ATI TEAS PRACTICE SCIENCE
TEST EXAM 2026 QUESTIONS
AND VERIFIED SOLUTIONS
GRADED A+
Mrs. Jones's class conducted an experiment on the effects of sugar and artificial sweetener on the
cookies recipe's overall color when baked. What would be the independent variable in the cookie
experiment?
A. The students would use the same ingredients in both recipes, but bake the cookies with sugar
at 450 degrees and those with artificial sweetener at 475 degrees. They should increase the
baking time on the artificial sweetener cookies, since the package instructs them to do so.
B. The students should use the same. ingredients in both recipes, but increase the baking time on
the artificial sweetener cookies, since the package instructs them to do so.
C. The students should use the same ingredients, same baking temperatures, and same baking
times for both recipes.
D. The students should use the same ingredients and making times in both recipes, but bake the
cookies with sugar at 450 degrees and the artificial sweetener cookies at 475 degrees.
C.
The independent variable that is changed in the experiment in order to determine its effect on the
dependent variable or the outcome of the experiment.
- The dependent variable result from the experimenter making only one change to an experiment
that can be repeated with the same results.
Which part of the cell is often called the cell "power house" because it provides energy for
cellular functions?
A. nucleus
B. cell membrane
C. mitochondria
,D. cytoplasm
C. Mitochondria
Mitochondria are often called the power house fo the cell because they provide energy for the
cell to function.
- The nucleus is the control center for the cell.
- The cell membrane surrounds the cell and separates the cell from its environments.
- Cytoplasm is the thick fluid within the cell membrane that surrounds the nucleus and contains
organelles.
What functions do ribosomes serve within the cell?
A. ribosomes are responsible for cell movement.
B. ribosomes aid in protein synthesis
C. ribosomes help protect the cell from its environment
D. ribosomes have enzymes that help with digestion
B. Ribosomes are organelles that help synthesize proteins within the cell.
- Cilia and flagella are responsible for cell movement.
- The cell membrane helps the cell maintain its shape and protects it from the environment.
- Lysosomes have digestive enzymes.
What is the most likely reason that cells differentiate?
A. Cells differentiate to avoid looking like all the cells around them.
B. Cells differentiate so that simple, non-specialized cells can become highly specialized cells
C. Cells differentiate so that multicellular organs will remain the same size
D. Cells differentiate for no apparent reason.
B. Cells differentiate so that simple, less specialized cells can become highly specialized cells.
,How is meiosis similar to mitosis?
A. both produce daughter cells that are genetically identical
B. both produce daughter cells that are genetically different
C. both occur in humans, animals, and plants
D. both occur asexually
C. Both meiosis and mitosis occur in humans, animals, and plants.
- Mitosis produces cells that are genetically identical, and meiosis produces cells that are
genetically different.
The first four steps on the scientific method are as follows:
I. Identify the problem.
II. Ask questions.
III. Develop a hypothesis.
Iv. Collect data and experiment on that data.
Which of the following is the fifth step in the scientific method?
A. Observe the data.
B. Analyze the results.
C. Measure the data.
D. Develop a conclusion.
B. Analyze the results.
- There are six steps in the scientific process. The results of step four must be analyzed before
reaching the final step. "Develop a conclusion."
, Which of the following is FALSE regarding the use of qualitative and quantitative data in
scientific research?
A. Quantitative data is collected through numerical measurements.
B. Quantitative data is more accurate than qualitative data.
C. Qualitative data is focused on perspectives and behavior.
D. Qualitative data is collected through observation and interviews.
B. Quantitative data is more accurate than qualitative data.
The two types of measurement important in science are qualitative (When a numerical result is
used) and qualitative (when descriptions or qualities are reported).
- Qualitative data is collected through observation and interviews, and focuses on the informant's
behavior and perspectives.
THE NEXT QUESTION REFERS TO THE FOLLOWING GRAPHICS:
The chart above shows the average snowfall in inches for a two on Michigan's Upper Peninsula,
during the months November through April. Which of the following can be concluded based on
the information that is provided in the chart?
A. April is not a good month to go skiing in the Upper Peninsula.
B. Snowfall blocks the sunshine reduces the number of sunny days.
C. The fewest sunny days occur in the months with the heaviest snowfall.
D. There is no connection between the amount of snowfall and the number of sunny days.
C.
The chart shows two specific changes: snowfall levels from November to April and sunny days
from November to April.
