Why is it important to use units and frames of reference when sharing new discoveries?

• To make discoveries more complex

• To hide information

• To confuse people

• To make sure everyone is on the same page

Tags

NGSS.MS-PS3-4

What is the speed of the yellow truck for an observer on the side of the road?

• 0 miles per hour

• 5 miles per hour

• 40 miles per hour

• 45 miles per hour

Tags

NGSS.MS-PS3-1

If a blue car is moving at 45 miles per hour, how fast does it appear to be moving to someone in a yellow truck going 40 miles per hour?

• 85 miles per hour

• 5 miles per hour

• 40 miles per hour

• 45 miles per hour

How can we avoid confusion when communicating different velocities?

• By stating the reference frame we are using

• By ignoring the reference frame

• By using only one reference frame

• By assuming everyone knows the reference frame