It makes your vocal cords go to a higher pitch witch reaches the exit of you oesophagus and exits your mouth disturbing the air particles making your voice a higher pitch. when i dummy it down this is the definition. It makes your voice high pitched!
It can also make you lose consciousness and die from hypoxia (lack of oxygen) so make sure you just take a sip from the balloon.
If the balloon is light enough, it will rise in the air, because the density of the gases inside the balloon is lower than the density of the air outside. If hydrogen is used at the same pressure as helium, greater lift is achieved. If you add both gases, they will mix, but the helium will tend to settle in the bottom of the balloon because it is slightly heavier.
If you were to do this then it would explode from the pressure built up inside the balloon.
The balloon shrinks to a smaller volume, cause pressure is lower at lower temperature
It will float into the air.
nothing
It pops
The density is reduced to 50% (half) of its original value.
you have to put gas in a balloon or something for example a balloon compresses gas(helium)
The density will be 50 % from the initial value.
If you put plaster over a water balloon and freeze it, the water balloon will bulge out.
it freezes.
Helium
when a helium balloon goes into heat it creates a scent that attracts male helium balloons, then they have intercourse and eventually have a litter of baby helium balloons. (hope this helped)
It appears to move in the opposite direction to the motion of the van
It pops
The density is reduced to 50% (half) of its original value.
you have to put gas in a balloon or something for example a balloon compresses gas(helium)
A helium balloon floats because helium gas is lighter than air. By filling a balloon with helium, the balloon also becomes lighter than air. The helium balloon floats for the same reason that objects float on water: objects less dense than water are pushed up by buoyant forces equal to the weight of water displaced by that object. What happens in water also happens in air, and the helium balloon is pushed upwards by a force equal to the weight of air it displaces.
temperature affects helium for example, if you put a balloon in a hot car it will pop
A balloon is filled with helium. Athough, it can be a chemical and physical change. For example you can take the helium out of the balloon, but you cant put it back in it now that its already in the air.
The density will be 50 % from the initial value.
Kinetic energy is lowered as the helium inside becomes compressed. Potential energy is stored, and can be released, usually by popping the balloon.