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16 Cards in this Set

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Use unit analysis to show how many millimeters are in a kilometer.
Relationship: 1 km = 1000 m

Unit Anaylysis:
1 km x 1000m/1km x 1000 mm/1m = 1,000,000 mm
State the law of mass conservation.
The law of mass conservation states, "In all chemical and physical changes, matter is neither created nor destroyed."
Tell how to express scientific notation.
1. Move the decimal place to make the number fall between 1 and 10.
2. Count each space that the decimal was moved.
3. Make that number the exponent for the power of 10.
Give the formula to determine the density of a book which has a mass of 1200 g and a volume of 1400 cubic cm.
D = 1200 g/1400 cubic cm
If the number is very small (in scientific notation), the exponent on the power of 10 will be __________.
If the number is very small (in scientific notation), the exponent on the power of 10 will be NEGATIVE.
If the number is very small (in scientific notation), the decimal place will be moved to the __________.
In scientific notation, if the number is very small the decimal place will be moved to the RIGHT.
Metric units are related to each other by multiples of what number?
Metric units are related to each other by multiples of TEN.
The device used to measure mass is a mass __________.
The device used to measure mass is a mass BALANCE.
Hectometer is a unit of __________.
Hectometer is a unit of LENGTH.
Tell how to convert 5,600,000,000.0 into scientific notation.
1. The number between 1 and 10 is 5.6.
2. The decimal place was moved 9 places to the left.
3. Therefore, the scientific notation of 5,600,000,000.0 is 5.6 x 10 to the 9th power.
What is the unit of volume in the metric system?
The unit of volume in the metric system is the LITER.
The systemized metric system is known as __________.
The systemized metric system is known as the SI, or the SYSTEM INTERNATIONAL (OF UNITS).
Which of the following is the most dense: ice, fresh water, or seawater?
Of the three substances, SEAWATER is the most dense.
What is the unit of weight in the SI?
The unit of weight in the SI is the NEWTON (N).
What is the curved surface of a liquid in a graduated cylinder called?
The curved surface of a waterlike liquid in a graduated cylinder is called a MENISCUS.
Briefly describe osteoporosis and tell what is used to diagnose the condition.
Osteoporosis is the LOSS OF CALCIUM from the bones, and is diagnosed using a BONE DENSITY TEST.