Movement Of Particles

Question 1

The _____ motion of the smoke particles can be explained by imagining the jerky movements of the smoke particles which we can see being caused by the smoke particles being bombarded continuously by smaller particles which we cannot see. This movement of the air particles must also be haphazard. So we now know that the movement of ____ particles is in all directions in a _____ way.

Answer 1

Brownian
Gas
Haphazard

Question 2

When a known volume of alcohol is mixed with a known volume of water the final volume will be ____ than the sum of the original volume.

Answer 2

Less

Question 3

Explain the observation of the salt prac?

Answer 3

The volume of the solution decreased because when salt and water interact they get closer together thus a decrease in volume. They attract towards each other and contract.

Question 4

Air can be compressed into a gas syringe. What is happening to the particles of gas when the air is compressed?

Answer 4

They are getting closer together and they bump against each other more.

Question 5

1. )All matter is made up of tiny ____ moving particles
2. )Particles of different substances have different ____
3. )Small particles move ____ than heavier ones at a given temperature
4. )As the Temperature rises the particles move ____
5. )In a solid the particles are very close together and can only vibrate about a ____ position
6. )In a liquid the particles can move around _______
7. )In a gas the particles are ___ apart. They move ______and ________in all the space they can find.

Answer 5

1. )Invisible
2. )Sizes
3. )Faster
4. )Faster
5. )Fixed
6. )Each other
7. )Far-Rapidly and Randomly