Lab Safety + Variables + Matter
Parts of the Atom
Element Tile
Uses of Elements
Mtls/N.Mtls/Mtlds
100
Used to protect clothes from chemical spills
What is a lab apron?
100
The dense center of the atom
What is the nucleus?
100
Atomic number 17
What is chlorine?
100
used to blow balloons and make them float
What is helium?
100
Boron
What is a metalloid?
200
In any experiment, this is the variable the scientist changes
What is the independent variable?
200
Where electrons are found in the atom
What is outside the nucleus?
200
The element symbol for potassium
What is K?
200
used to make pennies
What is copper?
200
The ability to reflect off light
What is shiny?
300
The person that gives you permission to begin any experiment in class
What is the teacher?
300
This subatomic particle has no charge
What is a neutron?
300
The number of electrons for sodium
What is 11?
300
the reason we eat bananas
What is potassium?
300
Uranium
What is a metal?
400
This variable never changes throughout the entire experiment
What is the control variable?
400
The amount of this subatomic particle determines the atomic number
What is a proton?
400
The name for the element whose symbol is Ag
What is silver?
400
a germ killer in swimming pools
What is chlorine
400
Group of elements known to be very poor conductors
What are nonmetals?
500
The property of matter defined as "taking up space"
What is volume?
500
This subatomic particle has practically no mass
What is an electron?
500
The number of neutrons for Beryllium
What is 5?
500
used to make mouth wash
What is fluorine?
500
Gallium
What is a metal?
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