Liquids and Particles

Substances that have a definite volume but that take the shape of their containers are called …………….

• weight

• gravity

• liquids

• solids

Which of the following are examples of liquids?

• Honey and oil

• Wood and paper

• Perfume and smoke

• Plastic and aluminium foil

Which of the following is not true for liquids?

• The shape of a liquid does not change

• A liquid takes the shape of its container

• Liquids are runny and can be poured

• The volume of a liquid does not change

The temperature at which a substance changes from its liquid to gaseous state is called its...……………….. point.

• condensation

• boiling

• freezing

• melting

Which type of motion is found in the particles of a liquid?

• Circulatory

• Random

• Linear

• Vibratory

What would you do to change a liquid substance to a solid state?

• Heat it

• Cool it

• Compress it

• Blend it

The particles of a liquid...…………..

• are tightly packed together and stay in a fixed position

• decrease in volume with an increase in temperature

• have no viscosity

• are free to move in a container but remain in close contact with one another

An uncovered pot of soup is simmering on a stove, and there are water droplets on the wall behind it. Which of the following sequences have occurred in this case?

• First melting, then boiling

• First freezing then thawing

• First vaporisation then condensation

• First condensation, then vaporisation