L.1-2 Properties of Matter
Anything that has mass and takes up space is _____?
matter
Any one of the four physical forms of matter
states of matter
A change from a liquid to a gas at the surface of the liquid is ________
evaporation
What change of state is happening when a chocolate bar is heated until it can be poured into a measuring cup?
melting
A change that does not produce a new substance is a _____________ change
physical
Give the definition and an example of physical properties.
Observable characteristics used to describe an object.
Example: color, shape, mass, volume
state of matter with a definite shape and volume
solid
Water changing to ice is an example of which change of state?
freezing
During the water cycle when could water droplets become a solid?
When water droplets fall as snow from a cloud
A change that produces a new substance is a _______ change?
chemical
The measure of how much space an object takes up is _______
volume
state of matter with a definite volume but no definite shape
volume
Name the 5 main kinds of changes of state
freezing, melting,evaporation, condensation and sublimation
What happens to the particles of a liquid as it evaporates?
they move able freely because they are now a gas
A change that involves the physical properties of a object is a ___________ change.
physical
The measure of the pull of gravity on a sample of matter.
weight
state of matter with no definite shape or volume
Water vapor changing to liquid water is an example of _______?
condensation
During a change of state there is a change in ________?
heat energy
Describe the change that takes plane when a match burns.
What new substances are formed?
chemical
ash, heat, and light
The amount of matter in a unit volume of an object
density
Describe how the particles in each state of matter move?
solids are packed very tightly and only vibrate
liquids have room to move past one another
gas particles freely move about
What happens to the particles of a liquid as the liquid freezes?
they get closer together and can only vibrate
What change of state is taking place when water droplets form on the mirror of your bathroom after someone takes a shower?
condensation
Mixing vinegar with baking soda produces carbon dioxide and water. What kind of change is this?
chemical