Matter (Diffusion, Osmosis and Changes of State)

Which statement about gases is NOT correct?

• The distance between their particles is less than that in liquids

• They have very low densities compared to solids

• They can be compressed much easier than liquids

• They have no fixed shape similar to liquids

Matter can be defined as...

• Anything that takes up space

• Anything that has mass

• Anything that has mass and takes up space

• Anything that has mass and a temperature

When you fry food in a kitchen the smell soon spreads throughout the house. The smell spreads out by a process called….

• Diffusion

• Osmosis

• Condensation

• Evaporation

The freezing point of water is….

• 0 ⁰C

• 10 ⁰C

• 100 ⁰C

• 1000 ⁰C

Which one of the following statements is true?

• The particles in a liquid have lots of space between them.

• Solids do not have a fixed or definite shape.

• The particles in a gas are always rising.

• The particles in a solid are constantly vibrating

The movement of particles from an area of high concentration to an area of low concentration is called...

• Diffusion

• Osmosis

• Condensation

• Evaporation

The movement of water particles across a selectively or partially permeable membrane from an area of high water concentration to an area of low water concentration is called ....

• Diffusion

• Osmosis

• Condensation

• Evaporation

_________________ is the process by which oxygen is moved into and carbon dioxide is moved into a cell.

• Diffusion

• Osmosis

• Condensation

• Evaporation

_________________ allows some materials to pass through it but keeps other materials out.

• Diffusion

• Selectively permeable membrane

• Osmosis

• Concentration

_________________ refers to the amount of a substance or particles in a given space.

• Diffusion

• Partially permeable membrane

• Concentration

• Osmosis