Units
What are the units for volume?
Liter (L) or the smaller unit milliliter (mL)
How do you measure the volume of a liquid?
Using a graduated container, like a graduated cylinder.
What state of matter has a definite shape and a definite volume?
solid
Are all state of matter changes chemical or physical?
physical
All matter is made up of small particles called
atoms
What are the units for mass?
gram (g) or kilogram (kg)
How do you measure the mass of a substance?
Using a digital scale or triple-beam balance
What state of matter has no definite shape but a definite volume?
liquid
The process of a solid changing to a liquid.
melting
Compounds form through this process. This occurs when the atoms in an element or compound combine to form a new substance.
a chemical change
What are the units for density?
grams/milliliter (g/mL)
How do you measure the volume of a regular-shaped object? Regular-shaped as in a cube.
Use a ruler and measure length x width x height. Multiply the 3 numbers.
What state of matter has no definite shape and no definite volume?
gas
The process of a liquid changing to a solid.
freezing point
This consists of 2 or more substances that are physically combined and can be separated through physical means (like with a magnet).
mixture
1 cm3 is the same thing as what measurement?
1 mL
How do you measure length?
Using a ruler
What state of matter contains particles that are the closest together. (The particles are pressed tight against each other)
solid
The process of a liquid changing into a gas is called what.
Vaporization (there are 2 types-evaporation and boiling)
If you add a solute (like salt) and a solvent (like water), you will get a _______________.
solution (saltwater)