Which of the following is an area of physics that studies motion and its causes

• thermodynamics
• mechanics
• quantum mechanics
• optics

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

NGSS.HS-PS2-3

Listening to your favorite radio station involves which area of physics?

• optics
• thermodynamics
• vibrations and wave phenomena
• relativity

A baker makes a loaf of bread. Identify the area of physics that this involves

• optics
• thermodynamics
• mechanics
• relativity

according to the scientific method, why does a physicist make observations and collect data?

• to decide which parts of a problem are important
• to ask a question
• to make an interpretation
• to solve all problems

In the steps of the scientific method, what is the next step after formulating and objectively testing hypotheses?

• interpreting results
• stating conclusions
• conducting experiments
• making observations and collecting data

Why do physicists use models?

• to explain the complex features of simple phenomena
• to describe all aspects of a phenomenon
• to explain the basic features of complex phenomena
• to describe all of reality

Which statement about models is not correct?

• Models describe only part of reality
• models help build hypotheses
• models help guide experimental design
• Models manipulate a single variable or factor in an experiment

What two dimensions, in addition to mass, are commonly used by physicists to derive additional measurements?

• length and width
• area and mass
• length and time
• velocity and time

The symbol mm represents a 

• micrometer
• megameter
• millimeter
• manometer

The SI base unit used to measure mass is the 

• meter
• kilometer
• gram
• kilogram