MATTER

Example of matter

• Light

• oxygen

• Sound

• Heat

matter are interconvertible by

• changing pressure

• changing temperature

• changing temperature and pressure

• not possible

Physical properties do not include

• appearance

• melting point

• solubility

• combustion

which one does not associate with Particles of matter

• have spaces between them

• are always in motion

• attract each other

• potential energy

Solids have Fixed shape because

• low inter particle attraction

• high inter particle attraction

• particles are tightly packed

• high kinetic energy

Gases have high energy because

• low inter molecular force

• high inter molecular force

• Attraction Between Particles

• high Density

Which of the following is a characteristic of liquids?

• Low density

• High compressibility

• Definite volume

• Definite shape

What happens to the particles in a solid when heated?

• They become less organized

• They gain potential energy

• They vibrate more vigorously

• They move closer together

What occurs to the particles in a liquid when cooled?

• They spread apart

• They gain kinetic energy

• They become more organized

• They move faster

Which of the following processes can change a solid into a liquid?

• Freezing

• Melting

• Evaporation

• Condensation