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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
mixing chemicals for explosions
B
burning
C
changing shape
D
cooking
2) which is a chemical change
A
baking a cake
B
changing shape
C
ripping paper
D
breaking glass
3) this is less dense than water
A
elephants
B
oil
C
all rocks
D
large tree
4) which is the densest?
A
water
B
corn syrup
C
honey
D
oil
5) why does diet soda float and regular soda sink?
A
they both sink
B
regular soda has extra weight in the can
C
regular soda has more sugar and is more dense
D
they both float
6) Which is NOT evidence that a chemical change has taken place
A
changes into a solution
B
a smell is produced
C
change in color
D
takes in or gives off heat
7) this is a chemical change
A
making a paper airplane
B
squishing play dough
C
chewing food
D
digesting food
8) this is a physical change
A
lighting a candle
B
baking a cake
C
squishing play dough
D
frying an egg
9) mixtures are always
A
very bad
B
always a food or drink
C
physical changes
D
chemical changes
10) molecules are most spread apart in this state
A
solid
B
liquid
C
gas
D
anything at absolute 0 temperatures
11) the term for the amount of space something takes up
A
volume
B
mass
C
density
D
matter
12) What is the best description for something that goes through a chemical change
A
A substance goes through a physical change.
B
The type of matter in the substance remains unchanged.
C
a new substance is created
D
The physical properties of a substance are changed.
13) What term is used to identify a mixture that has the same composition throughout?
A
element
B
mixture
C
solution
D
compound
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
a base
C
an acid
D
dangerous
15) Which term or phrase best describes what happens when a tomato rots?
A
physical change
B
chemical change
C
solid change
D
evaporation
16) If you took a zinc and copper penny, and added a lot of heat to it (such as a flame) so that you rearranged the particles to create a new metal called brass, this would be known as what type of change?
A
chemical change
B
evaporation
C
no 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
220 grams
B
500 grams
C
100 grams
D
20 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, the space between particles in the matter stays the same.
D
When matter changes state, its mass remains the same.
20) a magnet could be used to separate this type of mixture
A
water from salt
B
sand from iron pieces
C
cereal from peanuts
D
people from a pool
*select an answer for all questions
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