Science Vocabulary Bingo ch2
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Transcript Science Vocabulary Bingo ch2
Science Vocabulary Bing
Density/Ch. 2/Ch. 3 Matter
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