What are the four states of matter?
|A)||solid, liquid, gas, and plasma|
|B)||solid, liquid, vacuum, and plasma|
|C)||heat, temperature, length, and mass|
|D)||color, shape, size, and density|
Density is defined as __________.
|A)||the amount of mass in a given volume|
|B)||the length of a certain mass|
|C)||the shape of a certain mass|
|D)||the amount of volume to a certain shape|
Malleability is __________.
|A)||the ability to be hammered, pressed, or rolled into thin sheets|
|B)||the hardness of an object|
|C)||the shininess of an object|
|D)||the ability to be drawn out into a wire|
An example of a change of state is __________.
|A)||ice cubes melting|
|B)||liquid filling a glass|
|D)||exposing photographic film|
Why are vitamins often sold in dark brown containers?
|A)||to prevent the vitamins from going through a chemical change from exposure to light|
|B)||to stop any physical changes inside the bottle|
|C)||to make the vitamins more powerful|
|D)||to promote chemical changes in the vitamins|
What substance does not have the property of ductility?
What is a property of many metals?
|B)||liquid at room temperature|
A substance has gone through a chemical change. Most likely, the resulting substance __________.
|A)||is the same as the old substance|
|B)||is a gas|
|C)||has been created|
|D)||has new physical properties|
Which of these can be broken down by electricity?
Examples of chemical properties include __________.
|A)||color and shape|
|B)||melting point and boiling point|
|C)||length and mass|
|D)||flammability and reactivity|
Can mass be created or lost in a chemical change?
|D)||it has not yet been determined|
The amount of a substance does not affect its __________.
If you have an unknown liquid in a laboratory, how might you identify it?
|D)||test its boiling point|
A change in the chemical properties of a substance results in a __________.
|A)||the same substance|
|D)||a change of state|
A substance is giving off heat, light, and smoke. Most likely the type of change that is occurring is __________.
|A)||a change of state|
|B)||a chemical change|
|C)||a nuclear change|
|D)||a physical change|
Why does a liquid fill the shape of a container?
|A)||because this is a chemical property|
|B)||because the matter has changed state|
|C)||because the particles of the liquid are constantly moving|
|D)||because the particles do not move|
An example of a chemical change is __________.
What is a physical property of water?
|A)||liquid at room temperature|
|B)||pH of 7|
|D)||reacts with sodium|
Where does all the mass of wood in a fire go after the fire burns itself out?
|A)||It turns into smoke and ash.|
|B)||It turns into plasma and remains that way.|
|D)||It changes state.|
The law of conservation of mass states that matter cannot be __________.
|B)||created or destroyed|