Density and Percent Error

Bellwork

If you have your school laptops go to joinmyquiz.com and enter the code to the right.
Then turn to page 13 in your notebooks and title it "Density and Percent Error Notes"

Categorize

Options (10)

Vibrate and rotate in place

lowest kinetic energy

has definite shape and volume

flow past each other

constant volume

takes shape of its container

highest kinetic energy

mostly empty space

constant random motion

only state of matter that is compressible

Organize these options into the right categories

Solid

Liquid

Gas

​Page 13

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Density

Kayla measures the mass of a book to be 1412g. The volume of the book is 112cm³. What is the density of the book?

Multiple Choice

What is the density of a liquid that has a mass of 27g and a volume of 30ml?

• 0.9 g/ml
• 3 g/ml
• 57 g/ml
• 810 g/ml

Multiple Choice

A bar of copper has a mass of 216g and a volume of 24cm³. What is the density of copper?  

• 9g/cm3
• .11g/cm3
• 5184g/cm3
• 322mL

Multiple Choice

If a block of wood has a density of 0.6 g/cm³ and a mass of 120 g, what is its volume?

• 200 cm³
• 0.005 cm³
• 200.0 ml
• 72 ml

​Percent Error

Camden estimated they had 42 t-shirts in their closet. When the counted they found they had 50! What is Camden's percent error?

Multiple Choice

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

• 35%
• 67%
• 85%
• 92%

Multiple Choice

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%
• 18.75%
• 2.25%
• 18%

Multiple Choice

Jessie estimates the weight of her cat to be 8 pounds.  The actual weight of the cat was 10 pounds.  Find the percent error.  

• 15%
• 20%
• 25%
• 30%