Physics Chapter 1 Formative Assessments
Express the following measurement as indicated: 6.20 mg in kilograms
0.0000620 mg
Give two examples of ways that physicists model the physical world.
A mathematical equation A physical model Computer model Diagram
What are the activities involved in the scientific method?
Make observations and collect data that lead to a question. Formulate and objectively test hypotheses by experiments. Interpret results, and revise the hypothesis if necessary. State conclusions in a form that can be evaluated by others.
Name the major areas of physics
Mechanics Thermodynamics Vibrations and Wave Phenomena Optics Electromagnetism Relativity Quantum Mechanics
Identify the area of physics that is most important to the following: a highschool football game
Mechanics; throwing and running
Which SI unit would you use for the following measurement? The length of a swimming pool
Meter
Which SI unit would you use for the following measurement? The time it takes a swimmer to swim a lap in the pool
Seconds
Indicate which of the following physics symbols denote units and which denote variables or quantities. a) C b) c (italicized) c) C (italicized) d) t (italicized) e) T f) T (italicized)
a) unit b)variable c)variable d)variable e)unit f)variable
Identify the area of physics involved in each of the following tests of a lightweight metal alloy proposed for use in sailboat hulls. a. testing the effects of a collision on the alloy b. testing the effects of extreme heat and cold on the alloy c. testing whether the alloy can affect a magnetic compass needle
a. mechanical b. thermodynamics c. electromagnetism
Identify the area of physics that is most important to the following: lightning in a thunderstorm
electromagnetism
Which SI unit would you use for the following measurement? The mass of the water in a pool
kilogram
Identify the area of physics that is most important to the following: wearing a pair of sunglasses outside in the sun
optics
Identify the area of physics that is most important to the following: food preparation fo rthe prom
thermodynamics
Identify the area of physics that is most important to the following: playing in the school band
vibrations and waves