Unit 9 Kinetic model of matter igcse physics

A phase change from solid to liquid

• condensation

• evaporation

• melting

• solidification

Tags

NGSS.MS-PS1-4

You have a cup of hot tea. You covered it for a while with a small platter. When you opened it, you see some water droplets on platter. What process took placed?

• Boling to condensation

• evaporation to freezing

• evaporation to condensation

• evaporation to melting

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of the following equation about pressure and volume of a gas is correct?

• P1V1 = P2V2

• P1V2 = P2V1

• V2 = P2V1

  P1

What is the relationship between pressure and volume in a gas?

• p is directly proportional to V

• p is directly proportional to V²

• p is inversely proportional to V²

• p is inversely proportional to V

What happens to the pressure of a gas when temperature is increased?

• decreases

• not affected

• increases then decreases

• increases

Tags

NGSS.MS-PS1-4

What happens to the pressure inside the closed cube if more particles are added?

• decreases

• not affected

• increases then decreases

• increases

Container 2 has a higher pressure than container 1. Why is this so?

(choose all that apply)

• There is more collision among the particles.

• more frequent collisions with the walls of the container

• more force is exerted on a certain area

• The temperature is increased.

Tags

NGSS.MS-PS2-5

Which graph represents the relationship between pressure and volume for a sample of a gas at constant temperature?

• 
• 
• 
• 

What is the absolute scale for temperature?

• Centigrade

• Celcius

• Kelvin

• Fahrenheit

What is the boiling point of water?

• 0 Kelvin

• 100 Kelvin

• 273 Kelvin

• 373 Kelvin

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4