Physical Science Final Exam /1

Jack has a rock. The 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

Which units of measurement are used for volume?

• grams
• centimeters
• grams/milliliter
• milliliter

What is the formula for density?

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

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

• 13.3 g
• 13.3 cm³
• .075 g
• 1695 cm³

Which of the following has kinetic energy?

• a rock poised for a fall

• an archer's bow that is drawn back

• a rolling bowling ball

• A spring that has been compressed

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

How much work is being done with 200 N of force to the right on object that moves 426 meters to the right? (assume the force and displacement are in the same direction)

• 85,200 J

• 45,620 J

• 90,480 J

• 62,329 J

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS3-2

What is the formula for calculating the total amount of mechanical energy?

• ME = KE + PE

• KE = ME + PE

• PE = mgh

• ME = 1/2 mv²

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

A push or a pull on an object

• Force

• Gravity

• Inertia

• Friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of Newton's Laws describes the relationships between Force, mass and acceleration.

• 1st

• 2nd

• 3rd

Tags

NGSS.MS-PS2-2