texels Life Science 7-12 Certification Exam ( Grade A+).docx

texels Life Science 7-12 Certification
Exam ( Grade A+)
Quantitative observations - CORRECT ANSWERS
✔✔Observations that can be measured
Number, length, mass, volume, etc


Qualitative observations - CORRECT ANSWERS
✔✔Observations that cannot be measured
Color, shape, texture, etc


Hypothesis - CORRECT ANSWERS ✔✔A testable
proposition that scientists can use as the basis for an
investigation
If it cannot be tested scientifically, then it is not a
hypothesis
Propose an explaination of observed natural phenomenon


Mathematical biology - CORRECT ANSWERS ✔✔Rooted
in multifaceted mathematical models inspired by complex
biological processes


Theoretical biology - CORRECT ANSWERS ✔✔Develops
and uses data from the mathematical models to develop
theoretical assessments of biological processes

,texels Life Science 7-12 Certification
Exam ( Grade A+)
What is the first law of thermodynamics state? -
CORRECT ANSWERS ✔✔That energy cannot be
created nor destroyed, it can only be transferred


How are scientific laws distinguished from facts? -
CORRECT ANSWERS ✔✔By their durability (or ability
to stay constant over time)
Facts are the observations themselves, they are never
considered final proof
Scientific laws are a generalized description of natural
phenomena over time based on multiple observations


Cell theory - CORRECT ANSWERS ✔✔States that all
living things are made up of cells
Cells can only come from other cells
Robert Hooke used a microscope to identify, describe,
and name cells


Germ theory - CORRECT ANSWERS
✔✔Microorganisms, "germs", were found everywhere and
contributed to both food spoilage and disease
Work of Louis Pasteur
Confirmed the cell theory that cells only come from other
cells

,texels Life Science 7-12 Certification
Exam ( Grade A+)

What are the driving forces of evolution? - CORRECT
ANSWERS ✔✔Descent with modification and natural
selection
Work of Charles Darwin


Structure of genetic material: - CORRECT ANSWERS
✔✔Hershey and Chase - initially confirmed that DNA
comprises the genetic material of cells
Watson and Crick - revealed that the structure of DNA is a
double helix (based off the work of Franklin)


Carl Linnaeus - CORRECT ANSWERS ✔✔Developed the
hierarchal system
Grouped species into seven levels (kingdom, phylum,
class, order, family, genus, and species)


Carl Woese - CORRECT ANSWERS ✔✔Modified
Linnaeus' hierarchal system
Redrew the taxonomic tree, added "domain" to the top of
the classification system

, texels Life Science 7-12 Certification
Exam ( Grade A+)
Precision - CORRECT ANSWERS ✔✔Refers to how close
repeated values are to one another
(On a target, all the holes are right next to each other)


Accuracy - CORRECT ANSWERS ✔✔Refers to how close
a measured value is to the true value
(On a target, all of the holes are within the same ring)


What are the seven SI units? - CORRECT ANSWERS
✔✔Meter, kilogram, second, ampere, kelvin, candela, and
mole


What are significant figures? - CORRECT ANSWERS
✔✔The non zero numbers, the zeros between them, and
the final zero


Linear scale - CORRECT ANSWERS ✔✔Shows equal
values using equal divisions
Waves or mechanical motion


Logarithmic scale - CORRECT ANSWERS ✔✔Nonlinear ,
units are written in powers of 10