TEST EXAM 2026 QUESTIONS
AND VERIFIED SOLUTIONS
GRADED A+
Mrs. Jones's class conducted an experiment on the effects of sugar and artificial sweetener on the
cookies recipe's overall color when baked. What would be the independent variable in the cookie
experiment?
A. The students would use the same ingredients in both recipes, but bake the cookies with sugar
at 450 degrees and those with artificial sweetener at 475 degrees. They should increase the
baking time on the artificial sweetener cookies, since the package instructs them to do so.
B. The students should use the same. ingredients in both recipes, but increase the baking time on
the artificial sweetener cookies, since the package instructs them to do so.
C. The students should use the same ingredients, same baking temperatures, and same baking
times for both recipes.
D. The students should use the same ingredients and making times in both recipes, but bake the
cookies with sugar at 450 degrees and the artificial sweetener cookies at 475 degrees.
C.
The independent variable that is changed in the experiment in order to determine its effect on the
dependent variable or the outcome of the experiment.
- The dependent variable result from the experimenter making only one change to an experiment
that can be repeated with the same results.
Which part of the cell is often called the cell "power house" because it provides energy for
cellular functions?
A. nucleus
B. cell membrane
C. mitochondria
,D. cytoplasm
C. Mitochondria
Mitochondria are often called the power house fo the cell because they provide energy for the
cell to function.
- The nucleus is the control center for the cell.
- The cell membrane surrounds the cell and separates the cell from its environments.
- Cytoplasm is the thick fluid within the cell membrane that surrounds the nucleus and contains
organelles.
What functions do ribosomes serve within the cell?
A. ribosomes are responsible for cell movement.
B. ribosomes aid in protein synthesis
C. ribosomes help protect the cell from its environment
D. ribosomes have enzymes that help with digestion
B. Ribosomes are organelles that help synthesize proteins within the cell.
- Cilia and flagella are responsible for cell movement.
- The cell membrane helps the cell maintain its shape and protects it from the environment.
- Lysosomes have digestive enzymes.
What is the most likely reason that cells differentiate?
A. Cells differentiate to avoid looking like all the cells around them.
B. Cells differentiate so that simple, non-specialized cells can become highly specialized cells
C. Cells differentiate so that multicellular organs will remain the same size
D. Cells differentiate for no apparent reason.
B. Cells differentiate so that simple, less specialized cells can become highly specialized cells.
,How is meiosis similar to mitosis?
A. both produce daughter cells that are genetically identical
B. both produce daughter cells that are genetically different
C. both occur in humans, animals, and plants
D. both occur asexually
C. Both meiosis and mitosis occur in humans, animals, and plants.
- Mitosis produces cells that are genetically identical, and meiosis produces cells that are
genetically different.
The first four steps on the scientific method are as follows:
I. Identify the problem.
II. Ask questions.
III. Develop a hypothesis.
Iv. Collect data and experiment on that data.
Which of the following is the fifth step in the scientific method?
A. Observe the data.
B. Analyze the results.
C. Measure the data.
D. Develop a conclusion.
B. Analyze the results.
- There are six steps in the scientific process. The results of step four must be analyzed before
reaching the final step. "Develop a conclusion."
, Which of the following is FALSE regarding the use of qualitative and quantitative data in
scientific research?
A. Quantitative data is collected through numerical measurements.
B. Quantitative data is more accurate than qualitative data.
C. Qualitative data is focused on perspectives and behavior.
D. Qualitative data is collected through observation and interviews.
B. Quantitative data is more accurate than qualitative data.
The two types of measurement important in science are qualitative (When a numerical result is
used) and qualitative (when descriptions or qualities are reported).
- Qualitative data is collected through observation and interviews, and focuses on the informant's
behavior and perspectives.
THE NEXT QUESTION REFERS TO THE FOLLOWING GRAPHICS:
The chart above shows the average snowfall in inches for a two on Michigan's Upper Peninsula,
during the months November through April. Which of the following can be concluded based on
the information that is provided in the chart?
A. April is not a good month to go skiing in the Upper Peninsula.
B. Snowfall blocks the sunshine reduces the number of sunny days.
C. The fewest sunny days occur in the months with the heaviest snowfall.
D. There is no connection between the amount of snowfall and the number of sunny days.
C.
The chart shows two specific changes: snowfall levels from November to April and sunny days
from November to April.
