SCIENCE Flashcards
what is a mixture?
A mixture is a mix of things that you can individually remove.
Is burning wood a chemical or physical change?
CHEMICAL its irreversible
what is a physical and chemical change?
PHYSICAL: reversible
CHEMICAL: irreversible
What does condense mean?
To turn a gas into a liquid by cooling.
What does evaporate mean?
To turn a liquid into a gas by heating.
What does melt mean?
To turn a solid into a liquid by heating.
What does freeze mean?
To turn a liquid into a solid by cooling.
What is a solution?
The mixture that forms when a substance dissolves.
What is a suspension?
A mixture that contains either a solid or a liquid but does not dissolve. the particles will eventually settle to the bottom.