Certify Teacher Practice Exam Life Science 7-12 Questions And Correct Answers.
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which method is the appropriate method for disposing of the dissected frogs? - Answer Wrapped in plastic bags and placed in the regular trash for disposal
When students were measuring the mass of the heart in grams, which tool should students use to be precise? - Answer an electric digital...
Certify Teacher Practice Exam Life
Science 7-12 Questions And Correct
Answers.
which method is the appropriate method for disposing of the dissected frogs? - Answer Wrapped in
plastic bags and placed in the regular trash for disposal
When students were measuring the mass of the heart in grams, which tool should students use to be
precise? - Answer an electric digital scale
The students were tasked with determining the average size of the organs of 6'' frogs. they repeated the
measurement of the mass of the heart three times in each group to ensure accuracy. All groups in the
class gave their data,which resulted in 8 frog hearts being measured as well as other organs. once all the
body parts are measured and the averages were found the class had an average size for the anatomical
parts of 6'' frogs. in order to communicate their findings which of the following is the best method to use
during a class presentation? - Answer Bar graphs on a display board
Laser Radiation - Answer
oxidizing agent - Answer
toxic - Answer
risk of explosion - Answer
non-ionizing radiation - Answer
radioactive - Answer
compressed gas - Answer
, which of the following best explains the differences between the groups in the amount of soil collected
at the bottom of the tray in the experiment? - Answer Because the directions did not specify the
volume of the water or rate in which students were to pour the water the variance in the force of the
water between groups most likely caused the difference in the results
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? - Answer ms.chung wanted students to notice
the variance in results and develop for the variance and analyze errors in the experimental design
The table above shows the time it took trees of the same type and size to drop all of their leaves,after
being grown in different atmospheres. for the experiment to be valid which of these must be constant
for all the trees? - Answer the amount of water available to all trees during the experiment
in what two ways is the simplified model different from the real solar system? - Answer the real solar
system is in 3D and the planets are much larger
oil is spilled onto water from an oceangoing tanker.investigators want to know whether wave motion will
help dispense the oil. design the experiment that they can carry out in the laboratory to find out
whether wave motion will help dispense the oil. - Answer put food coloring in a tub filled with
water,simulate artificial waves and check if the waves dispensed in the oil.
you want to cook an egg in BOILING WATER at the top of a mountain that is much higher than where you
normally live what if anything would you change in your normal cooking procedures in order to cook the
egg to the same hardness? - Answer cook it for a longer time
makes claims that can be tested and verified - Answer good scientific ethics
based on experiments that cannot be reproduced by others - Answer bad scientific ethics
does not appear alarming in the face of the broad existing body of scientific knowledge - Answer good
scientific ethics
comes from overconfident fringe experts - Answer bad scientific ethics
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