6.8C StemScopes

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken. It is usually expressed in units like meters per second (m/s) or kilometers per hour (km/h).

Tags

NGSS.MS-PS3-1

Front

How do you calculate average speed?

Back

Average speed = Total Distance / Total Time.

Front

If a car travels 160 kilometers in 5 hours, what is its average speed?

Back

32 km/h (160 km ÷ 5 h).

Front

What is the average speed of a toy car that travels 240 cm in one minute?

Back

4 centimeters per second (240 cm ÷ 60 seconds).

Tags

NGSS.MS-PS3-1

Front

If an object travels 42 meters in 6 seconds, what is its average speed?

Back

7 m/s (42 m ÷ 6 s).

Front

What is the average speed for a trip of 300 miles in 5 hours?

Back

60 mph (300 miles ÷ 5 hours).

Front

What does a distance-time graph represent?

Back

A distance-time graph shows how distance changes over time, allowing you to determine speed and acceleration.

Tags

NGSS.MS-PS3-1

Front

How can you find the average speed from a distance-time graph?

Back

Calculate the slope of the line on the graph; the slope represents average speed.

Front

What is the unit of speed in the metric system?

Back

The unit of speed in the metric system is meters per second (m/s).

Tags

NGSS.MS-PS3-1

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).