PE, KE and Speed

What is the equation to calculate speed?

• speed = distance/time
• speed = time/distance
• speed = time x distance 
• speed = speed/time 

Tags

CCSS.6.EE.B.7

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Tags

CCSS.6.RP.A.3B

Total distance divided by total time is

• average speed
• constant speed
• instantaneous speed
• acceleration

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Tags

CCSS.8.EE.B.5

What is the person doing from 5 seconds to 10 seconds?

• Walking 
• Running
• Standing Still 
• Walking Fast

Tags

CCSS.HSF.IF.B.4

What two measurements are necessary for calculating speed?

• Mass and time
• Temperature and mass
• Mass and distance
• Distance and time

Tags

CCSS.8.EE.C.7B

What is the MAIN function of simple machines like inclined planes and pulleys?

• They slow down movement—making our work easier.

• They make it easier to do the same amount of work.

• They decrease the amount of work needed to be done by increasing force.

• They eliminate work completely by providing an object to help do a job.

What is kinetic energy?

• When an object is in motion
• When an object is not in motion
• all of the above
• none of the above

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is potential energy?

• When an object is in motion
• When an object is not in motion
• all of the above
• none of the above

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5