physics test chapter 1 & 2

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1.
1 point
Naomi conducts an experiment to find the density of an ice cube. Which might be a source of uncertainty in her measurement?
2.
1 point
Which pair of topics below are the most closely related?
3.
1 point
Which of the following statements is true about the process of the engineering design cycle?
4.
1 point
If you were conducting a physics experiment using a small laser, which of these safety concerns should be your top priority?
5.
1 point
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?
6.
1 point
which action best illustrates a direct application of physics in a career?
7.
1 point
Varian conducts an experiment and concludes that Earth's gravity acts upward during his experiment. What is the scientific way to analyze his explanation?
8.
1 point
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?
9.
1 point
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?
10.
1 point
Which is the most scientific way to refute a statement that the surface of Lake X is round?
11.
1 point
What is the role of a prototype in the engineering design process?
12.
1 point
How many seconds are there in exactly 7 hours and 35 minutes?
13.
1 point
Which is the best description of how physics and biology are different?
14.
1 point
Which of these statements is qualitative?
15.
1 point
What is exchanged every time that something gets hotter, colder, faster, or slower?
16.
1 point
Which of these is a derived quantity?
17.
1 point
What is the volume of a cube measuring 2.0 m on each side?
18.
1 point
What is an action that ca make things move, change direction, or stop?
19.
1 point
What is the smallest particle of an element, such as aluminum, that you can have?
20.
1 point
Which of these statements is quantitative?
21.
1 point
which of the following is the best example of scientific evidence?
22.
1 point
Which of the following equations is mathematically equivalent to F=qE?
23.
1 point
The branch of science in which you learn about the structure of matter and how matter changes from one form to another is called
24.
1 point
Which of following best shows 0.00331 kg in scientific notation using the correct number of significant digit?
25.
1 point
The statement, "The Moon is made of Swiss cheese," would best be described within the scientific method as a(n)
26.
1 point
One lunar cycle is 30 days. Today Morris is 63 years old. About how many complete lunar cycles has Morris been alive for?
27.
1 point
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?
28.
1 point
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?
29.
1 point
What is the volume of a sphere with a radius of 18 meters?