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Chemical Change vs. Physical Change
Matter
Periodic Table
Scientific Method
Vocabulary.com
100
A change in matter in which the substances that make up the matter changes into other substances.
Chemical change
100
Mass and Weight are the same. (TRUE or FALSE)
FALSE
100
The Periodic Table of ______. (Pure substances)
Elements
100
The variable that is changed during an experiment is the ?
independent variable
100
A substance that cannot be broken down into simpler substances
element
200
A change in the size, shape, form, or state of matter in which the matter's identity stays the same.
physical change
200
Matter is anything that has ____ and takes up space.
Mass
200
When elements combine they form ___.
Compounds
200
The variable that is being measured is the __.
Dependent variable
200
the smallest component of an element DAILY DOUBLE
atom
300
Breaking glass is a ______ change.
physical change
300
state of matter with no definite volume & no definite shape
Liquids or gas
300
Compounds _______ (can/cannot) be separated by physical means.
Cannot- separating a compound requires a chemical reaction
300
The variables that stay the same is the ____.
Control
300
The ability of one material to dissolve in another
solubility
400
A nail rusting is an example of a _____.
Chemical change
400
State of matter with definite shape and volume
solid
400
Sugar is a ____ (element, compound, or mixture)
compound
400
List any 4 steps in the scientific method
Question/Problem, Hypothesis, Materials, Procedures, Data Collection, Conclusion
400
The amount of space a material occupies
Volume
500
Why is an apple turning brown an example of a chemical change.
"Oxidation" the apple is reacting to the oxygen in the air which makes it a chemical reaction. (like rust)
500
What is the law of conservation of mass
Mass can neither be created nor destroyed. It must stay the same before and after the reaction.
500
TRUE or FALSE - The properties of a compound are usually different the the properties of the elements it contains.
TRUE
500
Why is it important to only have one independent variable? DAILY DOUBLE
You should only change one thing in your experiment so you can have accurate results.
500
Mass per unit volume of a substance
Density