# Module 1: Chapter 1: The Nature of Science Assignment

**Opened:**Friday, October 27, 2023, 12:17 AM

##### Chapter 1: The Nature of Science Assignment (worth 10 points maximum)

**This assignment aligns with the following Module 1: Chapter 1: Nature of Science objectives:**

- List and Use the steps of the Scientific Method(CLO2)(CLO4)
- Recognize the SI Base Units and Prefixes (CL02) (CL05)
- Estimate Physical Parameters (CLO2)(CLO3(CLO5)
- Solve simple problems using derived quantities (CLO2)(CLO5)
- Recognize and use SI Base Units and Prefixes (CLO2)(CLO5)
- Convert from one unit system to another. (CLO2)(CLO5)
- Use dimensional analysis to check the consistency of your work. (CLO5)

**Part A – Nature of Science**

Use the scientific method to investigate a simple problem/question of your choice. The steps are listed in the lecture notes. (i.e. Are there more blue m&m’s in a pack than red?).

**Part B – SI Units**

For each of the following commonly used measurements, indicate its symbol. Use the symbols to complete the following sentences with the most appropriate unit. Units may be used more than once or not at all.

** **

_____ milliliter

_____ kilogram

_____ meter

_____ milligram

_____ millimeter

_____ millisecond

_____ liter

_____ kilometer

_____ microgram

_____ centimeter

_____ gram

_____ second

Colas may be purchased in two or three _____ bottles.

The mass of a bowling ball is 7.25 _____.

The length of the common housefly is about 1 _____.

The mass of a paperclip is about 1 _____.

One teaspoon of cough syrup has a volume of 5 _____.

Stand with your arms raised out to your side. The distance from your nose to your outstretched fingers is about 1 _____.

On a statistical basis, smoking a single cigarette lowers your life expectancy by 642,000 _____ or 10.7 minutes.

** **

**Part C – Density (You must show all work)**

**Part C – Density (You must show all work)**

Calculate the density of a substance with a mass of 35.0 g and a volume of 25.0 cm3.

A small gold nugget has a volume of 0.87 cm^{3}. What is its mass if the density of gold is 19.3 g/cm^{3}?

What volume is occupied by 35.2 g of carbon tetrachloride if its density is 1.60 g/mL?

**Part D- Unit Conversions (You must show all work)**

Solve the following problems.

1. A common U.S. Interstate highway speed between cities is 75 miles per hour (mph). What is this speed in km/hr or kph?

2. What is 60 mph in m/s?

3. A common foot race is a 10k run or 10 km. How far is this in miles?

4. How many square meters are in 75,000 square centimeters?

5. Convert 130ps to nanoseconds.

6. What is the distance to the sun in miles?

7. Male Siberian tigers are big cats which can weigh about 660 lbs. How much do these tigers weigh in kilograms?

8. Male giant pandas can weigh up to 150 kgs. What do these pandas weigh in lbs?

9. Many modern V-8 engines are labeled as either 4.5 L or 5.0 L engines. How many cubic inches is a 5.0 L engine?

10. A six-foot-tall person is 72 inches tall. How many centimeters tall is a six-foot person?

*Please type your responses in a document. Save the document as a word, pdf, or g-doc and upload it using the file upload below.*