Slide 1
Force & Motion
Slide 2
identifying energy transformations;
Identifying and analyzing the transfer of heat energy by conduction, convection, and radiation
interpreting a phase diagram; describing and calculating velocity and acceleration;
comparing Newton’s three laws; calculating mechanical advantage; understanding
the work of simple machines
Waves, Electricity, and Magnetism
investigating light and sound phenomena and comparing light to sound; Doppler effect; describing the causes of static electricity; constructing and analyzing
series and parallel circuits; describing the relationship between voltage, current and
resistance and relating electricity and magnetism and common applications
Slide 3
SPEED
Describes how fast an object
is moving.
Slide 4
Average Speed =
distance
time
Slide 5
The speed of an object in a certain direction.
Slide 6
Velocity
V = velocity (meters/second)
d = distance (meters)
t = time (seconds)
d
V =
t
speed of an object in a certain direction.
Slide 7
Velocity
speed of an object in a certain direction.
seconds
0
2
1
3
Slide 8
Speed=?
Velocity=?
16 meters
12 meters
20 meters
Total time=
4 seconds
A
B
Slide 9
Numerator
Denominator
5
12
Slide 10
Slide 11
Slide 12
Acceleration is how quickly velocity changes over time.
X L eh ray shun
Speed
0
2
1
3
Meters/second
Slide 13
Acceleration
how quickly velocity changes over time.
A =
(Vfinal - Vinitial)
time
_
Slide 14