heat effects

Choose the correct statements on effects of heating on matter.

• Matter expands

• Particles in matter is closer to one another

• Particles are further apart from each other

• Particles vibrate or move faster

• Distance between particles decrease

Choose the correct statements of effects on cooling of matter.

• Particles are closer to each other

• Matter expands

• Matter contracts

• Distance between particles decreases

• Particles vibrates or move faster

Mercury is used inside thermometer because it _________________

• is very sensitive to temperature

• expands faster than water

• contracts when hot

• expands when cold

Immerse the lid of a bottle in _______________ to make it expand and loosen it.

• cold water

• hot water

• liquid soap

• vinegar

How do we restore a dented ping pong ball?

• Immerse it in ice

• Immerse it in hot water

• Immerse it in cold water

• Immerse it in liquid soap

An inflated balloon will _____________ when put inside basin full of ice.

• contract

• burst

• no change

• expand

When the air in a hot air balloon is heated, it will

• expand

• contract

• evaporate

• condense

If an object has particles that are moving very slowly, the object's temperature is probably ______.

• high

• low

If an object has particles that are moving very quickly, the object 's temperature is probably _____.

• high

• low

Diagram shows a train's railway. The train's railway is connected with a small space in between to ensure

• rail can expand in cold weather

• train can move in the right direction

• rail can expand in hot weather

• rail can absorb heat from train's wheel