Definitions
What is speed?
What is the distance an object travels in a certain amount of time?
If a bike travels 30 miles in 2 hours, what is its speed?
What is 15 mph?
Which is faster: a bicycle going 10 mph or a car going 20 mph?
a car?
A car drives at 40 miles per hour. How far will it travel in 1 hour?
40 miles.
A train travels 120 miles in 2 hours. What is its speed?
What is 60 mph?
A tortoise moves at 0.5 mph. Is this faster or slower than a person walking at 3 mph?
slower
How does understanding speed help engineers design safer vehicles?
What is by calculating stopping distances and reaction times?
What do we call the unit of speed that measures miles per hour?
What is mph
If a boat moves at a speed of 15 miles per hour and you are on it for 1 hour, how far do you travel?
15 miles.
Compare the speed of sound (about 767 mph) and the speed of a cheetah (about 70 mph). Which is faster?
the speed of sound?
Why is it important for athletes to know their speed?
to improve performance and train effectively?
If a runner covers 100 meters in 10 seconds, how do you calculate their speed?
What is distance divided by time?
A cheetah runs at 60 miles per hour. How much faster is it than a person who runs at 10 miles per hour?
50 miles per hour faster.
If a jet travels at 600 mph and a train at 60 mph, how many times faster is the jet?
10 times faster?
In what situation might knowing the speed of an object be critical for safety?
when crossing a road or in emergency response?