# Intro to Physics Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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#### Question 1 1. Josh is measuring the distance travelled by a car using meters per seconds. Josh is using _____ units.

#### Question 2 2. 4 kilometers = _____ millimeters.

#### Question 3 3. What's the correct way to write 0.00000487 using scientific notation?

#### Question 4 4. When a linear relationship is plotted, the points fit the line: y = mx + b, where m is the _____, and b is the _____.

#### Question 5 5. Which of the following mathematical expressions is equivalent to 1/8?

### Page 2

#### Question 6 6. Convert 65 miles per hour to km per hour.

#### Question 7 7. What is a scientific law?

#### Question 8 8. The branch of physics known as Mechanics deals with what?

#### Question 9 9. Physics-wise, what was significant about the 16th and 17th centuries?

#### Question 10 10. Which of the following are arranged from smallest unit to largest unit?

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#### Question 11 11. What is the mass of a liquid with a density of 2.12 g/mL and a volume of 53.0 mL (to the nearest gram)?

#### Question 12 12. Which of the following is the closest to a mass of 500 mL of water?

#### Question 13 13. What is SI units shorthand for?

#### Question 14 14. What is the point of having units in the sciences?

#### Question 15 15. Which of the following is an example of a unit?

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#### Question 16 16. When graphing a linear relationship, what do the data points form?

#### Question 17 17. Say you create 4 graphs of distance vs. time for 4 different cars in a race. Which of the graphs shows the car with the highest overall velocity?

#### Question 18 18. Which of the following situations does NOT meet the requirements for a direct relationship?

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Question 19
19.
What do we get when we use the distributive law on the following: *a * (b + 5)*

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Question 20
20.
Using the power rule for exponents what does *(x^2)^5* simplify to?

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Question 21
21.
What do we get when we multiply the following two polynomials together: *(a - 2)(b + 7)*

#### Question 22 22. How is the number 24,507 written in correct scientific notation?

#### Question 23 23. How many significant digits are in the number 180,750?

#### Question 24 24. Convert 0.8057 kilometers to meters.

#### Question 25 25. What is the value of (8 x 10^-2) x (2 x 10^5)? Express your answer using scientific notation

### Page 6

#### Question 26 26. What is the value of (2 x 10^6) + (3 x 10^7)?

#### Question 27 27. The Great Wall of China is approximately 21,000 kilometers long. Assuming that one average step is approximately 100 cm (0.001 kilometers) long, how many steps would it take to walk the entire length of the Great Wall?

#### Question 28 28. Which of the following is a conversion factor?

#### Question 29 29. Use dimensional analysis to convert 4 days into seconds.

#### Question 30 30. If you are driving at a speed of 55.0 miles per hour, then what is your speed in meters per second? (Hint: 1 mile = 1,600 meters.)

#### Intro to Physics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!