Transcript Test Review

Test Review
Test on
Friday Oct. 8
Two liquids are poured together
• Is this a physical or
chemical change
and why?
Two liquids are poured together
• Is this a physical or
chemical change
and why?
• Chemical two clear
liquids should not
make a yellow liquid,
unexpected color
change.
A nail is left outside for two
weeks
• Is this a physical or
chemical change
and why?
A nail is left outside for two
weeks
• Is this a physical or
chemical change
and why?
• The nail is iron,
when left outside a
chemical change
occurs and iron
oxide occurs.
Creating a volcano
• Is this a physical or
chemical change
and why?
Creating a volcano
• Is this a physical or
chemical change
and why?
• This is a chemical
change, baking soda
and vinegar
produces a gas.
The snow flake lab
• Is this a physical or
chemical change
and why?
• This is a chemical
change, two clear
liquids mixed form a
white precipitate.
Chemical changes form a new
substance.
• List 3 chemical
change
Chemical changes form a new
substance.
• List 3 chemical
change
• The statue of liberty
turning green.
• Silver rusting
• A match burning
Physical changes do not result in
the formation of something new.
• List 3 physical
changes
Physical changes do not result in
the formation of something new.
• List 3 physical
changes
• Ice melting
• Bending a paperclip
• Making salt water
Heating a sugar cube.
• What is the best
evidence that the
sugar has been
chemically
changed?
Heating a sugar cube.
• What is the best
evidence that the
sugar has been
chemically
changed?
• It turned black when
it was burned.
Ways to know that something has
been chemically changed.
• List 5 ways you
know a chemical
change has
occurred.
Ways to know that something has
been chemically changed.
• List 5 ways you
know a chemical
change has
occurred.
• Not easily reversed.
• Production of gas.
• Change in
temperature.
• Formation of a
precipitate.
• Unexpected color
change.
Exciting Eggs
• What ways can you
chemically change
an egg?
Exciting Eggs
• What ways can you
chemically change
an egg?
• Boil it.
• Fry it.
• Bake it.
Plants and chemical change.
• What is the most
prominent evidence
that plants are
capable of chemical
changes.
Plants and chemical change.
• What is the most
prominent evidence
that plants are
capable of chemical
changes.
• Plants change
sunlight into sugar.
Chemical change in the kitchen
• List some chemical
changes that go on
in the kitchen.
Chemical change in the kitchen
• List some chemical
changes that go on
in the kitchen.
• Baking a cake.
• Baking bread.
• Digesting your food.
More physical changes.
• Joe got up late one
morning only to find
the dog had
shredded his
homework. He went
to check and see if
the clothes he hung
up last night were
dry only to find they
were still wet.
Running late and
• Are the changes in
red physical or
chemical changes.
• Shredded
homework.
• Clothes drying.
• Flat tire.
More physical changes.
• Joe got up late one
morning only to find
the dog had
shredded his
homework. He went
to check and see if
the clothes he hung
up last night were
dry only to find they
were still wet.
Running late and
• Are the changes in
red physical or
chemical changes.
• Shredded
homework. Physical
• Clothes drying.
Physical
• Flat tire. Physical
Reviewing CCAP 1
• 6.5 A
• 2. Which element is not part of the compound
Al2(CO3)3? A. Al
• B. Co
• C. C
• D. O
Reviewing CCAP 1
• 6.5 B
• 12. What is the most abundant element in the
Earth’s crust?
•
A. Silicon
•
B. Oxygen
•
C. Aluminum
•
D. Iron
•
Reviewing CCAP 1
• 6.5C
• 13. When two substances react chemically, a
new substance is formed. This new
substance is a(n) —
A. element
B. mixture
C. solution
D. compound
Reviewing CCAP 1
• 6.5 B
• 18. When magnesium (Mg) metal is burned in
the presence of Oxygen (O2), magnesium oxide
(MgO) is produced. The properties of
magnesium oxide are different than the individual
properties of magnesium and oxygen because
magnesium oxide is --•
A. a solution
•
B. a mixture
•
C. a compound
•
D. an element