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WorksheetsEnd of Module 1 Test
Total questions: 50
Worksheet time: 46mins
Study of the composition, structure and properties of matter and the changes it undergoes
Physics
Chemistry
Science
Basic Research
The study of most carbon containing compounds
Analitycal chemistry
Organic chemistry
Physical chemistry
Inorganic chemistry
Research done with the objective of solving a problem
Technological development
Basic research
Applied research
Testing
Research done with the objective of increasing our knowledge
Technological development
Pure Research or Basic research
Applied research
Testing
SI Units of volume
gallons
liters or dm3
Kilograms
pounds
SI Units of mass
gallons
liters
Kilograms
pounds
What is the scientific method?
It's whatever scientists say or write - we have to believe everything scientist say.
You open your science textbook and learn about science.
An organized plan of steps scientists follow in uncovering facts and solving scientific problems and communicated data.
What is the best description of a hypothesis?
A question or problem that can be solved through experimentation.
What you perceive with your senses.
An educated prediction to the answer of a stated problem, based on research and prior knowledge.
An experiment set up to observe and collect data on how something happens, or to test the hypothesis.
What is the best description of an experiment?
A question or problem that can be solved through experimentation.
What you perceive with your senses.
An educated prediction to the answer of a stated problem, based on research and prior knowledge.
An test / situation set up to observe and collect data on how something happens, or to test the hypothesis.
Substance and objects that can be seen, touched, and measured directly can be described as
Macroscopic
Microscopic
A physical change
A chemical change
Small particles that make up all matter can be described as
Macroscopic
Microscopic
A physical change
A chemical change
Meters (m)
Hour
Minute
year
__?__.
Which statement is correct about physical quantities?
Quantities that can be combined.
Quantities that can be described.
Quantities that can be measured.
Quantities that can be expressed.
In which way the physical quantities are expressed?
magnitude (Size) only
unit only
Magnitude (Size) and unit
magnitude (Size) and numbers
Which of the following is NOT the example of physical quantities?
the mass of a stone
the speed of a car
the depth of the ocean
the power of superhero
Which of the following is the correct pair of derived quantity and its SI base units?
temperature - Kelvin
speed - m s-1
volume - Litre
area - cm2
Write the number 104,000 in scientific notation and round to 4 significant figures.
1.040 x 105
1.04 x 105
1.040 x 104
1.04 x 104
Write the number 1,234,567 in scientific notation rounded to 5 significant figures.
1.2345 x 106
1.2346 x 106
12.345 x 105
12.346 x 105
Find the number 5.68 x 10-5 written in standard form
0.00000568
0.000568
56,800
0.0000568
Match the correct number of significant figures to the number: 4.300
1
2
3
4
5
Match the correct number of significant figures to the number: 0.03
1
2
3
4
5
Multiply:
(4 x 105) x (5 x 10-3)
Leave answer in scientific notation
20 x 102
20 x 10-8
2 x 103
2 x 10
(2.1×102) × (3.0×104)
Solve:
(6 x 106) / (2 x 103)
12 x 103
3 x 109
1.2 x 1010
3 x 103
5 x 108 - 3.4 x 108 =
7.3 x 105 + 3.7 x 105 =
Jessie estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.
Percent Error = /(Experimental value - Actual Value) / x 100
Actual Value 1
Describe the accuracy and precision of the image
Accurate and Precise
Accurate and not precise
Not Accurate but Precise
not accurate and not precise
A set of data are all close to each other, but they are not close to the actual value. This set of data can be described as having...
good accuracy
good precision
both good precision and accuracy
neither good precision nor good accuracy
Convert: 253 C to K:
K = C +273
Convert: 0 K to C
C = K -273
A newborn baby eats 8 times a day. At each feeding, he eats 2.5 ounces of formula. How many days will it take
for the baby to eat 1000 ounces? (do not round your answer)
1 day = 8 times feeding
1 time feeding = 2.5 ounces
50 days
400 days
32 days
312 days
How many miles will a person run during a 10.0 kilometer race?
1km = 0.621 miles
6.2 miles
6.21 miles
1.61 miles
1.6 miles
The moon is 250,000 miles from earth. How many feet is that?
(Respect the number of significant figures)
1mile = 5280ft
47, 348 ft.
47 ft.
1.32 X 109 ft.
1.3 X 109 ft.
How many minutes are in a school year, 187 days?
(Respect the number of significant figures)
1day = 24hrs
1hr = 60min
269,280 min.
16, 200 min.
16, 156 min.
269,000 min.
Which of the following is the answer for the problem with the correct number of significant digits?
24.32 + 1.1
25.6
25.52
25
25.0
The study of substances and processes occurring in living things, chemistry of living organisms.
Biochemistry
organic Chemistry
inorganic Chemistry
Applied Chemistry
