6.4 Remediation

6.4 Density,

Cross sections and Rotation

Multiple Choice

Density is...

• the amount of mass in an object

• the amount of space an object takes up

• the amount of mass in a given space

• the weight of an object

Multiple Choice

Which box has a greater density?

• Box A

• Box B

Multiple Choice

What is the formula for density?

• density = mass x volume
• density = mass / volume
• density = mass + volume
• density = mass - volume

Multiple Choice

What can you use this to find?

• density

• density and volume

• density, mass and volume

• directions to DMV

Multiple Choice

A rock has a mass of 14g and a volume of 2cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

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

An eraser has a mass of 4g and a volume of 2cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

Multiple Choice

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm³?

• 13.27 cm³

• 1695 cm³

• .075 cm³

• 161.3 cm³

Multiple Choice

The density of this material is 2 g/cm³.

The volume is 24 cm³

Find the total mass.

• 48 gms

• 64 gms

• 12 gms

• 36 gms

Multiple Choice

Which definition best matches the term population density?

• human beings in general

• number of people in a particular area

• A measurement of people for a specific area

• All the inhabitants of a particular area

Multiple Choice

There are approximately 17,620 people per square mile in New York City. If New York City is 468 square miles, approximately how many people live in New York City?

• 17,620

• 8,246,160

• 37

• .027

Multiple Choice

There are approximately 690 grizzly bears Yellowstone national park giving them a density of about .1987 grizzlies per square mile. What is the area of the park?

• 731 sq miles

• 137 sq miles

• 3473 sq miles

• 4337 sq miles

Multiple Choice

Describe the cross section.

• triangle

• rectangle

• trapezoid

• square

Multiple Choice

What shape will the vertical cross -section of a cylinder be?

• Circle

• Triangle

• Rectangle

• Ellipse

Multiple Choice

What shape will the horizontal cross-section of a cone be?

• Dome

• Circle

• Pyramid

• Triangle

Multiple Choice

What shape does this cross section make?

• circle

• Trapezoid

• Rectangle

• Parallelogram

Multiple Choice

What will you get if you rotate the triangle on the dotted line

• cone
• sphere
• cylinder
• triangular prism

Multiple Choice

• sphere

• cylinder

• cone

• rectangular prism

Multiple Choice

• sphere

• cylinder

• cone

• rectangular prism