1. Draw a simple flow chart outlining
the steps of the scientific method. Include what happens if the experiment does
not agree with the hypothesis.
2. What are the metric units used to
measure length/distance, mass, volume, temperature, and time? What are their
abbreviations?
3. Write the following numbers in
scientific notation.
A. 25,030,000
B. 0.000258
C. 34,003,000,000,000
D. 0.00000000314
4. Do the following conversions.
A. Convert 100 milliliters into liters.
B. Convert 450 grams into milligrams.
C. Convert 320 centimeters into meters.
D. Convert 4 kilograms into grams.
E. Convert 5,930 liters into
milliliters.
5. How many significant figures are in
the following numbers?
A. 422.002
B. 50.20
C. 50,000,000,000
D. 599
E. 93.0
6. Solve the following problems with
answers with the correct number of significant figures
A. 10.5 * 22
B. 60.0 + 22.543
C. 533.215 – 255.01
D. 5586.251 / 5.2
E. 525 + 22.156
F. 22.2 * 562.12
G. 633.1 – 52.256
7. Are the following chemical or
physical changes?
A. Ice melting
B. Gasoline burning
C. Table salt (sodium chloride) dissolving
in water
D. Iron rusting
E. Breaking a glass
F. Protein being digested into amino
acids
8. What are the three subatomic
particles that atoms are made of and what are their charges?
9. If an atom has twenty six protons,
thirty neutrons, and twenty six electrons what is its atomic number? What is
its atomic weight? What element is it? What is its symbol?
10. Which are heavier electrons or
protons?
11. Are the following elements metals, nonmetals or semimetals?
A. Cobalt (Co)
B. Xenon (Xe)
C. Boron (B)
D. Calcium (Ca)
E. Oxygen (O)
F. Tungsten (W)
11. Are the following elements metals, nonmetals or semimetals?
A. Cobalt (Co)
B. Xenon (Xe)
C. Boron (B)
D. Calcium (Ca)
E. Oxygen (O)
F. Tungsten (W)
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