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Chemistry (physical and chemical, elements/compounds/mixtures) Flashcards | StudBud
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Chemistry (physical and chemical, elements/compounds/mixtures)
Chemistry (physical and chemical, elements/compounds/mixtures)
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#8thgradechemistry
Flashcards
32 cards
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Questions
32
Answers
1
Adding blue dye to water and creating blue water is a
Chemical Change
No Change
Physical Change
2
Mrs. Kremer stretching a rubber band into the shape of the Eiffel Tower is a
Physical Change
No Change
Chemical Change
3
What type of change occurs if you are burning wood or any object?
Physical Change
No Change
Chemical Change
4
Physical Properties can be . . . .
measured
Both!
observed
5
When you use your senses to determine CHARACTERISTICS about an object or substance
Chemical Property
Physical Property
6
Elements are the simplest subsances
False
True
7
Evaporation is when a
a liquid becomes a gas
A solid becomes a solid
A solid becomes a liquid
A gas becomes a liquid
8
Every form of matter has these kinds of properties
Physical
Chemical
Both
9
Alexis and Javier had rust on their bikes. This is a
No Change
Physical Change
Chemical Change
10
Condensation is when a
A gas becomes a gas
A solid becomes a liquid
A liquid becomes a gas
a gas becomes a liquid
11
New substances are formed when matter undergoes a
change in temperature
chemical change
change in shape
physical change
12
The ability to dissolve in water and to conduct electricity are examples of
chemical properties
physical properties
13
A Banana changing color as it is becoming older is a
No Change
Physical Change
Chemical Change
14
Water (H2O) is an example of
a heterogeneous mixture
a compound
a homogeneous mixture
an element
15
Glucose is C6H12O6, what number and types of atoms are in the formula
6 Calcium atoms, 12 Helium atoms and 6 Oxygen atoms
6 Carbon atoms, 12 Hydrogen atoms and 6 Oxygen atoms
1 Carbon atom 6 Hydrogen atoms and 12 Oxygen atoms
You crazy
16
A compound is 2 or more of these put together
homogeneous mixtures
thingamajiggers
elements
heterogeneous mixtures
17
Which of the following involves a chemical change
water freezing
a glass breaking
dry ice sublimes to become carbon dioxide gas
2 substances combine and form a 3rd substance
18
Sculpting green clay into a clay bowl is a
Physical Change
Chemical Change
No Change
19
Which is not an example of a homogeneous mixture?
Milk
Water
Jello
A bag of M&M's
20
Chewing your food is an example of a
No Change
Physical Change
Chemical Change
21
Changing eggs, flour, and chocolate into a delicious cake is a
No Change
Chemical Change
Physical Change
22
Digesting your food is an example of a
No Change
Chemical Change
Physical Change
23
This is when a liquid becomes a gas involving HOT temperatures and BUBBLES!
Broiling
Oiling
Soiling
Boiling
24
What change occurs if you cut your hair?
Chemical Change
No Change
Physical Change
Explosion
25
I can look up vocabulary definitions
all of these
on the class website
in the book
in my notes
26
When a SOLID changes into a LIQUID it is called
Boiling
Condensation
Melting
Freezing
27
ENERGY is anything that has a mass and takes up space
False
True
28
Changing a Sheep's wool into a blue wool sweater is a
Chemical Change
No Change
Physical Change
29
Which is an example of Heterogeneous Mixture
All of the above
A bowl of Chex Mix
A bowl of M&Ms
A bowl of mixed nuts
30
A MIXTURE is made of 2 or more elements CHEMICALLY combined
False
True
31
When matter changes it's state (like water to ice) it is a
No Change
Physical Change
Chemical Change
32
Color, Shape, Size , Mass, Volume, Density are ALL. . .
Stuff
Physical Properties
Chemical Properties
Not Important
