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