.
Heat has transferred from the ice-block into your hand by conduction.
Heat has transferred from your hand to the ice-block by conduction.
Heat has transferred from the ice-block into your hand by radiation.
Heat has transferred from your hand to the ice-block by radiation.
A cotton T-shirt, a cotton windcheater, a woollen jumper, a parka
A windcheater, a cotton T-shirt, a woollen jumper, a parka
A parka, a woollen jumper, a cotton windcheater, a cotton T-shirt
A woollen jumper, a cotton windcheater, a parka, a cotton T-shirt
Vibrate back and forth
Move along with the wave
Vibrate from side to side
Do not move at all
Air vibrates as it enters the mouthpiece.
The air around each hole in the flute vibrates.
Your fingers vibrate as they cover specific holes.
Different-sized columns of air inside the flute vibrate.
0.5 seconds
1 second
2 seconds
3 seconds
Semi-circular canals
Eustachian tube
Oval window
Pinna
Silverline
Hot stuff
Luxury liner
Thermospecial
238 K
308 K
238˚ K
308˚ K
Sound travels at the same speed through all materials
Sound travels faster at cooler temperatures
Sound cannot pass through glass
Sound travels faster through substances that are more dense
Sounds are collected by the outer ear.
The ear drum vibrates when sound waves strike it.
The inner ear contains the hammer, anvil and stirrup.
The middle ear contains the hammer, anvil and stirrup.
The cochlear is empty.
The cochlear is filled with fluid.
The tiny hairs in the cochlear transform vibrations into electrical signals that go to the brain.
The sun transfers its heat energy through radiation.
Conduction is when heat energy is transferred by vibrating particles.
Conduction is when heat energy diffuses through a liquid or a gas.
Convection is when heat energy is transferred by vibrating particles.
Convection is when heat energy diffuses through a liquid or a gas.
Sound is produced when something vibrates.
Frequency refers to how loud the sound is.
Frequency refers to the number of waves passing a point each second.
The higher the frequency the higher the pitch or tone of the sound.
Amplitude refers to how loud the sound is.
Amplitude refers to the number of waves passing a point each second.
True
False
True
False
True
False
True
False
True
False
A
B
C
A
B
C
Light originates in our eyes and sends out little probes
Most of what we see is a reflection of light
Light sometimes acts like a wave
Light sometimes acts like a particle
All colours have the same frequency
Different colours have the different frequencies
Red objects reflect the red light
Yellow objects reflect the blue light
Black objects absorb all the colours