Chemistry Test 1 Revised

What is the field of science that deals with the study of the composition, structure, and properties of matter and with the changes that matter undergoes?

• physics
• biology
• chemistry
• physical chemistry
• organic chemistry

What is the branch of chemistry which is the study of carbon-containing compounds?

• analytical chemistry
• biochemistry
• physical chemistry
• organic chemistry

What is the branch of chemistry which deals with identifying what substances are present in materials and how much of each substance is present?

• analytical chemistry
• biochemistry
• physical chemistry
• organic chemistry

Chemists in two different labs measure the density of different 1 kg samples of iron using the same method; their results were the same. What do these measurements demonstrate?

• 2 good chemists
• reproducibility
• repeatability
• dependability

What is a general explanation of why some part of the universe behaves the way it does?

• theory
• law
• hypothesis
• assumption

On what principle do scientists base the assumption that the events in the universe have rational causes?

• theory
• law
• hypothesis
• (principle of) causality

When defining the problem (a step of the engineering design process), an engineer identifies the criteria and the ???????????.

• blueprints
• prototypes
• tradeoffs
• constraints

Which limitation of science prevents the study of origins from being true science?

• Science relies on assumptions.
• Science can study only created matter and energy in the present.
• Science is affected by the bias of scientists.
• Science provides only approximate descriptions of origins from being true science.

In the engineering design process a person should define the problem (identifying criteria and constraints), design the solution (first, listing general ideas for designs, then do what?

• Make a tradeoff and begin building the chosen design.
• Determine the budget for building the chosen design.
• Choose a design idea based on the criteria and constraints.
• Build and test a prototype of each design idea.

Which of the following quantities does not have any uncertainty?

• volume of a water bottle in liters
• mass of a penny in grams
• height of a desk in meters
• length of a minute in seconds