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Matter UnitJanuary/February 2014
What is matter?
ANSWER: Anything that takes up space
What are the three phases of
matter?
ANSWER: Gas, liquid, solid
How does matter change states?
ANSWER: Increasing or
decreasing the temperature
What is the state of matter where particles move
the most quickly?
ANSWER: Gas
What phase(s) of matter take the volume of the container they are placed in?
ANSWER: Gas
What phase(s) of matter take on
the shape of the container they are placed in?
ANSWER: Liquid and gas
What is mass?
ANSWER: How much matter is in
an object
Does your mass ever change?
ANSWER: Never
What is weight?
ANSWER: a measurement the force of gravity upon an object
Does weight ever change?
ANSWER: Because weight it
dependent on gravity, the more gravity, the more
something weighs.
What are the 3 ways to measure
volume?
ANSWER: A graduated cylinder,
displacement and LxWxH
What is displacement
used for?
ANSWER: Measuring
irregular objects
What is density?
ANSWER: How tightly packed
matter is inside an object?
What is more dense: a packed elevator or an
empty elevator?
ANSWER: A packed elevator
What are atoms?
ANSWER: The basic building
blocks of matter that make up every object
What are the 4 parts of an atom?
ANSWER: Electrons,
protons, neutrons and the nucleus
What is located in the nucleus of an
atom?
ANSWER: Protons and Neutrons
Where are electrons located?
ANSWER: Electrons orbit
the nucleus
What is a molecule?
ANSWER: A substance with
multiple types of atoms
Which of the following is a
molecule:
H2O2 Hydrogen
Atoms3 oxygen atoms
CO
ANSWER: CO and H20
What is an element?
ANSWER: an atom with a unique structure (a
specific type of atom)
Where are all known elements
listed?
ANSWER: The Periodic Table of
Elements
What is the name of the
element?
ANSWER: Barium
What is the atomic
number?
ANSWER: 56
What is the atomic mass?
ANSWER: 137.327
How many protons and
electrons does this element
have?
ANSWER: 56 protons, 56 electrons
How do you figure out the number of
neutrons of an element?
ANSWER: Subtract the
atomic number from the atomic
mass
How many neutrons does this element have?
ANSWER: 81.327 or rounded 82
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