Chapter 1 Ergopedia

What kind of light is represented on a computer screen by an RGB value of (255, 255, 0)?

• white

• magenta

• black

• yellow

• blue

Which of the following is the best example of scientific evidence?

• the results of a trial described in an online encyclopedia

• testimony of a police officer, including the recovery and identification of fingerprints

• instructions by a judge to a jury as to what information they may use when considering a case

• the verdict of the jury in a civil trial

• a defendant's plea of "not guilty"

What is exchanged every time that something gets hotter, colder, faster, or slower?

• information

• energy

• biology

• Newton's Laws

• chemistry

What is the smallest particle of an element, such as aluminum, that you can have?

• photon

• newton

• atom

• quantum

• microscope

Which of these statements is quantitative?

• It is very humid outside today.

• The kinetic energy of an object decreases when it moves slower.

• The ice is so smooth that it is nearly frictionless.

• It took seven trials of the experiment for the researcher to gather enough data.

• We now know that the Earth is round, not flat

Kassandra says everything is composed of combinations of four elements: pizza; cereal; soda; and chocolate. Which argument best refutes her statement?

• Some people do not like pizza, so it cannot be an element.

• Some foods are spicy and none of these elements are.

• There is not enough pizza in the world to make up one-fourth of the Earth.

• Pizza may be broken down into simpler substances such as bread, sauce, and cheese.

• The Great Lakes are not made of soda.

Which of the following is NOT a correct statement about the communication and storage of analog and digital information?

• Digital information is easily sent through optical fibers.

• Analog information is stored as bits containing 0s and 1s.

• Analog information degrades with each subsequent copy.

• Digital information is transferred without information loss.

• Digital information can be stored reliably in computer memory

Which is the best description of how physics and biology are different?

• Physics uses the scientific method, whereas biology does not.

• Physics is mathematically based, whereas biology is observationally based.

• Physics is a quantitative science, whereas biology is a qualitative science.

• Physics is concerned with the fundamental properties of matter, whereas biology is concerned with the interactions among and within complex, living organisms.

• Physics deals with atoms and molecules, whereas biology does not.

Which of the following statements is true about the process of the engineering design cycle?

• The engineering design cycle differs from the scientific method because the former is not iterative.

• Prototypes should be avoided.

• Engineers who lack confidence in their designs will test their prototypes, but other engineers do not

• There is often more than one solution to an engineering problem.

• Evaluating a product against its constraints ends the design cycle.

Which of these statements is qualitative?

• His aunt is only five feet tall.

• Max's high score is 132,550

• My parents traveled to Switzerland fifteen years ago

• Carly is wearing her red dress.

• The policeman will give you a ticket if you drive faster than 50 mph down this road.