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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
changing shape
B
mixing chemicals for explosions
C
cooking
D
burning
2) which is a chemical change
A
baking a cake
B
breaking glass
C
ripping paper
D
changing shape
3) this is less dense than water
A
elephants
B
large tree
C
all rocks
D
oil
4) which is the densest?
A
water
B
corn syrup
C
oil
D
honey
5) Which is a chemical change?
A
burning wood
B
digesting food
C
cutting paper
D
Burning wood AND digesting Food
6) Which is NOT evidence that a chemical change has taken place
A
takes in or gives off heat
B
change in color
C
changes into a solution
D
a smell is produced
7) this is a chemical change
A
making a paper airplane
B
chewing food
C
squishing play dough
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
very bad
B
chemical changes
C
always a food or drink
D
physical changes
10) molecules are most spread apart in this state
A
gas
B
anything at absolute 0 temperatures
C
solid
D
liquid
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
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
compound
B
element
C
solution
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
a base
B
dangerous
C
an acid
D
toxic
15) Which term or phrase best describes what happens when a tomato rots?
A
evaporation
B
solid change
C
physical change
D
chemical change
16) chemical or physical? (mixing sugar and water)
A
no change
B
chemical change
C
evaporation
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
20 grams
D
100 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 will always stay the same, but volume will increase
D
it's mass becomes less
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
physical
B
chemical
C
it can be both
D
you can't tell
*select an answer for all questions
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