NAS 2 CHALLENGE EXAM 2026 QUESTIONS
WITH ANSWERS GRADED A+
◉ Identify the purpose of the scientific method. Answer: 1.Ask a
question
2.Do Background research
3 Construct a hypothesis
4.test your hypothesis by doing an experiment
5 analyze your data and draw a conclusion
6. Communicate your results
◉ What is the difference between an independent variable and and
dependent variable. Answer: Value of an independent can be changed.
You cannot change the value of dependent variable. the independent
variable is the value which is manipulated in an experiment. The
dependent variable is compared to the control group, which does not
recieve the test variable
◉ Anatomy. Answer: The study of structure and shape of the body and
its parts and relation to one another
, ◉ Physiology. Answer: Study of how the body and its parts work or
function
◉ Six Levels of organization. Answer: 1. Chemicals (atoms and
molecules)
2. Cellular
3. Tissue
4. Organ
5. Organ system
6. Organismal
◉ Identify Requirements for Life. Answer: The ability to :maintain one's
boundaries, move ,respond to stimuli,digest food, metabolize,excrete
waist,reproduce,grow
◉ Identify survival needs. Answer: 1. Nutrients
2. Oxygen
3. Water
4. Appropriate temperture
5. Appropriate atmospheric pressure
◉ Homeostasis. Answer: A balance in which internal conditions change
and very but always within relatively narrow limits
WITH ANSWERS GRADED A+
◉ Identify the purpose of the scientific method. Answer: 1.Ask a
question
2.Do Background research
3 Construct a hypothesis
4.test your hypothesis by doing an experiment
5 analyze your data and draw a conclusion
6. Communicate your results
◉ What is the difference between an independent variable and and
dependent variable. Answer: Value of an independent can be changed.
You cannot change the value of dependent variable. the independent
variable is the value which is manipulated in an experiment. The
dependent variable is compared to the control group, which does not
recieve the test variable
◉ Anatomy. Answer: The study of structure and shape of the body and
its parts and relation to one another
, ◉ Physiology. Answer: Study of how the body and its parts work or
function
◉ Six Levels of organization. Answer: 1. Chemicals (atoms and
molecules)
2. Cellular
3. Tissue
4. Organ
5. Organ system
6. Organismal
◉ Identify Requirements for Life. Answer: The ability to :maintain one's
boundaries, move ,respond to stimuli,digest food, metabolize,excrete
waist,reproduce,grow
◉ Identify survival needs. Answer: 1. Nutrients
2. Oxygen
3. Water
4. Appropriate temperture
5. Appropriate atmospheric pressure
◉ Homeostasis. Answer: A balance in which internal conditions change
and very but always within relatively narrow limits
