Types of Waves
Properties of Waves
Transfer / Transformation
Energy
Mystery
100
Which type of waves require a medium to travel through?
Mechanical
100
Where is the crest in a wave?
What is The highest point of the wave
100
Which of the following words means the movement of energy?
A) Energy Transfer
B) Energy Transformation
C) Energy Dissipation
What is A) Energy Transfer
100
What is feeling heat from the sun an example of?
What is Radiation / Thermal Energy
100
What is the law of reflection?
The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.
200
A wave in which particles are displaced in a direction parallel to the direction of energy transport
Longitudinal Wave
200
The measurement of one crest of a wave to the other is known as what?
What is Wavelength
200
The balls on a Newton's Cradle keep hitting each other until it eventually stop. Why do the balls eventually stop hitting each other.
What is The thermal and sound energy become dissipated. (answer can vary)
200
What is an energy transfer? Give a few examples.
Energy can be described as being in different ‘stores’. It cannot be created or destroyed but it can be transferred, dissipated or stored in different ways.
- mechanical work - a force moving an object through a distance
- electrical work - charges moving due to a potential difference
- heating - due to temperature difference caused electrically or by chemical reaction
- radiation - energy tranferred as a wave, eg light and infrared - light radiation and infrared radiation are emitted from the sun
200
Label the smallest and biggest wavelengths
Label the lowest and highest frequency
Label the lowest and highest energy
Label the smallest and biggest wavelengths
Radio - biggest
Gamma - Smallest
Label the lowest and highest frequency
Gamma- highest
Radio - Lowest
- Label the lowest and highest energy
Gamma - highest
Radio - Lowest
300
Which type of waves do not require a medium to travel through? And what do they travel through?
Electromagnetic Waves / Vaccum (Empty Space)
300
The lowest point of a wave.
What is Trough
300
what type of energy is stored in a Coal (What you get for Christmas)?
Chemical
300
What is an energy transformation? Give a few examples.
Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy.
300
Why does the pencil look broken in this glass?
(Good explanation of Refraction)
400
A wave in which particles are displaced in a direction perpendicular to the direction of energy transport. Give one example of this type of wave.
Transverse wave /
- ripples on the surface of water
- vibrations in a guitar string
- a wave in a sports stadium
- electromagnetic waves – eg light waves, microwaves, radio waves
- seismic S-waves
400
The amount of times the waves occur in a certain time.
Frequency
400
Electrical -> Mechanical -> Sound
1. A triple beam balance measuring an object’s mass
2. A pencil sharpener plugged into a wall outlet
3. A projector displaying a diagram on the screen
4. A working flashlight used to light up a dark corner
2
400
Why does something look orange?
Why does something look white?
The object absorbs all the colors of visible light and reflects the color orange.
The object looks white because it reflects all the colors of visible light
400
Is an asphalt road or a grassy field hotter on a sunny day? Why?
Asphalt is Black. Black absorbs all light which into turn makes it hotter
500
How does changing frequency affect sound waves?
How does changing amplitude affect sound waves?
changing the frequency effects the pitch
changing amplitude effects the volume
500
Which wave would have more energy? A wave with a large wave length, small frequency, and a small amplitude or a wave with a short wavelength, high frequency, and high amplitude
What is the wave with a short wavelength, high frequency, and high amplitude.
500
Which energy conversion is taking place when you put gasoline in a car?
Chemical - Mechanical
500
A hot air balloon has the following energy transformations
chemical - thermal - mechanical
500
What is the Law of Conservation of Energy? Use this law to explain why a ball will not bounce forever.
(Explanation may vary) - Good explanation of the Law and mentions energy transfer/transformation