Certify Teacher Core Subjects (Science)
Questions and Correct Answers
If Sarah switched the lens from low power to high power, what
would she see in the field of view? Ans: fewer cells than with the
low-power view, but in greater detail
Which of the following is equivalent to 28 grams? Ans: 28,000
milligrams
Which of the following is the equivalent of 500 milliliters? Ans: 0.5
liters
Why do you believe Ms. Chung chose to design a lesson where
students would conduct an experiment where the results would
vary greatly between groups? Ans: Ms. Chung wanted students to
notice the variance in results and develop explanations for the
variance and analyze errors in the experimental design.
After determining the mass of three different balls, Libby dropped
each one into a graduated cylinder and recorded the results in the
table shown above.
According to her table — Ans: The ball with the largest mass sank
the lowest.
Why should the teacher instruct students never to seal a test tube
when it is being heated? Ans: Sealing a test tube being heated puts
the contents under pressure and is not safe.
Sixth graders in Mr. Miller's science class have been learning about
an instrument used to measure acceleration forces - the
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accelerometer. Ans: The accelerometer can protect the hard drive
in my tablet from damage if I accidently dropped it while using it.
The accelerometer can save my mom's life by deploying the
airbags if she got into a car accident.
The accelerometer in my dad's smartphone helps him lay tile
aligned straight and flat on the floor.
The accelerometer in my sister's tablet is what changes the display
from portrait to landscape and vice versa.
The accelerometer in the gadget my mom wears in her wrist tells
her how long of a distance she's walked and even how many steps
she's taken.
How have technology and medicine changed the population
growth and how has this impacted the issues faced in society?
Ans: Technology and medicine have decreased death rates, which
has caused increased water and fuel usage.
All of the following are factors that contribute to the increasing
rapid population growth except — Ans: "...increase in the amount
of pollution."
How can El Niño be used to predict short term climate change?
Ans: El Niño is a repeating pattern of warm water that has similar
results every cycle.
Pendulum Investigation - Class Experimental Results Ans: Mass is
an independent variable; period is a dependent variable.
Earth is a working system involving many structures, cycles and
processes. Which of the following is not an example of a structure
within Earth's system? Ans: animals
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Which of the following questions about ecosystems is asked at the
analyzing level of Bloom's Taxonomy? Ans: What can you infer
about an aquatic ecosystem when an invasive species takes over
the area?
Before beginning a unit on electrical circuits, a teacher would like
to know what prior knowledge the students have regarding the
content. Which of the following would give the teacher the best
information as to what each individual student's prior knowledge
is about circuits? Ans: Have students draw and label a complete
electrical circuit and provide a written explanation on how circuits
work.
Ms. Porter is utilizing a discrepant event with her fourth-grade
students to introduce the concept of density... What is the likely
outcome of using these types of activities and strategies with
students? Ans: These types of activities are likely to encourage
students to develop higher-order thinking skills to confront
common misconceptions they have about science concepts in
everyday life.
Ms. Molina's sixth graders will be tested in science on the
upcoming STAAR test. She fears the students will be tested over
information she has not had time to teach in the busy school year.
With two months remaining before the STAAR test, which of the
following is the best approach for use of the remaining time? Ans:
Select the objectives from the remaining curriculum that students
are struggling with and teach those objectives with activities
designed to deepen student understanding.
A fifth-grade teacher assigns an investigation to figure out which
solid, granulated sugar grains or a sugar cube, would dissolve the
quickest in water... Which of the following describes the type of
lesson the teacher prepared and implemented to teach this
concept? Ans: an experimental inquiry based lesson where
students have to think, question and carry out the lesson
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