Flashcard - Motion

Front

The instrument used to find direction is called _____________.

Back

compass

Front

How do you calculate distance?

Back

Speed multiplied by time.

Front

This variable in an experiment is the one being changed by the scientist.

Back

independent variable

Front

Wind pushes a toy sailboat across a pond. What is changing?

Back

the boat’s position

Front

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

Back

7 km

Front

What is the definition of motion?

Back

Motion is the change in position of an object over time.

Front

What is speed?

Back

Speed is the distance traveled per unit of time.

Front

What is the difference between distance and displacement?

Back

Distance is the total path length traveled, while displacement is the shortest path from the initial to the final position.

Front

What is a dependent variable?

Back

The dependent variable is the one being measured in an experiment.

Front

What does a compass measure?

Back

A compass measures the direction of magnetic north.