Unit 1: Measurement and Analysis
How is the number 3.91 x 10-4 expressed in regular numbers?
0.000391
When writing 6,020,000 in scientific notation, it is correctly written as:
6.02 x 10 6
TRUE OR FALSE: Volume is a measure of the quantity of matter in an object.
FALSE
TRUE OR FALSE: Solids and liquids have both mass and volume, but a gas has only mass.
False: application of basic concept (all matter has mass)
TRUE OR FALSE: Drawing a conclusion derived from knowledge of an established principle is called deductive reasoning.
TRUE
TRUE OR FALSE: Mass is measured against a standard by using a balance.
TRUE
product development
finds practical applications
production
manufacturing
information chemist
market research
If you move an object from the base of a mountain to the top of the mountain:
only mass remains constant
legal services
patent rights
A theory which repeatedly fails to confirm the expected predictions after extensive research:
probably is incorrect
environmental engineer
quality of life
What is an observation that requires measurement?
quantitative
marketing
sales
technician
services equipment
corporate management
short- and long-term objectives
Conclusions drawn from personal beliefs are:
subjective
What is the definition of volume?
the space occupied by mass
R&D
theoretical research
What is a hypothesis which appears to be verified by multiple experiments and/or researchers?
theory
What are the three aspects of the measuring process?
units, instruments, and mathematics
