Motion

Front

Wind pushes a toy sailboat across a pond. The boat moves in a straight path. What is changing? Options: the boat’s direction, the boat’s path, the wind’s direction, the boat’s position

Back

the boat’s position

Front

What could be a reference point to describe the change in position of a runner in a race? Options: the starting line, the runner’s speed, the runner’s right foot, another runner.

Back

the starting line

Front

Motion is measured as _____

Back

rate.

Front

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

Back

it is in motion.

Front

Reference point can also be described as what?

Back

A starting point

Front

Distance and direction of an object's change in position from a starting point

Back

displacement

Front

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

Back

7 km

Front

The instrument used to find direction is called _________________ (Options: directionator, compass, compactor, director).

Back

compass

Front

A series of steps used by scientists to solve a problem or answer a question.

Back

scientific method

Front

A testable explanation to a problem that has not yet been tested.

Back

hypothesis