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Matter/chem And Phys Reactions
Test Description: Matter
Instructions: Answer all questions to get your test result.
1) which is a physical change
A
burning
B
cooking
C
mixing chemicals for explosions
D
changing shape
2) which is a chemical change
A
ripping paper
B
changing shape
C
breaking glass
D
baking a cake
3) this is less dense than water
A
large tree
B
oil
C
elephants
D
all rocks
4) which is the densest?
A
corn syrup
B
water
C
oil
D
honey
5) Which is a chemical change?
A
Burning wood AND digesting Food
B
cutting paper
C
burning wood
D
digesting food
6) Which is NOT evidence that a chemical change has taken place
A
takes in or gives off heat
B
a smell is produced
C
changes into a solution
D
change in color
7) this is a chemical change
A
chewing food
B
squishing play dough
C
making a paper airplane
D
digesting food
8) this is a physical change
A
frying an egg
B
baking a cake
C
lighting a candle
D
squishing play dough
9) mixtures are always this (like salt and water, sugar and water, making lemonade)
A
physical changes
B
very bad
C
always a food or drink
D
chemical changes
10) molecules are most spread apart in this state
A
solid
B
liquid
C
anything at absolute 0 temperatures
D
gas
11) the term for the amount of space something takes up
A
mass
B
density
C
matter
D
volume
12) What is the best description for something that goes through a chemical change
A
The physical properties of a substance are changed.
B
The type of matter in the substance remains unchanged.
C
a new substance is created
D
A substance goes through a physical change.
13) What term is used to identify a mixture that has the same composition throughout?
A
solution
B
compound
C
element
D
mixture
14) If you place baking soda on an unknown liquid, and the liquid begins to fizz, you can conclude that the liquid is MOST LIKELY
A
toxic
B
an acid
C
dangerous
D
a base
15) Which term or phrase best describes what happens when a tomato rots?
A
chemical change
B
evaporation
C
solid change
D
physical change
16) chemical or physical? (mixing sugar and water)
A
evaporation
B
no change
C
chemical change
D
physical change
17) A cup holds 120 grams of liquid water and 100 grams of ice. What is a reasonable mass for the water in the cup after the ice melts?
A
100 grams
B
20 grams
C
500 grams
D
220 grams
18) What happens to water as it evaporates?
A
it's mass becomes more
B
it becomes frozen molecules again
C
it's mass becomes less
D
it's mass will always stay the same, but volume will increase
19) Riley and Jill are studying what happens to matter when it changes state. They found this list of statements. Which of these statements is true?
A
When matter changes state, its boiling point might also change.
B
When matter changes state, its mass changes.
C
When matter changes state, its mass remains the same.
D
When matter changes state, the space between particles in the matter stays the same.
20) Physical of Chemical cooking an egg?
A
you can't tell
B
chemical
C
physical
D
it can be both
*select an answer for all questions
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