# data[].attributes.body
density, pressure, force, mass

# data[].attributes.body
We can use terms like concentration, density, permeability, and displacement to help explain the question.

# data[].attributes.headline
The force of the air pushing on the object is greater than the gravitational force of the object

# data[].attributes.subject
The force of the air pushing on the object is greater than the gravitational force of the object

# data[].attributes.body
Air pressure can be changed to lift heavy items

# data[].attributes.headline
Air pressure pushes on the object to lift it.

# data[].attributes.subject
Air pressure pushes on the object to lift it.

# data[].attributes.body
I wonder how the thickness of the material that makes up the bag impacts the ability to lift an object. For example, walmart bag vs. ziploc gallon bag.

# data[].attributes.body
Air pressure pushes against the impermeable plastic barrier, providing the force to lift the objects.

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Would a shorter straw be helpful? Less distance for the air to travel before getting in                                    to the bag.                                                                   

# data[].attributes.subject
Would a shorter straw be helpful? Less distance for the air to travel before getting in                                    to the bag.                                                                   

# data[].attributes.headline
Should we all test with similar bags to have a control group, then run experiment again with different bags?

# data[].attributes.subject
Should we all test with similar bags to have a control group, then run experiment again with different bags?

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The bag used plays a role in how well the bag lifts the items. The sturdier the bag the better it will lift.

# data[].attributes.subject
The bag used plays a role in how well the bag lifts the items. The sturdier the bag the better it will lift.

# data[].attributes.body
Does the temperature of the air matter for lifting ability (air we are blowing is hot)

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Does density or mass play a part when all of my heavier items actually lifted? 

# data[].attributes.subject
Does density or mass play a part when all of my heavier items actually lifted? 

# data[].attributes.body
What is the heaviest item you could lift with a heavier duty bag?

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Though the items being lifted required greater or lesser amounts of air, they all were eventually lifted. 

# data[].attributes.subject
Though the items being lifted required greater or lesser amounts of air, they all were eventually lifted. 

# data[].attributes.headline
Does the air pressure enable the activity to work?

# data[].attributes.subject
Does the air pressure enable the activity to work?

# data[].attributes.body
Observed the air in the sandwich bag lift the entire Lord of the Rings trilogy (maybe five pounds).

# data[].attributes.headline
I wonder how the heavy objects are lifted. How would it work with other materials?

# data[].attributes.subject
I wonder how the heavy objects are lifted. How would it work with other materials?

# data[].attributes.body
What processes in the real word uses this sort of principle? construction? cars?

# data[].attributes.body
The larger, denser objects in my experiment were not lifted by the bag. The other items were. I did have an larger item that was lifted-- a dog toy.

# data[].attributes.headline
Observations made during investigation showed sturdier bags could lift heavy items, but produce bag could not.

# data[].attributes.subject
Observations made during investigation showed sturdier bags could lift heavy items, but produce bag could not.

# data[].attributes.headline
I was able to produce enough force to lift the lighter items.

# data[].attributes.subject
I was able to produce enough force to lift the lighter items.

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When air was forced into the bag through the straw, all the items were lifted 

# data[].attributes.subject
When air was forced into the bag through the straw, all the items were lifted 

# data[].attributes.body
The more air you blew into the bag, the higher the item lifted

# data[].attributes.body
sturdier plastic bags were able to lift more effectively.

# data[].attributes.body
We observed the items lifting or not lifting when we added air to the bags.

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A wider diameter straw may be needed to channel the air.

# data[].attributes.subject
A wider diameter straw may be needed to channel the air.

# data[].attributes.headline
Heavier items could not be lifted with air in a produce bag, but could be lifted with a ziploc bag. 

# data[].attributes.subject
Heavier items could not be lifted with air in a produce bag, but could be lifted with a ziploc bag. 

# data[].attributes.headline
Air is stronger than I thought and has the ability to lift heavier objects than I originally thought.

# data[].attributes.subject
Air is stronger than I thought and has the ability to lift heavier objects than I originally thought.

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We thought the different bags would make a difference but that was not the case.

# data[].attributes.subject
We thought the different bags would make a difference but that was not the case.

# data[].attributes.body
Air is very strong depending on the force exerted into the bag and size of the bag - NM

# data[].attributes.body
The air pressure inside the bag is more that the pressure than the air pressure outside the bag

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When highly displaced or concentrated, air has incredible strength. 

# data[].attributes.subject
When highly displaced or concentrated, air has incredible strength. 

# data[].attributes.headline
I was able to produce enough force from my lungs to lift the lighter items.

# data[].attributes.subject
I was able to produce enough force from my lungs to lift the lighter items.

# data[].attributes.body
Larger, denser objects cannot be lifted by a bag of air.

# data[].attributes.body
a bag filled with air will lift most items under a certain weight/density.

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air is often invisible

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air is a colorless gas

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air is a combination of elements
- NM

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Air is a compound made of gases and molecules.

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Air is made up of different atoms that are spread apart from each other

# data[].attributes.body
air is a combination of gases that fills the atmosphere