TEKS Beginning in the school year 2010-2011

 

(1) Scientific processes. The student, for at least 40% of instructional time, conducts laboratory and field investigations using safe, environmentally appropriate, and ethical practices. The student is expected to: (A) demonstrate safe practices during laboratory and field investigations; and
(B) demonstrate an understanding of the use and conservation of resources and the proper disposal or recycling of materials.
Interactive Student
(B) Recycle City read the instructions to see how trash can be used
(B) Dumptown Game
 
(2) Scientific processes. The student uses scientific methods and equipment during laboratory and field investigations. The student is expected to: (A) know the definition of science and understand that it has limitations, as specified in subsection (b)(2) of this section;
(B) know that hypotheses are tentative and testable statements that must be capable of being supported or not supported by observational evidence. Hypotheses of durable explanatory power which have been tested over a wide variety of conditions are incorporated into theories;
(C) know scientific theories are based on natural and physical phenomena and are capable of being tested by multiple independent researchers. Unlike hypotheses, scientific theories are well-established and highly-reliable explanations, but they may be subject to change as new areas of science and new technologies are developed;
(D) distinguish between scientific hypotheses and scientific theories;
(E) plan and implement descriptive, comparative, and experimental investigations, including asking questions, formulating testable hypotheses, and selecting equipment and technology;
(F) collect and organize qualitative and quantitative data and make measurements with accuracy and precision using tools such as calculators, spreadsheet software, data-collecting probes, computers, standard laboratory glassware, microscopes, various prepared slides, stereoscopes, metric rulers, electronic balances, gel electrophoresis apparatuses, micropipettors, hand lenses, Celsius thermometers, hot plates, lab notebooks or journals, timing devices, cameras, Petri dishes, lab incubators, dissection equipment, meter sticks, and models, diagrams, or samples of biological specimens or structures;
(G) analyze, evaluate, make inferences, and predict trends from data; and
(H) communicate valid conclusions supported by the data through methods such as lab reports, labeled drawings, graphic organizers, journals, summaries, oral reports, and technology-based reports.

Interactive Student

(C) Cancer Hit Simulator

Interactive Classroom
(A,B,C,D,E) Green Thumb Movie

   
(3) Scientific processes. The student uses critical thinking, scientific reasoning, and problem solving to make informed decisions within and outside the classroom. The student is expected to: (A) in all fields of science, analyze, evaluate, and critique scientific explanations by using empirical evidence, logical reasoning, and experimental and observational testing, including examining all sides of scientific evidence of those scientific explanations, so as to encourage critical thinking by the student;
(B) communicate and apply scientific information extracted from various sources such as current events, news reports, published journal articles, and marketing materials;
(C) draw inferences based on data related to promotional materials for products and services;
(D) evaluate the impact of scientific research on society and the environment;
(E) evaluate models according to their limitations in representing biological objects or events; and
(F) research and describe the history of biology and contributions of scientists.

(A) Mystery Spot

(F) The Meselson-Stahl Experiment

(4) Science concepts. The student knows that cells are the basic structures of all living things with specialized parts that perform specific functions and that viruses are different from cells. The student is expected to: (A) compare and contrast prokaryotic and eukaryotic cells;
(B) investigate and explain cellular processes, including homeostasis, energy conversions, transport of molecules, and synthesis of new molecules; and
(C) compare the structures of viruses to cells, describe viral reproduction, and describe the role of viruses in causing diseases such as human immunodeficiency virus (HIV) and influenza.

Interactive Student
(A) Prokaryotic and Eukaryotic cells

Interactive Classroom
(A) Evolution of Organelles
(A) Virtual Cell Tour
(A) Microscope Simulator (takes long time to load)

(C) Herpes Simplex Virus
(C) HIV Life Cycle
(C) Malaria

(5) Science concepts. The student knows how an organism grows and the importance of cell differentiation. The student is expected to: (A) describe the stages of the cell cycle, including deoxyribonucleic acid (DNA) replication and mitosis, and the importance of the cell cycle to the growth of organisms;
(B) examine specialized cells, including roots, stems, and leaves of plants; and animal cells such as blood, muscle, and epithelium;
(C) describe the roles of DNA, ribonucleic acid (RNA), and environmental factors in cell differentiation; and
(D) recognize that disruptions of the cell cycle lead to diseases such as cancer.

Interactive Student

Interactive Classroom

(A,B,C) Cells Alive 

(6) Science concepts. The student knows the mechanisms of genetics, including the role of nucleic acids and the principles of Mendelian Genetics. The student is expected to (A) identify components of DNA, and describe how information for specifying the traits of an organism is carried in the DNA;
(B) recognize that components that make up the genetic code are common to all organisms;
(C) explain the purpose and process of transcription and translation using models of DNA and RNA;
(D) recognize that gene expression is a regulated process;
(E) identify and illustrate changes in DNA and evaluate the significance of these changes;
(F) predict possible outcomes of various genetic combinations such as monohybrid crosses, dihybrid crosses and non-Mendelian inheritance;
(G) recognize the significance of meiosis to sexual reproduction; and
(H) describe how techniques such as DNA fingerprinting, genetic modifications, and chromosomal analysis are used to study the genomes of organisms.

