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Jouer Mots Roulette
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
V
W
Y
Starts with  
A
A lamp is an ______________ source of light. The opposite of natural.
Starts with  
B
An example of a natural source of light that we can see in the sea (plankton).
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C
one of the properties of the light
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D
The quantity of a mass per unit volume of a substance. Refraction is produced when the light passes through a medium with a different _____________
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E
The change of state process in which a liquid becomes a gas.
Starts with  
F
sound moves four times _________ through water than through air.
Starts with  
G
_________ energy is an example of a natural heat source. We get heat from inside of the Earth
Starts with  
H
_______________ is thermal energy, which can be transferred from molecules with high thermal energy to molecules with low thermal energy.
Starts with  
I
Thermal _____________ don't conduct heat well (plastic, wood...)
Starts with  
L
We perceive large vibrations as _______________ sounds.
Starts with  
M
The sound waves travel through a ____________ (solid, liquid or gas)
Starts with  
N
_______________ light sources are found in nature.
Starts with  
O
Material that doesn't allow light to pass through it (the wall).
Starts with  
P
Submarines use mirrors in a ______________ to see what is happening above the water.
Starts with  
Q
We perceive small vibrations as ____________ sounds
Starts with  
R
This occurs when rays of light are not absorbed by an object and bounce off, instead.
Starts with  
S
The rate at which something moves
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T
Related to heat. It measures how hot or cold something is.
Contains  
U
A space without any matter or material. Sound waves cannot travel through it.
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V
To move back and forth rapidly. (When some object ______, they produce sound waves)
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W
Sound and light move in _________.
Contains  
Y
Light energy travels in straight lines, called __________.