CA1 Study Guide

Why are gases easier to compress than liquids

• They are less dense

• Their particles are held together less tightly

• Their particles are further apart

• Their particles move randomly

What causes particles of matter to move faster?

• Weaker forces between them

• Heating the matter

• Cooling the matter

• Shaking the matter

This is a diagram of a

• solid

• liquid

• gas

This is a diagram of a ________. The particles are sliding by each other.

• solid

• liquid

• gas

This is a diagram of a

• solid

• liquid

• gas

What classification  of a matter is in the picture?

• Element

• Compound

• Homogeneous Mixture 

• Heterogeneous Mixture

Which of the following mixtures is homogeneous?

• 
• 
• 
• 

What appropriate method should be used in separating gravel from sand?

• Evaporation

• Sieving or straining

• Floatation

• Distillation

What method should be used to remove bad  mungbean seeds  from the good ones?

• Floatation

• Filtration

• Evaporation

• Extraction

Salt from the seawater can be recovered by what method?

• Manual Separation

• Filtration

• Evaporation

• Paper chromatography