States of Matter
This state of matter will take the shape of its container, it does not have definite shape.
What is a liquid?
This type of matter is made up of just one kind of atom.
What is an element?
What is the law that states that the weight (mass) of a product of a mixture is the same before as after (conserved).
The Law of Conservation of Mass
True or false: MOST substances shrink (get smaller) when they freeze
True
This state of matter fills an entire space. It has no definite shape or volume.
What is a gas?
This is the smallest particle of an element. Its parts include protons, neutrons, and electrons.
What is an atom?
Two or more kinds of matter that can be separated out is called a _______________.
What is a mixture?
If the ingredients of a salad are 10g, 11g, and 5g...how much is the mass of the total salad?
26 grams
This is what we call it when a liquid heats enough to turn it into a gas (ex: raindrops disappearing from the sidewalk into the air).
What is evaporation?
When a substance dissolves in another substance it creates _________.
What is a solution?
What is the theory of how atoms are structured and how they interact with other atoms?
The Atomic Theory
Why do bridges, sidewalks, and other structures need expansion joints?
Because most substances grow when they get warmer, so the structures need to expand a little to keep them safe for people.
ANYTHING that has weight and takes up space is known as what?
What is matter?
This kind of change happens when you cut a chocolate cake into pieces.
What is a physical change?
What does the atomic number tell us?
Does water expand or contract when frozen?
What is expand
A __________ is made up of two or more atoms.
What is a molecule?
This kind of change happens when you bake cookies or pies.
What is a chemical change?
What two particles are found in the nucleus?
protons and neutrons
A measure of the energy of motion of particles of matter is _____________.
What is temperature?