Science vs. Pseudoscience
SI Units/Metric conversions
Scientific Notation/Density
Sig Figs/ Math with Sig Figs
Random
100
Which of the following is not a science?
A. Chemistry
B. Astrology
C. Biology
D. Astronomy
B
100
List the SI units:
1. distance
2. temperature
3. mass
1. Meters
2. Kelvin
3. Kg
100
Write this number is scientific notation.
0.000713
7.13 x 10 -4
100
How many sig figs?
0.009006
4
100
In the lab you discovered the boiling point of alcohol to be 78.27oC. The accepted value is 78.37oC. Calculate error. Be careful to round correctly with correct sig figs.
-0.10
200
List the steps of the scientific method in order
Question or observation
Research
Hypothesis
Experiment
Analyze data
Conclusion
200
The temperature in Florida is about 25oC. What temperature is this in Kelvin?
298 K
200
Write this number is standard form.
5.16 x 10 3
5160
200
Round to 3 significant figures.
713409
713000
200
In the lab you discovered the boiling point of alcohol to be 78.27oC. The accepted value is 78.37oC. Calculate percent error. Be careful to round correctly.
0.1276%
300
Do tomatoes have a faster growth rate under fluorescent, incandescent, or natural light?
What is the independent variable in this experiment?
The type of light.
300
Which of the following is considered to have derived units?
A. Volume
B. Mass
C. Length
D. Temperature
A
300
Calculate this problem. Round to the correct number of sig figs.
4.82 x 10 2 / 1.65 x 10-5
=)
300
Round to 3 significant figures.
3.145032
3.14
300
What is the dependent variable?
Number of supplies.
400
Scientific theory or law?
A statement that explains what happens in the natural world without any explanation of why.
Scientific Law
400
23 g =______ kg
0.023 kg
400
Double Jeopardy!!!!!!!!!
The density of gold is 19.3 g/cm3 . If I have a 100.0 cm3 of gold how many grams of gold do I have? Answer with the correct number of sig figs.
Extra $400: If gold sells for $42 per gram how much money can I sell my gold for.
1930 g of gold
Double Jeopardy: $81,060
400
2.14+134.2451=
Round to the correct number of sig figs.
136.39
400
The temperature was 13.0oC. The temperature was raised 135 K. What is the temperature new in Kelvin? Round to correct number of sig figs.
412.0 K
500
The mass of carbon dioxide is 44 g/mol. In the lab you record the following data: 43 g/mol,35 g/mol, 23 g/mol. Which is true about your data?
A. All of this data is accurate.
B. All of this data is inaccurate.
C. This data is precise.
D. The data is not precise.
D
500
0.000678 kL = ___________mL
678 mL
500
Francium is an alkali metal that is very explosive in water. The density of Francium is 2.48 g/cm3. I have 13.5 g of francium. How many mL of francium do I have? Answer with the correct number of sig figs.
5.44 mL
500
213.0 X 1.3=
Round to the correct number of sig figs.
280
500
Final Jeopardy!!!!!!!
The mass of a substance is 0.028 kg. The volume is 1.5 mL. What is the density of this substance? Make sure you have correct significant figures.
19 g/mL