

Investigation 1.2 speed and acceleration
Presentation
•
Science
•
7th Grade
•
Hard
Standards-aligned
Sarah Melachrinos
Used 22+ times
FREE Resource
5 Slides • 12 Questions
1
Investigation 1.2 speed and acceleration

2
Multiple Choice
The equation to find speed is:
La ecuación para encontrar velocidad es:v=ΔtΔx
x=vΔt
v=tx
3
Multiple Choice
in the equation to find speed, v represents:
en la ecuación para encontrar la velocidad, v representa:
time
Hora
speed
Velocidad
distance
distancia
acceleration
Aceleración
4
Fill in the Blank
Type answer...
5
Fill in the Blank
Type answer...
6
Multiple Choice
Look at the graph. Which track shows acceleration?
Mira el gráfico. ¿Qué pista muestra aceleración?
Track B
Track C
You can't tell
No se puede decir
7
Multiple Choice
Look at the picture. Which track was the fastest?
Mira la foto. ¿Qué pista fue la más rápida?
D
F
E
i cant tell
8
Multiple Choice
Look at the graph. What is being measured in the y axis?
Mira el gráfico. ¿Qué se está midiendo en el eje y?
time
Hora
distance
Distancia
speed
Velocidad
acceleration
Aceleración
9
Acceleration
Acceleration is a change of speed over a certain period of time. It can be expressed as an equation:
La aceleración es un cambio de velocidad durante un cierto período de tiempo. Se puede expresar como una ecuación:
10
a=ΔtΔv
the units for v (speed) is distance/ time such as m/s
las unidades para v (velocidad) es distancia/tiempo como m/s
the units for time is time, such as s
las unidades para el tiempo es el tiempo, como s
11
If a bicycle is going at a speed of 10 m/s, and then accelerates up to 15 m/s in 5 seconds. the change of speed is 5 m/s.
Si una bicicleta va a una velocidad de 10 m/s, y luego acelera hasta 15 m/s en 5 segundos. el cambio de velocidad es de 5 m/s.
12
a=ΔtΔv
Δv = 5m/s Δt =5s
so a=5s5ms
To find the units, you are dividing distance/time (m/s) by time (s). so the units are:
a= 1m/s/s or 1 m/ s2
13
Multiple Choice
A motorcycle travelling 90 mph accelerates to pass a truck. Five seconds later the motorcycle is going 120 mph. what is the change in speed?
Una motocicleta que viaja 90 mph acelera para pasar un camión. Cinco segundos después la motocicleta va 120 mph. cual es el cambio de velocidad
90mph
20mph
30mph
120mph
14
Multiple Choice
A motorcycle travelling 90 mph accelerates to pass a truck. Five seconds later the motorcycle is going 120 mph. What is the change in time?
Una motocicleta que viaja 90 mph acelera para pasar un camión. Cinco segundos después la motocicleta va 120 mph. ¿Cuál es el cambio en el tiempo?
90mph
120mph
5 seconds
30 seconds
15
Multiple Choice
a=ΔtΔv
A motorcycle travelling 90 mph accelerates to pass a truck. Five seconds later the motorcycle is going 120 mph. Calculate the acceleration.
6mph/s
10mph/s
15mph/s
20mph/s
16
Multiple Choice
What is the following measuring?
¿Cuál es la siguiente medición?
15m/h2
speed
velocidad
distance
distancia
acceleration
aceleracion
17
Poll
how comfortable are you with this lesson?
¿Qué tan cómodo estás con esta lección?
I got it!
¡Entiendo!
I still have questions, but understand most of it
Todavía tengo preguntas, pero entiendo la mayor parte
what just happened?
¿Lo que acaba de pasar?
Investigation 1.2 speed and acceleration

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