Speed
How is speed determined?
Distance traveled per unit of time
What is calculated as the distance traveled per unit of time?
Speed
Which statement gives enough information to determine the speed of the object?
A plane was in the air for 6 hours and went higher than 25,000 feet.
A horse ran around the 2 kilometer racetrack in 2 minutes.
A horse ran around the 2 kilometer racetrack in 2 minutes.
Jewel was paddling a rubber raft in the pool. Pat swam in back of the raft and began pushing it. What was the effect on the raft's motion? The raft increased in speed or decreased and slowed down?
It increased in speed.
Will the speed increase or decrease?
A sailboat gets pushed from behind by a gust of wind.
The speed will increase.
What is the formula used to determine speed?
Arla is going down the slide. Her mother gives her a great BIG push. How does the push affect her motion down the slide? Does it increase her speed or decrease her speed?
The push increases her speed.
Will the speed increase or decrease?
A ball rolls into a wall.
The speed will decrease.
Will the speed increase or decrease?
A man pulls on the leash of a dog, as the dog tries to run away.
The speed will decrease.
Douglas is sliding down the hill on a piece of cardboard. His sister pushes him from behind. What effect does this have on his motion? Will he speed up, slow down, stop completely, or stay the same speed?
Douglas will speed up.
People use words like "faster" and "slower" to compare the _______ of moving objects.
motion. energy. speed.
speed
Will the speed increase or decrease?
A pitcher throws a baseball.
A soccer ball gets kicked.
The speed will increase for both.
While ice skating, Lakeisha is pushed from behind by her friend Jamal. What is the effect on her motion? Does the push cause her to stop, decrease speed, increase speed, or it doesn't change her motion at all?
It increases her speed.
At a bowling alley, a bowler tries to roll the ball at a fast speed. If she succeeds, she can predict that the ball will?
Travel in a straighter path, knock down more pins, reach the pins in a less time?
reach the pins in a less time
Which statement gives enough information to determine the speed of the object?
A car was able to travel 200 miles in 4 hours.
A boat traveled 4 miles across the lake when the temperature was 55 degrees.
A car was able to travel 200 miles in 4 hours.
Three swimmers race the length of a pool, and then back again. If Ted finishes third with a time of 1 minute and 40 seconds what could be the time of the winning racer? 1 minute 33 seconds, 1 minute 40 seconds, 1 minute 45 seconds, 2 minutes 15 seconds?
1 minute 33 seconds
Choose the sentence that will help determine the speed of Susan's car.
While walking across the street, Barb slipped on a wet puddle. Before she had the time to stand, she noticed her mother's friend Susan driving at a fast speed past her. Susan's car was traveling at 56 miles per hour past Barb.
Susan's car was traveling at 56 miles per hour past Barb.
Which sentences gives enough information to determine Jacob's speed?
Jack rode his bike into town to grab some juice for his baby brother. He rode a total of two miles in 30 minutes. Entering the store, he realized he forgot his wallet.. and had to get back on his bike and go home.
He rode a total of two miles in 30 minutes.
Jose drove to his sister's house to visit his niece. It took him 4500 miles in 30 hours to get to Tennessee from his house. What was the speed of his car?
150 miles per hour
Which sentences gives enough information to determine Mark's speed?
When school ended, Mark rode home on his skateboard. He increased his speed as he went down a hill. It took Mark 15 minutes to get home, because he lives only one mile from his school. He arrived home as his mother was pulling in the driveway.
It took Mark 15 minutes to get home, because he lives only one mile from his school.
Speed is known as the ________ that an object moves divided by the _____ that it moves.
Distance; time
Objects that are traveling ________ will go a _______ distance compared to those that are not.
faster; a farther
Bill grew crops in his backyard for his children. This morning he woke up and remembered he didn't have any fertilizer. He drove 5 kilometers/hour to get to his desired destination of 345 kilometers to buy fertilizer. Find how long it took him to get there.
69 hours
A snail and a cat are in a race. The cat always travels faster than the snail. If both animals leave the starting line at the same time, which races will the cat always win?
Only races across long distances? Only races across short distances? races of any length? None of the races
Races of any length
Sentence starter: The faster the _____ of an object, the less amount of _____ it takes to travel a set distance.
The faster the SPEED of an object, the less amount of TIME it takes to travel a set distance.