Force, Motion, and Energy GMAS Review

Wind pushes a toy sailboat across a pond. The boat moves in a straight path. What is changing?

• the boat’s direction
• the boat’s path
• the wind’s direction
• the boat’s position

The position of a runner in a race changes as time passes. What could a reference point to describe the change in position? 

• the starting line
• the runner’s speed
• the runner’s right foot
• another runner

Motion is measured as _____

• rate.

• velocity

• feet

• mph

Tags

NGSS.MS-PS3-1

When an object’s distance from another object is changing,

• it is in motion.

• it is speeding.

• it has a high velocity.

• it is accelerating.

Reference point can also be described as what?

• An ending point

• A starting point

• A description

• A location

David walks 3 km north, and then turns east and walks 4 km. What is the distance?

• 7 km

• 3 km

• 4 km

• 1 km

Which of the following dot diagrams shows an object that is accelerating

• A

• B

• Neither object is accelerating

• You can not tell from the dot diagram

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

_______ is the length of the path between two points.

• distance

• reference

• statistic

• law

Choose the answer that best fits: Acceleration is the...

• change of speed and/or direction over time

• change of speed over time

• change of direction over time

• increase of speed