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Warm air is heavier than cold air so it rises up.
babab
The balloons that float usually contain helium in them, which is lighter than air. This enables the balloon to float.
they contain helium molecules which are lighter than the air we breath making the balloons rise
hot air balloons work the best in cold temperature. the reason why is because if the outside temperature is close to the temperature in the hot air balloon, it will be as if the flame isn't on. if it is cold outside, the flame makes a much bigger impact and the balloon will go up faster.
Depending on how cold the cooler is, the water balloon what shrink from the cold and the water would remain liquid, or it would freeze and probably burst.
cold air because hot blowes them up
do a hot tea party or a slumber party with Hot Chocolate and some marshmallows. or find a good function venue near you with a good fireplace to warm up the cold winter night. balloons and boots are a must :)
do a hot tea party or a slumber party with hot chocolate and some marshmallows. or find a good function venue near you with a good fireplace to warm up the cold winter night. balloons and boots are a must :)
I believe your body is responding to the cold by shivering to warm you up.
Warm air is heavier than cold air so it rises up.
helium is generally filled in helium balloons
Yes it is hot and cold in the desert. During the day, the desert heats up, which gives them their extreme temperatures. but at night, the desert is very cold.
you can play with them and blow them up and fill them with water and lots of balloons can make you fly
Yes, balloons filled with helium will be buoyant in air
its just frozen cold let the car warm up for a while it will be fine.
Barrage balloons were used for visability.