 060.0
5 3
200
Convert 1 m to 1 Micrometer
1 m = 1,000,000 Micrometers
200
This law states that matter/energy is never created or destroyed in a reaction.
What is The Law of Conservation of Mass/Energy
300
A type of measurement that is descriptive and nonnumeric
What is Qualitative Data?
300
Which of the following is not a Physical Property? Mass Hardness Melting Point Color
Mass, Density IS a physical prop. but mass and volume are not since they depend on how much of the substance you have.
300
Calculate: (2 x 1010) x (4 x 10-7)
8000
300
What is the Atomic Symbol of the following Elements: Silver Sodium Potassium Manganese
Ag Na K Mn
300
The point where all matter stops moving; the lowest point on the Kelvin Scale
What is Absolute Zero
400
Having measurements that are close to each other (narrow and easily reproducible) but not necessarily close to the true value.
What is Precision?
400
Which of the following is a physical change? Corrosion Explosion Evaporation Rusting
Evaporation, because it is simply a change in state (which is always a physical change)
400
How many Sig Figs? 1) 20200 2) 1043.00 3) 810
3 6 2
400
Which of the following numbers represents the prefix deci-? 100 0.1 0.01
0.1, deci- as in "decimal"
400
Convert 225 degrees Celsius to Kelvin
498 K
500
Values that are known or estimated when taking measurements.
What are Significant Figures?
500
Which of these substances can only be separated by a chemical change? Element Compound Mixture
Compound
500
Calculate the following: 1) 2.30 x 450 2) 915 - 10.52
1.0 x 103 904
500
What is the prefix for the number 0.001
Milli-
500
Calculate the density of an object with a mass of 4.2 g and a volume of 9 cm3
0.47 g/cm3