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2.8 Physical Change
Terms in this set (10)
Which of the following options depicts a physical change?
Evaporation and Breaking of glass
A physical change can result in an entirely different substance.
The wood in the Figure is being cut with a chainsaw
True or False: Physical changes generally are not easily reversed.
Changes in size and shape are examples of _____ changes in matter.
physical , physical changes
Fill in the blank(s): ____________________ change is a change in matter that results in a material changing from one state to another without any change in chemical properties. Example: solid ice changes to liquid water.
Physical (or) physical change
True or False: As long as the changes do not generate new substances they are considered physical changes.
Harsha wakes up early to let her dogs outside. She knows she will need to get a towel ready to dry the dogs' feet. She has noticed that in the early mornings the grass is very wet and is covered with small drops of water. However, later in the day she does not need to dry her dog's feet when they come in from outside. Which of the following best explains why the dog's feet get wet in the morning and not the afternoon?
The Sun heats the water and causes the drops to evaporate.
Which of the following is not a physical change?
A change in which the shape, size, physical state, and appearance of a substance are altered, but not its chemical composition, is called a physical change.
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