Interactive Student
(A) DNA Detective

(A) Restrictive Enzyme Cleavage
(D) Sexy Flies

(E) Independent Assortment
(F) Dragon Genetics

(F) Mendel's Peas
(F) Mendel's Pea Experiment
(G) Mitosis and Meiosis

Interactive Classroom
(A) DNA Library

(A) DNA Chips
(A) Journey in DNA

(B) Electrophoresis

(C)  DNA Replication

(A,B,C) DNA Code
(E) Mitosis
(E) Meiosis

(E) Mitosis & Meiosis
(F) Gee in Genome
 

(7) Science concepts. The student knows evolutionary theory is a scientific explanation for the unity and diversity of life. The student is expected to: (A) analyze and evaluate how evidence of common ancestry among groups is provided by the fossil record, biogeography, and homologies, including anatomical, molecular, and developmental;
(B) analyze and evaluate scientific explanations concerning any data of sudden appearance, stasis, and sequential nature of groups in the fossil record;
(C) analyze and evaluate how natural selection produces change in populations, not individuals;
(D) analyze and evaluate how the elements of natural selection, including inherited variation, the potential of a population to produce more offspring than can survive, and a finite supply of environmental resources, result in differential reproductive success;
(E) analyze and evaluate the relationship of natural selection to adaptation and to the development of diversity in and among species;
(F) analyze and evaluate the effects of other evolutionary mechanisms, including genetic drift, gene flow, mutation, and recombination; and
(G) analyze and evaluate scientific explanations concerning the complexity of the cell.

Interactive Student
(A, B) Sex and the Single Guppy

(B,C,D,E) Evolution lab
(B,C,D,E) Peppered Moth Simulation
(B,C,D,E) Lifeboat to Mars

(C,F) Biology in Motion

Interactive Classroom
(C, D, E) Heredity - Rags to Riches

 

(8) Science concepts. The student knows that taxonomy is a branching classification based on the shared characteristics of organisms and can change as new discoveries are made. The student is expected to: (A) define taxonomy and recognize the importance of a standardized taxonomic system to the scientific community;
(B) categorize organisms using a hierarchical classification system based on similarities and differences shared among groups; and
(C) compare characteristics of taxonomic groups, including archaea, bacteria, protists, fungi, plants, and animals.

Interactive Student

Interactive Classroom

 

(9) Science concepts. The student knows the significance of various molecules involved in metabolic processes and energy conversions that occur in living organisms. The student is expected to: (A) compare the structures and functions of different types of biomolecules, including carbohydrates, lipids, proteins, and nucleic acids;
(B) compare the reactants and products of photosynthesis and cellular respiration in terms of energy and matter;
(C) identify and investigate the role of enzymes; and
(D) analyze and evaluate the evidence regarding formation of simple organic molecules and their organization into long complex molecules having information such as the DNA molecule for self-replicating life.

Interactive Student

(A) ATP
(B) Tree Basics

Interactive Classroom

(A) ATP and Energy Storage
(A) Structural Families - Glycine to Leucine

(A) Structural Families - Aspartic Acid to Glutamine
(A) Structural Families - Alanine to Tryptophan
(A) Letter Codes Quiz

(B) Photosynthesis Electron Transport

(C) Moss Life Cycle
(D) Identify the Structure Quiz

(D) Amino Acids Quiz

(10) Science concepts. The student knows that biological systems are composed of multiple levels. The student is expected to: (A) describe the interactions that occur among systems that perform the functions of regulation, nutrient absorption, reproduction, and defense from injury or illness in animals;
(B) describe the interactions that occur among systems that perform the functions of transport, reproduction, and response in plants; and
(C) analyze the levels of organization in biological systems and relate the levels to each other and to the whole system.

Interactive Student

(A, B) The Reproductive Cycle
(A, B,C) Human Anatomy Online

Interactive Classroom
(B) Working Heart
(B) Inflammatory Response
(B) The Kidney
(B) Ovarian and Uterine Cycles
(B) Hyper Heart

(A,B) How a Heart Attack occurs

(11) Science concepts. The student knows that biological systems work to achieve and maintain balance. The student is expected to: (A) describe the role of internal feedback mechanisms in the maintenance of homeostasis;
(B) investigate and analyze how organisms, populations, and communities respond to external factors;
(C) summarize the role of microorganisms in both maintaining and disrupting the health of both organisms and ecosystems; and
(D) describe how events and processes that occur during ecological succession can change populations and species diversity.

Interactive Student

(D) Disease Lab

Interactive Classroom
(A,B) Reflex Arcs

(A,B,C) Receptors in the Skin

(12) Science concepts. The student knows that interdependence and interactions occur within an environmental system. The student is expected to: (A) interpret relationships, including predation, parasitism, commensalism, mutualism, and competition among organisms;
(B) compare variations and adaptations of organisms in different ecosystems;
(C) analyze the flow of matter and energy through trophic levels using various models, including food chains, food webs, and ecological pyramids;
(D) recognize that long-term survival of species is dependent on changing resource bases that are limited;
(E) describe the flow of matter through the carbon and nitrogen cycles and explain the consequences of disrupting these cycles; and
(F) describe how environmental change can impact ecosystem stability.

(A) Carbon Lab

(D) Ecology Lab
(F) Water Life

(B,C,D) Cheetah's Movie

(E) Carbon and Nitrogen Cycles Animations
 

Back to top

Please report any dead links or other problems to sailon@pasadenaisd.org

updated 11/03/2011