Grade 3 Motion

Which of the following is the closest match to the definition of motion?

• An objects change in position relative to a reference point
• The change in position of an object
• Constant speed

which describes how fast something is moving?

• force
• speed
• position
• slide

Tags

NGSS.MS-PS3-1

How fast an object moves over a certain distance

• speed
• position

Tags

NGSS.MS-PS3-1

The length between two places

• distance
• speed

An object is _____ if its position changes.

• in motion

• at reset

• a frame of reference

• magical

Tags

NGSS.MS-PS2-2

What is a reference point?

• A place or object that is staying still, that is used to determine if something else is moving.

• A place or spot where something is located

• The action of moving or being moved

• Shortest distance between starting position and ending position

In order to determine an object’s location, you need a _____.

• time

• displacement

• speed

• reference point

You need Distance, a reference point, and a reference direction to determine the position of an object

• True

• False

You should NOT use a moving object as a reference point

• True

• False

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

Tags

NGSS.MS-PS3-1