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physics test chapter 1 & 2
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Naomi conducts an experiment to find the density of an ice cube. Which might be a source of uncertainty in her measurement?
Her lab partner is absent.
More than one of these can contribute to uncertainty in her experiment.
She accidentally drops the ice cube on the floor.
The air conditioner in the lab is broken, so the ice cube melts slightly between her first and second trials.
She does not know where the ice cube came from.
Which pair of topics below are the most closely related?
Vectors and Optics
None of these are closely related to each other.
Quantum Physics and Sound Waves
Mechanics and Chemistry
Magnetism and Electricity
Which of the following statements is true about the process of the engineering design cycle?
Evaluating a product against its constraints ends the design cycle.
Prototypes should be avoided.
Engineers who lack confidence in their designs will test their prototypes, but other engineers do not.
The engineering design cycle differs from the scientific method because the former is not iterative.
There is often more than one solution to an engineering problem.
If you were conducting a physics experiment using a small laser, which of these safety concerns should be your top priority?
latex gloves for skin protection
restraint for moveable heavy objects
eye wash availability
proper chemical disposal
Davis is trying to determine the average acceleration of his bike. He does this by dividing the change in speed 10 m/s, by the time it took, 13.77 s. Which of the following answers shows the correct number of significant figures in his answer?
which action best illustrates a direct application of physics in a career?
A broadway performer sings in a musical in New York City.
A business person manages a company's interactions with other companies.
A chef uses a variety of spices to cook steak.
A teacher gives lessons about the analysis of English literature.
An eye doctor compares the sharpness of vision for different eyeglass prescriptions.
Varian conducts an experiment and concludes that Earth's gravity acts upward during his experiment. What is the scientific way to analyze his explanation?
Tell him that the teacher says the opposite.
Show him the page in physics a textbook that says that gravity acts downward.
Drop a book to demonstrate that gravity pulls the book downward.
Attempt to repeat his experiment to see if you obtain the same results.
Turn away and ignore him.
In an investigation, a student collected data of the volume of a liquid at various times as it gradually evaporated. Which would be the best kind of graph or chart to present the data?
ticker tape chart
Allie takes 105.63 minutes to swim 2.4 miles, 352 minutes to bike 112 miles, and 653.2 minutes to run 26.2 miles. Which shows her total time with the correct number of significant digits?
Which is the most scientific way to refute a statement that the surface of Lake X is round?
Conduct an experiment that provides evidence about the shape of the lake's surface.
Take the person to the lake and point out that it must be flat.
Tell the person that water cannot have a round shape.
Argue louder than the person who made the statement.
Dismiss the person who said it as being uniformed.
What is the role of a prototype in the engineering design process?
He or she is the engineer who carries out the process.
It serves as a model that is used to test how well the design works.
It is the design concept that consumes the least energy.
It is the subsystem that is a part of a more complicated system.
It is the report that documents the conclusions of the testing.
How many seconds are there in exactly 7 hours and 35 minutes?
Which is the best description of how physics and biology are different?
Physics uses the scientific method, whereas biology does not.
Physics deals with energy and matter, whereas biology does not.
Physics deals with atoms and molecules, whereas biology does not.
Physics is concerned with the fundamental properties of matter, whereas biology is concerned with the interactions among and within complex, living organisms.
Physics is a quantitative science, whereas biology is a qualitative science.
Which of these statements is qualitative?
My piano teacher's cat weighs 8.5 lbs.
Carly is wearing her red dress.
My parents traveled to Switzerland fifteen years ago.
Max's high score is 132,550.
Tomorrow is her little brother's third birthday!
What is exchanged every time that something gets hotter, colder, faster, or slower?
Which of these is a derived quantity?
What is the volume of a cube measuring 2.0 m on each side?
What is an action that ca make things move, change direction, or stop?
What is the smallest particle of an element, such as aluminum, that you can have?
Which of these statements is quantitative?
It is very humid outside today.
The math involved in this theory is very difficult.
The ice is so smooth that it is nearly frictionless.
The kinetic energy of an object decreases when it moves slower.
It took seven trials of the experiment for the researcher to gather enough data.
which of the following is the best example of scientific evidence?
instructions by a judge to a jury as to what information they may use when considering a case.
the verdict of the jury in civil trial.
a defendant's plea of "not guilty"
the results of a trial described in an online encyclopedia.
testimony of police officer, including the recovery and identification of fingerprints.
Which of the following equations is mathematically equivalent to F=qE?
The branch of science in which you learn about the structure of matter and how matter changes from one form to another is called
Which of following best shows 0.00331 kg in scientific notation using the correct number of significant digit?
The statement, "The Moon is made of Swiss cheese," would best be described within the scientific method as a(n)
One lunar cycle is 30 days. Today Morris is 63 years old. About how many complete lunar cycles has Morris been alive for?
Sally makes a pendulum using a 10 cm long string attached to a 6 g ball. She measures the time it takes for one back-and-forth swinging motion and repeats the experiment with several different lengths of string. Which of the following is the dependent variable in her experiment?
length of the string
time for on swinging motion
mass of the pendulum ball
temperature of the pendulum
distance the pendulum swings
You are measuring the speed at which a marble rolls down an inclined plane. Which set of measurements is the most precise and most accurate if the actual speed is 4 m/s?
5.0 m/s, 5.5 m/s, 3.2 m/s, 3.0 m/s
4.10 m/s, 4.15 m/s, 4.00 m/s, 3.90 m/s
6.10 m/s, 6.15 m/s, 5.92 m/s, 5.90 m/s
11 m/s, 13 m/s, 3.4 m/s, 2.0 m/s
3.10 m/s, 3.15 m/s, 2.92 m/s, 2.90 m/s
What is the volume of a sphere with a radius of 18 meters?
5800 pie m^3
1900 pie m^3
4400 pie m^3
430 pie m^3
7800 pie m^3
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