Chemistry 3.3 - Solving Conversion Problems

How are two parts of a conversion factor related?

• They aren't.
• They are equivalent.
• They are non-equivalent. 

In a conversion factor, the smaller number is part of the quantity that has the ___________ unit. The larger number is part of the quantity that has the ___________ unit. 

• larger; smaller
• smaller; larger
• simple; complex
• complex; simple

True or False? The actual size of a measurement multiplied by a conversion factor remains the same, because the measurement being converted is multiplied by unity.

• True
• False

Which of the following is NOT a conversion factor that relates hours and minutes?

• 1 hr/60 min
• 60 min/1hr
• 1 min/60 hr

Tags

CCSS.4.MD.A.1

True or False? Dimensional analysis is a way to analyze and solve problems, using the units, or dimensions, of the measurements.

• True
• False

Tags

NGSS.HS-PS2-1

NGSS.HS-PS4-1

A container can hold 65 grams of water. Circle the conversion factor needed to find the mass of water that 5 identical containers can hold.

• 5 containers / 65 grams
• 1 container / 65 grams
• 65 grams / 1 container
• 65 grams / 5 containers

Converting between units is easily done using ____________.

• conversion factors
• chemistry magic
• math magic
• just plain ol' magic

Convert the following:
0.25 meters to centimeters

• 25 cm
• 0.25 cm
• 2.5 cm
• 250 cm

Convert the following:
9.8 grams to kilograms

• 0.0098 kg
• 0.98 kg
• 0.098 kg
• 9.8 kg

Convert the following: 
35 milliseconds to seconds

• 0.035 seconds
• 0.35 seconds
• 3.5 seconds
• 0.0035 seconds