Evidence
Elements
Definitions
Procedures
Examples
100
bubbles form when you mix substances together
What is a chemical reaction?
100
most abundant element in the human body
What is oxygen?
100
basic unit of all matter
What is an atom?
100
one way to separate a mixture
What is a filter and a funnel? or what is a screen? or what is a magnet?
100
ice tea, sugar water, salt water
What are solutions?
200
two or more substances together that can easily be separated by a physical method such as a filter, a screen, a magnet
What is a mixture?
200
90 or 92
What is the number of naturally occurring elements?
200
two or more substances put together
What is a mixture?
200
to find the mass of a solute after the solution has been filtered
What is a balance scale? or What is a triple beam balance?
200
iron, gold, zinc
What are metals?
300
two or more substances together that form a clear liquid with nothing settling to the bottom
What is a solution?
300
a mixture of metals
What is an alloy?
300
A mixture where one substance dissolves into the other
What is a solution?
300
to separate the solute from a solution
What is evaporation?
300
hydrogen, cobalt, iodine
What are elements?
400
some of the original substance is at the bottom of the cup of a solution
What is a saturated solution?
400
scientist credited with creating the Periodic Table of Elements
Who is Dimitri Mendelev?
400
the ability of one substance to spread out uniformly throughout another substance (its dissolvibility)
What is solubility?
400
keep adding solute until the solvent won't dissolve it anymore
What is a saturated solution?
400
carbon dioxide, water, salt
What are compounds?
500
a new white substance forms when you mix two chemicals together
What is a precipitate?
500
by atomic number and chemical properties
How is the Periodic Table of Elements arranged?
500
a substance made of two or more different kinds of atoms
What is a compound?
500
a method to get more solute to dissolve in water
What is add more water? or What is heat the water?
500
bronze, brass, steel, pewter
What are alloys?
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