SED127_ESMAIL, NORHANIE M.
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- I'm so excited, finally we can ride a hot air balloon for real!
- Let's go!!!
- Me too! What we waiting for? Let's build one to get a ride.
- BUILD A HOTAIR BALLOONS
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- Hooo....that took us like 5 hours.
- Yeah right and finally it's all done but why isn't going up?
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- BUILD A HOTAIR BALLOONS
- Base on what I've learned, things that have no motion stay stationary, and it has potential energy which means it stays still and when it starts moving, that means it'll have kinetic energy.
- BUOYANCY
- Then what should we do?
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- BUILD A HOTAIR BALLOONS
- Our hot air balloon needs some type of force for it to group. Have any idea?
- Let's try it.
- Hmm..What about fire. Could that work?
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- BUILD A HOTAIR BALLOONS
- We did it!!!
- We're flying!!!
- FORCE OF GRAVITY
- Hot air balloon rises because hot air rises. By heating the air inside the envelope makes it buoyant, since it has a lower density than the colder air outside the envelope.
- BY: NORHANIE M. ESMAIL
- A hot air balloon rises if it's buoyancy is greater than it's force gravity.
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