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Units, Speed, Distance, Time Answer Key

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Units
#1 Convert 24 km into meters 24000 meters
#2 Convert 7 hours into minutes 420 minutes
#3 When looking at the speed of an object, what would the label m/hr stand for? meters per hour
#4 Convert 16 m/s to km/hr 57.6 km/hr
#5 Convert 55 km/s to km/hr 198,000 km/hr
Speed = distance / time
#1 If a car is traveling at 75 miles in 5 minutes, what is its speed in miles per minute? 15 miles/min
#2 If a plane travels 392,000 meters in 7,000 seconds, what is its speed in meters per seconds? 56 m/s
#3 Mrs Durso ran for 30 minutes and completed 4 miles before she tripped and fell. What was her speed before the fall in miles per minute (rounded to hundredth place)? 0.13 miles/minute
#4 A cheetah ran for 120 minutes and traveled 136 miles. What was his speed in miles per hour? 68 miles/hour
#5 Sam fell from his chair and dropped 2 feet onto the floor in 0.3 seconds. What speed did he fall in inches per second? 80 inches/second
Distance = speed x time
#1 Nick did not put away his supplies, claiming the shelf was too far. His friend put them away and it took his friend 0.6 seconds traveling at a speed of 240cm/second. How far away was the shelf? 144 centimeters
#2 Kristine can ride her bike with a constant speed of 8 miles per hour. How far can she travel in 3 hours? 24 miles
#3 Sydney can rollerblade with a constant speed of 12 km/hr. How far can she travel in 3.5 hours? 42 km
#4 An airplane flies with a constant speed of 780 miles per hour. How far can it travel in 3 hours and 30 minutes? 2730 miles
#5 A horse can go at a constant speed of 12km/hr. How many km can he travel in 285 minutes? 57 km
Time = distance / speed
#1 A car travels with a speed of 72 miles per hour. How many hours will it take to travel a distance of 216 miles? 3 hours
#2 Traveling with your family down the shore during the summer and you are stuck in traffic! The car is traveling 16 miles per hour. How many hours will it take to travel 80 miles? 5 hours
#3 Brianna chases her brother with a water gun at a speed of 2 miles per hour for a quarter of a mile. How many minutes was she chasing him? 7.5 minutes
#4 The team bus travels with a constant speed of 56 km/hr. How long will it take to travel a distance of 70 km to the game? 1 hour 15 minutes (or 1.25 hours)
#5 Manny left his STEM notebook in his locker (again). He walks at a speed of 3 miles/hour and his locker is 0.3 miles away. How long many minutes will it take him to return to class? 12 minutes
?? Mystery ??
#1 Name the steps of the scientific method in correct order. Question, Research, Hypothesis, Experiment, Results, Conclusion
#2 Which is a correct label when identifying the speed of an object: km/hr or meters or hours km/hr
#3 Name a type of engineer that works with sound machines Audio Engineer or Acoustic Engineer
#4 Name two important roles of a mechanical engineer (Mrs Durso must approve each answer)
#5 Name 6 different types of engineers that were presented in the class last week. (Mrs Durso must approve each answer)
Final Question