P4 Science Revision

The diagram showed how a syringe with air in it was pushed. This shows that air ____________________.

• has mass

• can be compressed

• has no definite shape

• has a definite volume

Ali took out a jar from the refrigerator and had difficulties taking out the cover of the jar. What could Ali do to take out the cover?

• Heat the cover only.

• Heat both the jar and the cover.

• Put only the cover in a basin of cold water.

• Put both the jar and cover in a basin of cold water.

Lynn poured some hot water into a styrofoam cup as shown in the diagram. She is able to hold the cup because styrofoam is a _______________________.

• light material

• strong material

• good conductor of heat

• poor conductor of heat

Referring to the diagram,

the hot milk in the cup (i)_______ heat to the cold water in the basin.

The cold water in the basin (ii)________ heat from the hot milk in the cup.

• (i) gain, (ii) gain

• (i) lost, (ii) lost

• (i) lost, (ii) gain

• (i) gain, (ii) lost

Heat travels from a (i) ___________ region to a (ii) ___________ region until both reach the same temperature.

• (i) hotter, (ii) colder

• (i) colder, (ii) hotter

• (i) hotter, (ii) hotter

• (i) colder, (ii) colder

A good conductor of heat gains heat and loses heat (i)___________.

A poor conductor of heat gains heat and loses heat (ii)___________.

• (i) quickly, (ii) slowly

• (i) quickly, (ii) quickly

• (i) slowly, (ii) slowly

• (i) slowly, (ii) quickly

Jonathan balanced two objects, P and Q, as shown.

• Objects P and Q have the same mass.

• Objects P and Q have the same shape.

• Object P occupies more space than Object Q.

• Objects P and Q are made of the same material.

The diagram shows a syringe containing some water and air. What will happen to the volume of water when the plunger is pushed in?

• Remains the same

• Becomes smaller

The diagram shows a syringe containing some water and air. What will happen to the volume of air when the plunger is pushed in?

• Remains the same

• Becomes smaller

Which of the following glasses has the least amount of heat in it?

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