Balloon rubber is very thin and not completely "airtight" so gasses will leak from the balloon. This is even more apparent if the gas in the balloon is Helium or some other gas with smaller molecules than those of air.
Yes, a weather balloon expands as it rises through the atmosphere due to the decreasing air pressure. Once it reaches a certain altitude, the balloon will have expanded as much as it can and eventually burst.
As time passes, a balloon will gradually deflate due to the air molecules inside the balloon escaping through the balloon material. This will result in a reduction in the size of the balloon over time.
Increasing the air pressure inside the balloon or decreasing the weight of the balloon are two factors that can make a balloon move faster. Additionally, reducing air resistance by using a streamlined shape or reducing the size of the balloon can also help increase its speed.
When the air inside a balloon cools, it will also contract, therefore the balloon will partially deflate.
Adding more air to the balloon. Heating the air inside the balloon. Decreasing the volume of the balloon by squeezing it.
No, the balloon did not change size.
The most likely reason for your balloon losing size every day is air leakage. Balloons are not completely airtight, so it's common for them to gradually deflate over time. Check for any small holes or tears in the balloon that might be allowing air to escape.
As you pull the rubber sheet downward, the balloon inside will be compressed and shrink in size due to the decreasing volume of the space within the rubber sheet. The air molecules inside the balloon will get more tightly packed together, causing the pressure inside the balloon to increase.
If a balloon is squeezed, then that means the volume is decreasing. Volume and pressure vary indirectly, which means that when one goes up, the other goes down. So when you are decreasing the volume of the balloon, the pressure inside is going up (assuming constant mass and temperature).
During this time, the British Navy was decreasing in size and deteriorating. It also had old and outmoded ships.
Make the balloon capable of further expansion. That way as the balloon rises and the barometric pressure falls the balloon can expand and allow its internal gases to achieve a constantly decreasing density.
Freezing a balloon causes the air molecules inside to contract, reducing the volume of the gas and decreasing the pressure exerted on the balloon walls. This results in a deflated appearance as the balloon becomes smaller.