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TAKS Science Exam
10th and 11th Grade Student Expectations
The student is expected to:
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Safety
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1. Demonstrate safe practices during field and laboratory
investigations
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Scientific Method
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2. Plan and implement investigative procedures including
asking questions, formulating testable hypothesis, and selecting
equipment and technology
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3. Collect data and make measurements with precision
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4. Organize, analyze, evaluate, make inferences, and predict
trends from data
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5. Communicates valid conclusions
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Critical Thinking & Problem Solving
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6. Analyze, review scientific explanations, including
hypotheses and theories, as to their strengths and weaknesses using
scientific evidence and information
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7. Draw inferences based on data related to products and
services
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The student is expected to
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Cells
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1. Investigate and identify cellular processes including
homeostasis, permeablity, energy production, transportation of
molecules, disposal of wastes, function of cellular parts, and
synthesis of new molecules
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Nucleic Acids & Mechanism of Genetics
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2. Describe components of deoxyribonucleic acid (DNA), and
illustrate how information for specifying the traits of an organism is
carried in the DNA
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3. Explain replication, transcription, and translation using
models of DNA and ribonucleic acid (RNA) 11th grade
only
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4. Identify and illustrate how changes in DNA cause mutations
and evaluate the significance of these changes
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5. Compare genetic variations observed in plants and animals
10th grade only
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Taxonomy
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6. Identify characteristics of kingdoms including monerans,
protests, fungi, plants and animals
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Systems
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7. Interpret the functions of systems in organisms including
circulatory, digestive, nervous, endocrine, reproductive,
integumentary, skeletal, respiratory, muscular, excretory, and immune
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8. Compare the interrelationships of organ systems to each
other and to the body as a whole 11th grade only
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The student is expected to:
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Viruses & Bacteria
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1. Compare the structure and functions of viruses to cells
and describe the role of viruses in causing diseases and conditions
such as acquired immune deficiency syndrome, common cold, smallpox,
influenza and warts
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2. Identify and describe the role of bacteria in maintaining
health such as in digestion and causing diseases such as in
streptococcus infections and diphtheria
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Evolution
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3. Identify evidence in change in species using fossils, DNA
sequences, anatomical similarities, physiological similarities and
embryology 11th grade only
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4. Illustrate the results of natural selection in speciation,
diversity, phylogeny, adaptation, behavior and extinction
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Energy Transfer
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5. Analyze the flow of matter and energy through different
trophic levels and between organisms and the physical environment
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Ecosystems
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6. Interpret interactions among organisms exhibiting
predation, parasitism, commensalisms and mutualism
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7. Investigate and explain the interactions in an ecosystem
including food chains, food webs, and food pyramids
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Plants in the Environment
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8. Evaluate the significance of structural and physiological
adaptations of plants to their environment
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The student is expected to:
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Fluids
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1. Investigate and identify properties of fluids including
density, viscosity and buoyancy
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Periodic Table
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2. Relate the chemical behavior of an element including
bonding to its placement on the periodic table
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Elements, Compounds & Mixtures
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3. Classify samples from everyday life as being element,
compound or mixtures 10th grade only
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Physical & Chemical Change
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4. Distinguish between physical and chemical changes in
matter such as oxidation, digestion, changes in state and stages in
the rock cycle
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Conservation of Mass (balancing equations)
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5. Investigate and identify the law of conservation of mass
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Properties of Water
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6. Relate the structure of water to its function as the
universal solvent
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7.
Electrolytes : pH-electrolytic behavior
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8. Relate the concentration of ions in a solution to the
physical and chemical properties such as pH, electrolytic behavior,
and reactivity 11th grade only
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Solubility
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9. Demonstrate how various factors influence solubility
including temperature, pressure and nature of the solute and solvent
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The student is expected to:
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Calculations
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1. Calculate speed, momentum, acceleration, work, and power
in systems such as in the human body, moving toys, and machines
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Newton’s Laws
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2. Investigate and describe applications of Newton’s laws
such as in vehicle restraints, sports activities, geological processes
and satellite orbits
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Mechanical Advantage
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3. Investigate and demonstrate mechanical advantage and
efficiency of various machines such as levers, motors, wheels, axles,
pulleys and ramps
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Waves
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4. Demonstrate wave types and their characteristics through a
variety of activities such as modeling with ropes and coils,
activating tuning forks and interpreting data on seismic waves 10th
grade only
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5. Demonstrate wave interactions including interference,
polarization, reflection, refraction and resonance within various
materials 11th grade only
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Conservation of Energy
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6. Describe the law of conservation of energy
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Heat
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7. Investigate and demonstrate the movement of heat through
solids, liquids and gases by convection, conduction and radiation
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Energy Sources
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8. Investigate and compare the economic and environmental
impact of using various energy sources such as rechargeable or
disposable batteries and energy cells
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Circuits
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9. Investigate and compare series and parallel circuits
10th grade only
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