WGU D671 Elementary Science Curriculum 2026 Practice Questions &
Verified Answers Teacher Education Prep.
Section 1: The Nature of Science & The Scientific Method (1-20)
Question 1
A 3rd-grade teacher wants students to design an experiment to test whether
plants grow better with music or without music. What is the independent variable
in this experiment?
A) The type of plant used
B) The amount of water given to each plant
C) Whether music is played or not
D) The height of the plants after two weeks
Correct Answer: C) Whether music is played or not
Rationale: The independent variable is the one factor that is intentionally changed
or manipulated by the experimenter to test its effect. In this case, the presence or
absence of music is being changed. The height of the plant (D) is the dependent
variable, while the type of plant (A) and water (B) should be controlled variables
(kept constant).
Question 2
,A student observes that ice melts faster on a metal spoon than on a plastic spoon.
Which scientific skill is the student primarily using?
A) Predicting
B) Inferring
C) Observing
D) Classifying
Correct Answer: C) Observing
Rationale: Observing involves using the senses to gather information about an
event or phenomenon. The student is directly noticing (seeing) a difference in
melting rates. Inferring (B) would involve explaining why it happens; predicting (A)
would be guessing what will happen next.
Question 3
Which of the following is the best example of a testable hypothesis?
A) "Plants are beautiful."
B) "If plants receive more sunlight, then they will grow taller."
C) "All living things need water."
D) "Science is fun."
,Correct Answer: B) "If plants receive more sunlight, then they will grow taller."
Rationale: A testable hypothesis must be specific, measurable, and falsifiable. It
must state a proposed relationship between an independent variable (sunlight)
and a dependent variable (height). Option B fits this "If...then..." structure.
Options A and D are opinions, and C is a general fact.
Question 4
A teacher wants to assess students' ability to analyze data. Which activity would
be most appropriate?
A) Having students memorize the steps of the scientific method
B) Asking students to create a bar graph from experimental results and explain
trends
C) Having students watch a video about ecosystems
D) Asking students to list the planets in order
Correct Answer: B) Asking students to create a bar graph from experimental
results and explain trends
Rationale: Analysis involves breaking down information to identify patterns,
relationships, and trends. Creating a graph and explaining what it shows requires
this higher-order thinking skill, unlike recall (A, D) or passive viewing (C).
, Question 5
Describe how skepticism contributes to the scientific method.
A) Skepticism leads to the rejection of all new ideas.
B) Skepticism encourages scientists to question assumptions and seek evidence
before accepting claims.
C) Skepticism is only important in social sciences.
D) Skepticism allows scientists to work without evidence.
Correct Answer: B) Skepticism encourages scientists to question assumptions and
seek evidence before accepting claims.
Rationale: Skepticism is a critical component of science. It means not accepting
explanations without sufficient evidence and being willing to question existing
theories, which drives scientific inquiry and prevents bias.
Question 6
A student says, "The moon disappears during the day." What is the best teacher
response to address this misconception?
A) "The moon is always in the sky, but we can’t always see it because of sunlight."
B) "The moon only comes out at night."
C) "The moon is made of cheese."
Verified Answers Teacher Education Prep.
Section 1: The Nature of Science & The Scientific Method (1-20)
Question 1
A 3rd-grade teacher wants students to design an experiment to test whether
plants grow better with music or without music. What is the independent variable
in this experiment?
A) The type of plant used
B) The amount of water given to each plant
C) Whether music is played or not
D) The height of the plants after two weeks
Correct Answer: C) Whether music is played or not
Rationale: The independent variable is the one factor that is intentionally changed
or manipulated by the experimenter to test its effect. In this case, the presence or
absence of music is being changed. The height of the plant (D) is the dependent
variable, while the type of plant (A) and water (B) should be controlled variables
(kept constant).
Question 2
,A student observes that ice melts faster on a metal spoon than on a plastic spoon.
Which scientific skill is the student primarily using?
A) Predicting
B) Inferring
C) Observing
D) Classifying
Correct Answer: C) Observing
Rationale: Observing involves using the senses to gather information about an
event or phenomenon. The student is directly noticing (seeing) a difference in
melting rates. Inferring (B) would involve explaining why it happens; predicting (A)
would be guessing what will happen next.
Question 3
Which of the following is the best example of a testable hypothesis?
A) "Plants are beautiful."
B) "If plants receive more sunlight, then they will grow taller."
C) "All living things need water."
D) "Science is fun."
,Correct Answer: B) "If plants receive more sunlight, then they will grow taller."
Rationale: A testable hypothesis must be specific, measurable, and falsifiable. It
must state a proposed relationship between an independent variable (sunlight)
and a dependent variable (height). Option B fits this "If...then..." structure.
Options A and D are opinions, and C is a general fact.
Question 4
A teacher wants to assess students' ability to analyze data. Which activity would
be most appropriate?
A) Having students memorize the steps of the scientific method
B) Asking students to create a bar graph from experimental results and explain
trends
C) Having students watch a video about ecosystems
D) Asking students to list the planets in order
Correct Answer: B) Asking students to create a bar graph from experimental
results and explain trends
Rationale: Analysis involves breaking down information to identify patterns,
relationships, and trends. Creating a graph and explaining what it shows requires
this higher-order thinking skill, unlike recall (A, D) or passive viewing (C).
, Question 5
Describe how skepticism contributes to the scientific method.
A) Skepticism leads to the rejection of all new ideas.
B) Skepticism encourages scientists to question assumptions and seek evidence
before accepting claims.
C) Skepticism is only important in social sciences.
D) Skepticism allows scientists to work without evidence.
Correct Answer: B) Skepticism encourages scientists to question assumptions and
seek evidence before accepting claims.
Rationale: Skepticism is a critical component of science. It means not accepting
explanations without sufficient evidence and being willing to question existing
theories, which drives scientific inquiry and prevents bias.
Question 6
A student says, "The moon disappears during the day." What is the best teacher
response to address this misconception?
A) "The moon is always in the sky, but we can’t always see it because of sunlight."
B) "The moon only comes out at night."
C) "The moon is made of cheese."
