Vocabulary
Clues to a Chemical Change
Physical vs. Chemical Change
Physical Change vs. Chemical Change Part 2
Elements vs Compounds
100
A change in which a substance becomes a new substance is called....
a chemical change?
100
Name the 5 evidences to a chemical change.
(CGLTP) temperature change, color change, production of a precipitate, production of a gas, production of heat and light?
100
Rotting eggs are an example of a _____ change.
chemical change
100
The melting of butter is an example of a _____ change.
physical change
100
NaCl is an element or compound?
Compound, it has two elements Na- Sodium, Cl- Chlorine
200
A substance made up of two or more elements is called.....
Compound
200
Explain all the clues that burning paper is a chemical change.
change in color,
production of a gas (smoke),
creating a new substance (ash),
and it is unable to be reversed?
200
Baking cupcakes are an example of a ____ change.
chemical change
200
The apple turning brown is an example of a ____ property.
chemical change
200
A compound is defined as
a substance made of two or more elements CHEMICALLY combined or seperated
300
What is the Country stand for in Country Girls Love Their Ponies?
color change
300
The sign of a chemical change when a solid substance is created while two liquids are being formed is a....
precipitate (PONIES)
300
Boiling water is an example of a ____ change.
physical change
300
Glass breaking is an example of a _____ change.
physical change
300
Mixtures are different from compound because
Mixtures are physically separated/combined
Compounds are chemically separated/ combined
400
Evidence of a new substance formed from a chemical change: includes bubbles, fizzing, or odor change. This is called?
production of a gas (Girls)
400
What signs of chemical change would be present in a baking soda and vinegar reaction?
What is bubbles, production of a gas, and slight temperature change?
400
Freezing liquid is an example of a _____ change.
physical change
400
Making fresh lemonade is a
chemical change
400
Find the name of the element for Rh.
Ruthenium
500
Evidence of a new substance formed from a chemical change: 2 liquids combine to make a solid is called.....
production of a precipitate (ponies)
500
Explain the difference between a physical change and a chemical change.
Physical changes are simply changes to an object's appearance or state of matter.
Chemical changes produce a new substance and are very difficult to reverse.
500
A lit sparkler is an example of a _____ change.
chemical change
500
Leaves changing color is an example of a ______ change.
physical change
500
Sugar is C12H22O11. Is this an element or compound and why?
Bonus: What is the name for each symbol?
Compound- it has 3 elements.
C- Carbon
H- Hydrogen
O- Oxygen