Air in a Syringe

Question 1

What did you learn about air with a syringe system that was closed?

Answer 1

The plunger could be pushed down part-way but not all the way; a plunger could be pulled out, but it moved back in by itself.

Question 2

Why couldn’t the plunger be pushed all the way down?

Answer 2

Air is in the syringe. Air is matter. Matter takes up space. The plunger can’t be in the same space as the air. Air pushed back, preventing the plunger from going down.

Question 3

Does air take up space?

Answer 3

yes

Question 4

What is your evidence for: does air take up space? (air in a syringe

Answer 4

the plunger couldn’t be pushed all the way down

Question 5

what is air

Answer 5

mixture of gases and matter (it takes up space and has volume)

Question 6

Does air always take up the same amount of space?

Answer 6

No, air can be pushed into a smaller space or pulled into a larger space.

Question 7

When you push on the plunger, are the air particles closer together in the syringe or in the bubble?

Answer 7

The average distance between particles is the same in the syringe and in the bubble; equally closer together in both

Question 8

What is between air particles?

Answer 8

Nothing; empty space or distance, but no matter

Question 9

What happens to air particles when a volume of air is compressed?

Answer 9

Nothing happens to the particles themselves; Particles are closer together

Question 10

What happens when a volume of air expands?

Answer 10

Nothing happens to the particles themselves, Particles are farther apart.