# Scientific Measurement Principles & Calculations Chapter Exam

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### Page 1

#### Question 1 1. Which of the following is the closest to a mass of 500 mL of water?

#### Question 2 2. 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 3 3. How many mL are in 3.4 L?

#### Question 4 4. Minutes is a measurement unit for what?

#### Question 5 5. Which of the following is the metric unit for mass?

### Page 2

#### Question 6 6. Yards is a measurement unit for what?

#### Question 7 7. Two rectangles are similar. The scale factor from the first rectangle to the second is 2: 3. If the perimeter of the first rectangle is 12 inches, what is the perimeter of the second rectangle?

#### Question 8 8. A blueprint for a machined part is drawn to 1:50 scale. If the measure of a dimension on the original part is 120 cm, what is the measure on the blueprint?

#### Question 9 9. A model car is made to a 1:25 scale. A window on the model is .5 cm in width. How many cm wide is the window on the actual car?

#### Question 10 10. Which of the following rectangles represents a scale factor of 3 from the rectangle pictured below?

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#### Question 11 11. What is the scale factor from the smaller rectangle to the larger rectangle pictured below?

#### Question 12 12. If we apply a scale factor of 4 to the triangular prism below, what will the volume of the new prism be?

#### Question 13 13. If ΔABC is similar to ΔDEF, which of the following statements is true?

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Question 14
14.
Suppose a construction crew is trying to build a bridge across a lake. They are trying to figure out how long the bridge will be, and they were able to take the measurements shown, where *x* is the length of the bridge they want to build. ΔADF is similar to ΔBCE. Use this information to find the length the bridge will be.

#### Question 15 15. Which of the following statements is true?

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#### Question 16 16. What is 70 degrees Fahrenheit in Celsius?

#### Question 17 17. How many kilometers is 100 miles?

#### Question 18 18. What is 140 pounds in kilograms?

#### Question 19 19. Which of the following is written in proper scientific notation?

#### Question 20 20. Convert 1.763 x 10^2 to standard notation.

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#### Question 21 21. Convert 8.06 x 10^-1 to standard notation.

#### Question 22 22. A student measures the temperature in the room to be 72 degrees but the actual temperature is 69 degrees. What is the percent error in this measurement?

#### Question 23 23. The word that describes how close a measurement is to the true or accepted value is _____.

#### Question 24 24. In an experiment, the temperature of a solution is measured by a student to be 79 degrees, but the true value of the temperature is 85 degrees. What is the percent error in this measurement?

#### Question 25 25. Which of the following are arranged from smallest unit to largest unit?

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#### Question 26 26. Which of the following is the US measurement for volume?

#### Question 27 27. Two similar figures have a scale factor of 1:3. The smaller figure has an area of 4 square units. What is the area of the larger figure?

#### Question 28 28. If we apply a scale factor of 3 to a cube where each side is 2 inches long, what will the volume of the new cube be?

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Question 29
29.
If ΔABC and ΔDEF are similar triangles, find *x*.

#### Question 30 30. What is 50 kilograms in pounds?

#### Scientific Measurement Principles & Calculations 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!