Vocabulary
Matter
Energy
Miscellaneous
More Questions
100
The ability to do work.
Energy
100
Everything is made up of this "stuff".
Matter
100
These types of waves do not need a medium to travel through and can travel through empty space (a vacuum).
Electromagnetic (EM) Waves
100
T or F: Whenever you detect motion, heat, light, or sound, you can be sure that energy is at work.
True!
100
What color in visible light has the longest wavelength (lowest energy)?
Red
200
The measurement which energy is measured
Joules
200
All matter (the "stuff" that all things are made of) is made up of _______ and _________.
Atoms and molecules
200
Units of measurement for sound
Decibels
200
T or F: The following types of energy need a medium to travel - light and sound.
False!
Only sound needs a medium to travel.
Light can travel in a vacuum.
200
What color in visible light has the shortest wavelength and most energy?
Violet
(My friend Roy G. Biv)
300
The number of wave cycles that pass within a given second
Frequency
300
All matter has two properties. What are they?
Has volume (takes up space) and has mass (contains material).
300
If a beam of light strikes a mirror at a 45-degree angle, what will the angle be of the reflection?
45 degrees
300
Energy cannot be destroyed, it can only be _________.
Transferred or converted
300
When light passes directly through matter it is called ________________.
A. reflection
B. transmission
C. absorption
Transmission
400
A space entirely void of matter
Vacuum
400
What is the measurement of matter?
Mass
400
How can I increase the potential energy of an object?
Increase the height.
400
All MECHANICAL energy can be classified into two main groups: __________ and __________
Potential and Kinetic
400
Like light, sound travels at different speeds through different materials. In general, sound travels faster through ___________ than through ________, and faster through _________ than _________.
Like light, sound travels at different speeds through different materials. In general, sound travels faster through solids than through liquids, and faster through liquids than gases.
500
When one type of energy is changed into another it is called __________.
EX: potential gravitational energy is _______ into kinetic gravitational energy when a ball sitting at the top of the hill is pushed down the hill.
Converted
500
What are the 3 states of matter?
Liquid, solid, and gas.
(which are also the three mediums that mechanical energy need to transfer energy)
500
Slinky observation: Which type of wave was being created by the slinky? Transverse or Longitudinal
Longitudinal
500
This type of energy needs a medium to travel through.
Mechanical energy
500
Light waves travel in a straight line except when light travels from one medium to another. In this case, light can change directions slightly. For example, a spoon in a glass of water. What is this phenomenon called?
Refraction
600
Sound waves are made up of chains of vibrating __________.
Molecules
600
What do we call the matter that is disturbed or moved by energy?
Medium
EX: Sound energy needs a medium by which to travel. Molecules bumping against molecules.
600
Which of the following are NOT transverse waves?
a) Sound waves
b) Light waves
c) Radio waves
Sound waves
600
How can I increase the kinetic energy of an object?
Increase the speed or the mass of the object.
600
What are the 7 types of energy?
Thermal Chemical
Light Electrical
Sound Mechanical
Nuclear