Sound
True or False:
Sound is produced when particles of an object vibrates
True
True or False
Energy is either added or removed from a substance
True
True or False
Energy can be created and destroyed
False
It is a push or pull
A. Force
B. Motion
A. Force
What is the average energy of the molecular motion?
A. Work
B. Temperature
B. Temperature
When vibrations are slow, a ______ is generated
a. low note
b. high note
a. low note
When the movement of particles speeds up,
there is ________ in the space between them
A. an increase
B. a decrease
A. an increase
This is the stored energy of a non-moving object.
A. Potential Energy
B. Kinetic Energy
A. Potential Energy
Name the two types of forces
Balanced and Unbalanced forces
Energy in motion is also known as ________
Kinetic Energy
Prolonged exposure to loud sounds is
the most common cause of _________
Tinnitus
Heat flow from ________
A. Cool to Hot
B. Hot to Cool
B. Hot to Cool
Give 3 examples of energy
Potential
Kinetic
Electrical
Chemical
Nuclear
Mechanical
Heat Or Thermal Energy
Light energy
True or False:
Force cannot make objects move
False
If a gas is cooled, its particles will eventually stop moving about so fast and form a liquid. What is this change of state of matter?
CONDENSATION –gas to liquid
List the 3 Types of sounds
Intensity
Pitch
Tone
Give an example of sublimation
DryIce-
Mothballs-
The greater the mass and/or height or distance from the ground, the ___ the potential energy
greater
Define Net Force
It is when two or more forces are combined
What law of motion states that "For every action, there is an equal and opposit reaction" ?
Law of conservation of momentum