Science Vocabulary Bing
Density/Ch. 2/Ch. 3 Matter
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Density, hardness, texture, state of matter,
boiling point and color are examples of…

=Physical Properties (of matter)

Anything that has mass and takes up
space…

=matter

An _________ is a pure substance that
cannot be broken down into any other
substances by chemical or physical means.
Examples Oxygen, Nitrogen, Hydrogen, Gold

=Element


A compound can be represented by a
____________ ___________ , which shows
the elements in the compound and how
many atoms are present.

=chemical formula

solid, liquid, gas and plasma are examples of
=states of matter

A __________ __________ is a
characteristic of a pure substance that
describes its ability to change into different
substances.

=Chemical properties

Atoms that are held together by chemical
bonds form larger particles called …

=molecules

If a piece of metal has a mass of 50 grams
and a volume of 2 cubic centimeters, what is
its density?

=25 grams/cubic centimeter
Salt (NaCl)
 Water (H20)
 Iron (Fe)
 Gold (Au)
These are all examples of ____ ________
because they can only be broken down by
chemical means.
=pure substance


An _______ is the basic particle from which
all elements are made.

=atom

What kind of energy is stored in the foods
you eat, and in the cells of your body?

=Chemical Energy

When energy is given off.
a wood fire releasing energy in the form of
light and heat.
=exothermic energy

A change in which energy is taken in
The reason you pack food and drinks in an
ice-filled picnic cooler to keep them cold.
or Ice melting
=endothermic change

A __________ is made of two or more
substances - elements, compounds, or boththat are together in the same place but are
not chemically combined.

=mixture

The study of properties of matter and how
matter changes.
=Chemistry

The amount of space an object takes up is
its…

Length X Width X Height =

=Volume

This form of energy travels through space in
the form of waves.

=one form Is visible light

=electromagnetic energy

What is the force that holds two atoms
together in a chemical formula (compound)?

=chemical bond

A _______ _______ is any change that alters
the form or appearance of matter but does
not make any substance in the matter into a
different substance.
Example water changing from a liquid to gas

=Physical Change


How do you calculate the volume of an
irregularly shaped object?

=Water Displacement

The amount of particles packed into a given
amount of space
The formula is Mass
Volume
=Density


The substances in a _________ __________
you can not see the different parts.

=homogeneous mixture

The fact that matter is never created or
destroyed in any chemical or physical
change is called the…

=law of conservation of matter

A _________ is a pure substance made of
two or more elements chemically combined
in a set ratio.

=compound

_______ _______ is the total energy of all of
the particles in an object.

=Thermal Energy

A ________ has a definite volume but NO
shape of its own. Particles flow, and move
past one another. They do not have a
definite pattern.

=liquid

_______ is the ability to do work or cause a
change.

= Energy



A _________ _______ is a change in matter
that produces one or more new
substances…
Example…mixing sulfuric acid and sugar and
a new substance charcoal is formed.
=Chemical Change