Sound energy can be described as a ____________ or a wave that can be heard.
a. photon
b. vibration
c. wavelength
b. vibration
A car in motion has _____________ energy.
kinetic
Sound energy is the only energy that travels in waves. True or False?
False.
To calculate speed you have to use distance divided by _________.
time
Work is a force that causes an object to _________.
move
Potential energy is energy that is ____________.
stored
True or False? The measure of amplitude is from crest to crest or trough to trough.
False
The variable that changed in our ramp experiments was the ___________ of the inclined plane.
height
A _______________ object allows light energy to pass through it. An example would be glass.
a. translucent
b. opaque
c. transparent
c. transparent
I can feel the heat energy from the sun because of ______________
a. radiation
b. conduction
c. convection
a. radiation
If you increase the frequency of a wave, you _______ the wavelength.
a. increase
b. decrease
c. destroy
b. decrease
The height of the ramp affected 2 things:
What were they?
1. distance of the car
2. speed of the car
All have potential energy
False
Sound waves can move objects. True or False?
True.
Data in our experiments could have been affected by
which of the following?
a. car error
b. human error
c. poor sound quality in the room
d. both a and b
d. both a and b
What is Physics?
The Science of ____________ and __________
and how it interacts with ___________ and ____________.
matter and motion
energy and forces
Name 3 types of energy that occurred in our car ramp experiments.
potential
kinetic
gravitational
(sound)
(heat caused by friction)
The middle of a wave is called the ______________ ___________.
equilibrium point
A car travels 150 cm and has a time of 2 seconds.
What is the car's speed in cm per second.
speed= 75 cm per seconds