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WorksheetsUnit 1 Review
Total questions: 42
Worksheet time: 33mins
Convert 7.0 liters to milliliters.
0.007 mL
7000 mL
70 mL
700 mL
A basketball court is 28700 mm. How long is it in meters?
2.87 m
287 m
0.287 m
28.7 m
Dwayne Johnson has a mass of 119 kg. What is his mass in centigrams?
11900000 cg
119 cg
11900 cg
0.00119 cg
Shaquille O'Neal is 2.2 meters tall. He is (a) centimeters tall.
Two substances are mixed together. One is a metal of some type and the other is a quartz looking substance. What is the best method to separate the two?
filtration
distillation
magnetism
sifting
When separating a mixture, you dissolve one substance and the other one does not dissolve. What process could you use to separate these two substances?
filtration
magnetism
distillation
sifting
A bicycle is left out in the rain and sunlight for days and begins to rust. What type of change is this?
physical
chemical
After lunch your food is digested to provide your body with energy resources. What type of change is this?
physical
chemical
Sodium chloride dissolves in water. This is a (a) change.
A substance has a boiling point of 373 Kelvins. What type of property is this?
physical
chemical
Density of a substance is a (a) property.
A substance's flammability is what type of property?
physical
chemical
A soccer field is 105 meters from goal to goal. Choose the best answer for this measurement.
length
volume
mass
density
A bottle of water is 500 milliliters. Choose the best answer to describe the measurement.
length
mass
volume
density
A bag of apples is 56.0 kilograms. Choose the best measurement to describe the bag.
length
mass
volume
density
When experimental values are close to one another and consistent with one another, this verifies the reliability of the experimental procedures. Choose the best answer to describe the experiment.
precise
accurate
An experiment produced the following values: 1.50 g/mL, 1.13 g/mL, 2.03 g/mL, and 0.89 g/mL. The substance has an accepted value of 2.16 g/mL. Choose the best answer to describe the experiment.
accurate and precise
not accurate but precise
accurate but not precise
not accurate and not precise
Match each property with the type of measurement that would best help identify a substance.
length
Distance from one end of an object to the other
mass
Amount of matter in an object
volume
Space occupied by an object
density
Ratio of mass to volume of a substance
Calculate the mass of a substance given a density of 1.59 g/mL and a volume of 675 mL.
0.00235 g
424.53 g
1073.25 g
What is the density of a substance given a volume of 55 mL and a mass of 45.4 grams.
0.825 g/mL
2497 g/mL
1.21 g/mL
The density of a substance has an accepted value of 8.67 g/mL. The following data was collected from an experiment: 6.56 g/mL, 6.57 g/mL, and 6.54 g/mL. Which of the following best describes the experiment?
accurate and precise
accurate but not precise
precise but not accurate
not accurate and not precise
An experiment was conducted on plant growth and produced the following data: 3.50 cm, 3.52 cm, and 3.49 cm. The known value of the plant's average growth is 5.67 cm. The experiment is considered ___.
accurate
precise
What concept depends on gravity acting on an amount of matter?
mass
volume
density
weight
The variable that changes in an experiment as a result of another variable is the ______ variable.
independent
dependent
The variable being tested in an experiment is called the ____ variable.
independent
dependent
A chemical reaction produces a vigorous gas and heat. What type of data is this?
quantitative
qualitative
68.4 grams of sodium is an example of what type of data?
quantitative
qualitative
(a) is a systematic approach used in scientific study and research.
Measure of the amount of matter is (a) .
Amount of space an object takes up.
mass
volume
length
density
Matter that has a definite and uniform composition.
volume
substance
density
radiation
Convert 250 centimeters to meters.
25 m
0.25 m
2.5 m
2500 m
Which of the following is a chemical property?
melting point
color
reactivity with acid
density
A student measures the mass of a sample three times and gets 12.1 g, 12.2 g, and 12.1 g. The actual mass is 15.0 g. The measurements are:
accurate and precise
precise but not accurate
accurate but not precise
not accurate and not precise
Aluminum has a density of 2.70 g/cm3. The aluminum block has a length of 6.5 cm, width of 3.60 cm, and a height of 4.70 cm. What is the mass of the aluminum block? Round to the ones place.
(a)
Which process is best for separating a mixture of sand and salt?
distillation
filtration
magnetism
chromatography
Which of the following is an example of a physical property?
flammability
ability to rust
boiling point
reactivity with acid
What is the best method to separate a mixture of iron filings and sulfur powder?
filtration
magnetism
evaporation
distillation
Convert 3.5 kilograms to grams.
0.035 g
350 g
3500 g
35 g
Which of the following is the best description of a chemical property?
color
melting point
density
reactivity with oxygen
What is the mass of a sample if its density is 2.5 g/mL and its volume is 40 mL?
16 g
100 g
42.5 g
10 g
Which process would best separate a mixture of salt water into its components?
sieving
magnetism
distillation
filtration
