Scientific Language
Why do we review lab safety rules
So we stay safe and don't hurt ourselves
Matter is anything that has _____ and takes up _______
mass, space
the phase change where liquid becomes solid
freezing
What is a property of H2O
liquid, clear, etc.
The process of turning one substance into another
a chemical reaction
point out a model in the room
fish tank, solar system posters, medical dummy
tiny building blocks that make up all things
atoms
a phase of matter that flows and takes the form of its container
liquid
What is a property of the element Au
yellow, metallic, shiny, etc.
Substances that start a chemical reaction
reactants
Any evidence described by a number
Quantitative Evidence
a substance made of 1 type of atom
element
What is a noticeably different form or state of the same substance
phase
Something that can be observed without changing the substance
physical property
substances that are created in a chemical reaction
products
Any evidence not described by a number
qualitative evidence
when 2 or more elements combine to make a new substance
compound
a substance turning from one state into another
a phase change
A change that creates a new substance
a chemical change
The Law of conservation of matter states:
Matter cannot be created or destroyed
To notice something to gain information
make observations
a combination of 2 or more substances
mixtures
a phase change where gas becomes a liquid
condensation
What will a reaction of acetic acid and sodium bicarbonate produce?
carbon dioxide and water
alt: bubbles
Which scientist discovered the law of conservation of matter
Antoine Lavosier