Chapter 2: Matter Flashcards
Which of the following can change with a solid object’s change in location?
Weight
Matter freezes when there is not enough vibrating energy to overcome the forces holding atoms together.
True
A change of state is a physical change.
True
When the temperature of an object rises, the _____ of the particles also increases.
speed
What has indefinite volume?
Gas
A chocolate chip cookie is what kind of mixture?
Heterogeneous
Sugar dissolving is described as a ____________ change.
physical
Wood burning is described as a ____________ change
chemical
Compounds and solutions are mixtures.
False
What has a definite shape?
Solid
Ice cubes become water.
Melting
Dew is seen in the morning.
Condensation
Dry ice disappears in the freezer.
Sublimation
Molten iron hardens.
Freezing
Perspiration disappears from the skin.
Evaporation
What is not a physical property?
Flammability
Atoms can bond to form what?
Molecules