Dimensional Analysis and Conversion Techniques

What is the main purpose of dimensional analysis?

• To measure the dimensions of an object

• To calculate the area of a shape

• To change the unit of a quantity without changing its value

• To change the value of a quantity

Which of the following best describes a conversion factor?

• A way to calculate the area of a shape

• A tool to measure dimensions

• A method to change the value of a quantity

• A fraction or ratio that equals the same quantity in different units

What is the mnemonic used to remember metric unit conversions?

• Never Eat Soggy Waffles

• Please Excuse My Dear Aunt Sally

• Every Good Boy Deserves Fudge

• King Henry died by drinking chocolate milk

In the mnemonic 'King Henry died by drinking chocolate milk', what does 'K' stand for?

• Kilo

• Kilo

• Kilo

• Kilo

How many milliliters are in 1.5 liters?

• 150 milliliters

• 1500 milliliters

• 15 milliliters

• 15000 milliliters

What is the first step in solving a conversion problem?

• Write the equivalency statement

• Make a skeleton

• Multiply across the top

• Place the given unit on the bottom

When performing multiple step conversions, what is the first unit you should convert to?

• The smallest unit

• The largest unit

• The base unit

• The given unit

How many significant figures should the final answer have if the original problem has two significant figures?

• One

• Four

• Two

• Three

What is the equivalency statement for converting centimeters to meters?

• 1 meter = 100 centimeters

• 1 centimeter = 10 meters

• 1 meter = 1000 centimeters

• 1 centimeter = 100 meters

If you have 55,000 centimeters, how many kilometers is that?

• 0.55 kilometers

• 55 kilometers

• 0.055 kilometers

• 5.5 kilometers