Speed and Motion PS.7.1 #4

How do you detect motion?

• observe the object moving

• observe the object in relation to a moving object

• observe the object in relation to another object that appears to be stationary

• observe the object while it is not moving

What is motion?

• when an object changes position over time

• when an object stays in the same place

Tags

NGSS.MS-PS2-2

What is a reference point?

• the object that appears to be moving

• the object that appears to be running in the opposite direction

• the object that appears to not be moving

What is the most common reference point?

• tree

• sky

• house

• Earth's surface

Tags

NGSS.MS-ESS3-4

What is speed?

• rate at which we distance

• rate at which we move

• the flash

• lightning mcqueen

Tags

NGSS.MS-PS3-1

How do we calculate speed?

• time divided by distance

• distance times time

• tme times distance

• distance divided by time

Tags

NGSS.MS-PS3-1

True or false: All objects travel at a constant speed.

• True

• Falst

Tags

NGSS.MS-PS3-1

What is velocity?

• speed

• time

• speed in a given direction

• time in a given direction

Can velocity change if speed does not change?

• yes

• no

When do you add velocities?

• When they are going in opposite directions

• when they are going in the same direction

• when they are sitting still

• you cannot add velocities