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ACT Prep (English) Practice Questions With 100% ALL DETAILED
CORRECT ANSWERS
Pre
Terms in this set (293)
Snowflakes form from tiny water droplets, following a specific process of chemical bonding as they
freeze, which results in a six-sided figure.
A A. No change
B. form, from tiny, water droplets,
C. form from tiny, water, droplets
D. form, from tiny water droplets
The rare "triangular" snowflake, similarly, confounded scientists for years because it apparently
defied the basic laws of chemistry.
J F. No change
G. for example,
H. additionally,
J. however,
ACT Prep (English) Practice Questions
,8/6/24, 1:58 PM
The seemingly triangular shape of those snowflakes suggests that forming through a different
process of chemical bonding.
D A. No change
B. the manner in which formation
C. which had formed
D. that they form
By re-creating snowflake formation, a discovery has revealed to scientists Kenneth Libbrecht and
Hannah Arnold the cause of this apparent variation.
F. No change
G. the discovery of the cause of this apparent variation has been made by scientists Kenneth
H
Libbrecht and Hannah Arnold
H. scientists Kenneth Libbrecht and Hannah Arnold have discovered the cause of this apparent
variation.
J. the cause of this apparent variation has been discovered by scientists Kenneth Libbrecht and
Hannah Arnold
Snowflakes begin to form when water in the atmosphere freezes it causes the water molecules to
bond into a hexagonal shape.
B A. No change
B. freezes, causing
C. freezes, it causes
D. freezes, this causes
During the flake's descent from Earth's upper atmosphere, other water vapor molecules bumps into
the hexagonal structure.
J F. No change
G. has bumped
H. bumped
J. bump
, 8/6/24, 1:58 PM
Bypassing the liquid water phase, those molecules condense directly onto the established
hexagonal pattern. As a result, the flake grows outward into bigger and more complex hexagonal
arrangements surrounding the original hexagonal shape at the center of the flake.
If the writer were to delete the portion (adjusting the capitalization as needed), the sentence could
B primarily lose:
A. an explanation of the process water molecules undergo to change from liquid to vapor to solid.
B. a detail that mentions a step some water molecules skip in changing from vapor to solid.
C. a visual description of what water vapor molecules look like.
D. an explanation of how molecules react to various air temperatures.
In 2009, Libbrecht and Arnold's experiments revealed that triangular snowflakes begin with the same
process of chemical bonding and forms a hexagonal shape.
J F. No change
G. were they to form
H. if they formed
J. form
The triangular shape is an illusion resulting from one significant addition to the process dust.
A. No change
C
B. process is
C. process:
D. process;
Triangular snowflakes begin to form when a tiny dust particle or other such impurity collides with the
flake as it falls, thereby pushing one edge upward. The greater the pressure from the wind, causes
bonds to form quick at this edge than in the rest of the snowflake.
F. No change
G. pressure from the wind, which
J and B H. the pressure, as the wind
J. pressure from the wind
A. No change
B. more quickly
C. most quickly
D. quickest
ACT Prep (English) Practice Questions With 100% ALL DETAILED
CORRECT ANSWERS
Pre
Terms in this set (293)
Snowflakes form from tiny water droplets, following a specific process of chemical bonding as they
freeze, which results in a six-sided figure.
A A. No change
B. form, from tiny, water droplets,
C. form from tiny, water, droplets
D. form, from tiny water droplets
The rare "triangular" snowflake, similarly, confounded scientists for years because it apparently
defied the basic laws of chemistry.
J F. No change
G. for example,
H. additionally,
J. however,
ACT Prep (English) Practice Questions
,8/6/24, 1:58 PM
The seemingly triangular shape of those snowflakes suggests that forming through a different
process of chemical bonding.
D A. No change
B. the manner in which formation
C. which had formed
D. that they form
By re-creating snowflake formation, a discovery has revealed to scientists Kenneth Libbrecht and
Hannah Arnold the cause of this apparent variation.
F. No change
G. the discovery of the cause of this apparent variation has been made by scientists Kenneth
H
Libbrecht and Hannah Arnold
H. scientists Kenneth Libbrecht and Hannah Arnold have discovered the cause of this apparent
variation.
J. the cause of this apparent variation has been discovered by scientists Kenneth Libbrecht and
Hannah Arnold
Snowflakes begin to form when water in the atmosphere freezes it causes the water molecules to
bond into a hexagonal shape.
B A. No change
B. freezes, causing
C. freezes, it causes
D. freezes, this causes
During the flake's descent from Earth's upper atmosphere, other water vapor molecules bumps into
the hexagonal structure.
J F. No change
G. has bumped
H. bumped
J. bump
, 8/6/24, 1:58 PM
Bypassing the liquid water phase, those molecules condense directly onto the established
hexagonal pattern. As a result, the flake grows outward into bigger and more complex hexagonal
arrangements surrounding the original hexagonal shape at the center of the flake.
If the writer were to delete the portion (adjusting the capitalization as needed), the sentence could
B primarily lose:
A. an explanation of the process water molecules undergo to change from liquid to vapor to solid.
B. a detail that mentions a step some water molecules skip in changing from vapor to solid.
C. a visual description of what water vapor molecules look like.
D. an explanation of how molecules react to various air temperatures.
In 2009, Libbrecht and Arnold's experiments revealed that triangular snowflakes begin with the same
process of chemical bonding and forms a hexagonal shape.
J F. No change
G. were they to form
H. if they formed
J. form
The triangular shape is an illusion resulting from one significant addition to the process dust.
A. No change
C
B. process is
C. process:
D. process;
Triangular snowflakes begin to form when a tiny dust particle or other such impurity collides with the
flake as it falls, thereby pushing one edge upward. The greater the pressure from the wind, causes
bonds to form quick at this edge than in the rest of the snowflake.
F. No change
G. pressure from the wind, which
J and B H. the pressure, as the wind
J. pressure from the wind
A. No change
B. more quickly
C. most quickly
D. quickest
