A simple, small toy car can be used to clarify these concepts. In addition, use real-life examples before using mechanical examples.
Speed
Show the toy car entertaining across a table. Ask what speed is.
Give the formula that speed is length divided by time. Let the pupil make up examples of speed based on trips they have taken in the car.
The formula is Rate = Distance/Time. Use the formula on the examples they made up.
Velocity
Velocity is speed in a given direction.
Show your toy car entertaining in one direction. Then you turn the car around and head back in the opposite direction towards where you started. The speed may be the same. But the velocity is different.
How would you part velocity? The total length from the starting point to the ending point divided by the time elapsed. It is not the same as the total length the object moved.
In an additional one example, show the car entertaining in one direction, then have it turn at an angle and keep moving. The ending length from the point started to the point ended would be dissimilar than the total length traveled.
Velocity is stated as a length in a given direction using the compass.
Acceleration
Students are regularly customary with the view of acceleration, or speeding up. It is defined as the turn in speed over time.
In physics, meters per second per second is most ordinarily used. Again, the straightforward toy car can precisely clarify this.
Many cars are about 5 meters long, so let the pupil create a paper scale where the length of your toy car is 5 meters. Make a scale the length of at least six cars.
In one second your car accelerates from standing still to five meters per second. The next second the car is entertaining ten meters per second. Then the car is entertaining fifteen meters per second. What is the rate of acceleration?
The straightforward formula is turn in Speed divided by Time. Since the car moved 15 meters in 3 seconds, it is accelerating at a rate of 5 meters per second per second.
Let the pupil make up added examples of their own. Then use the formula to solve their own examples.
Hands-on examples make science concepts easier to learn.
Homeschool Science - Teach Speed, Velocity, and Acceleration
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