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Scientific Processes
(Texas Essential Knowledge and Skills)
Internet Resources
(1) The student conducts field and laboratory investigations using safe, environmentally appropriate, and ethical practices.
(A) demonstrate safe practices during field and laboratory investigations
(B) make wise choices in the use and conservation of resources and the disposal or recycling of materials
(2) The student uses scientific inquiry methods during field and laboratory investigations.
(A) plan and implement investigative procedures including asking questions, formulating testable hypotheses, and selecting and using equipment and technology
Forces in Action - change track gradient and truck load as you collect data and come to a conclusion
How We See Things - Think through the assignment given, using a variety of mirrors to complete the task.
Changing Circuits - test a variety of materials to determine which best completes the circuit
Create a New Hawaiian Island - read the page then click on the link at the bottom of the page to experiment with these local effects on climate by creating a new Hawaiian island!
Leap Frog - [this link opens on a new page] Students design an experiment to answer a question, collect information, and interpret the results using charts. (Author - Michaél Dunnivant)
Mass, Volume, Density & Gravity - An interactive exercise where the user conducts experiments in weight, mass, volume, density and gravity.
Reversable and Irreversable Changes - experiment with a variety of substances and conditions to determine which changes can or can not be reversed, and then take a quiz
(C) analyze and interpret information to construct reasonable explanations from direct and indirect evidence
Boil Water with Shockwave - Run an experiment, changing the water amount, the starting water temperature, and the heating power. Enter how long you think it will take to boil the water. The accuracy of your guess, as a percentage of the actual time, will be displayed
(D) communicate valid conclusions
(E) construct graphs, tables, maps, and charts using tools including computers to organize, examine, and evaluate data
Bar Graph - Enter data to create a bar graph, then manipulate the graph's maximum and minimum values
Circle Graph - Enter data categories and the value of each category to create a circle graph (similar to "Pie Chart" but the user can define the data set)
Create-a-Graph - lessons and activities on a variety of graphs
Data Picking - students collect data, enter tally marks or numbers and then select which graph is appropriate
(3) The student uses critical thinking and scientific problem solving to make informed decisions.
(A) analyze, review, and critique scientific explanations, including hypotheses and theories, as to their strengths and weaknesses using scientific evidence and information
Collecting and Analyzing Safety Data - a 75 minute lab with an excellent table on page 22 listing the five leading causes of death, broken down by age range
Forces in Action - change track gradient and truck load as you collect data and come to a conclusion
Formatting Hypotheses - information to help your students get a handle on this process skill
How We See Things - Think through the assignment given, using a variety of mirrors to complete the task.
Test Your Hypothesis - Read Jenna's Diary in this exceprt from the science fair toolkit to see an example of designing an experiment with a testable hypothesis.
Towel Testing - the purpose of this lab is to practice the skills used to design experiments
(B) draw inferences based on data related to promotional materials for products and services
(C) represent the natural world using models and identify their limitations
Boil Water with Shockwave - Run an experiment, changing the water amount, the starting water temperature, and the heating power. Enter how long you think it will take to boil the water. The accuracy of your guess, as a percentage of the actual time, will be displayed
(D) evaluate the impact of research on scientific thought, society, and the environment
(E) connect Grade 6 science concepts with the history of science and contributions of scientists
(4) The student knows how to use a variety of tools and methods to conduct science inquiry.
(A) collect, analyze, and record information using tools including beakers, petri dishes, meter sticks, graduated cylinders, weather instruments, timing devices, hot plates, test tubes, safety goggles, spring scales, magnets, balances, microscopes, telescopes, thermometers, calculators, field equipment, compasses, computers, and computer probes
(B) identify patterns in collected information using percent, average, range, and frequency
All That Data - [this link opens on a new page] Students use range, mean, median, and mode. (Author - Kristy Rousseau)
All That Data Two - [this link opens on a new page] Students describe graphs in terms of range, measures of central tendency, and distribution. (Author - Kristy Rousseau)
Basketball Debate - [this link opens on a new page] Students explore the meaning of average (or mean) and relate these concepts to real world experiences. (Author - Michael Naylor)
Bicycles Ala Mode - [this link opens on a new page] Students understand and apply the concepts of mean, median and mode. (Author - Michael Naylor)
Jupiter Is Average - Using data from our solar system, students explore median, mode, mean, and range. Students learn to use an on-line calculator to determine the mean and range. (Author - Sandi King)
Mean Green Machine - [this link opens on a new page] Students use a calculator to find and use the average, or mean, of a set of data. (Author - Kristy Rousseau) (designed for 5th grade)
Mode, Mean, Median - Interactive lesson followed by activities - (UK measurements) (There may be a problem with the median calculation part of this activity)
Medians - [this link opens on a new page] Students understand and apply the concepts of median and mean. (Author - Michael Naylor)
Party Comedian - [this link opens on a new page] Students find and use the median of a set of data. (Author - Kristy Rousseau)
Percents and Ratios - an index of pages that teach percent and ratio skills covered in K-8 math courses - Each page has an explanation, interactive practice and challenge games about percents and ratios. (from AAA math)
Kinetic Energy - more good diagrams and 4 practice problems
QuickTime movie showing the motion of a roller coaster car down a vertical drop, through two vertical loops, over a small hill, and to the end of the track. The animation portrays the relative amounts of kinetic energy, potential energy, and total mechanical energy of the car as it moves along the track.
(B) demonstrate that changes in motion can be measured and graphically represented
Java applet which students would use to collect data to sketch velocity as a function of time.
Newton's Second Law Experiment - During movement a red point in the t-s-diagram (time - displacement) indicates the present time and the covered distance. This Java applet allows students to collect data for graphing.
Passing Lane - an animation and graph of position vs time
Passing Lane - an animation and graph of velocity vs time
Ticker Tape Diagrams - A common way of analyzing the motion of objects in physics labs is to perform a ticker tape analysis. The practice problems included will help your students evaluate the time variable.
(C) identify forces that shape features of the Earth including uplifting, movement of water, and volcanic activity
Earthquakes and Plate Tectonics - An explanation is to be found in plate tectonics, a concept which has revolutionized thinking in the Earth's sciences in the last 10 years.
(7) The student knows that substances have physical and chemical properties.
(A) demonstrate that new substances can be made when two or more substances are chemically combined and compare the properties of the new substances to the original substances
Food Chains and Webs - Information regarding population size on food webs is presented here. After learning about food webs, select the link named "create a possible food web" at the bottom of the page. Click and drag to create your own food web.
Interdependence and Adaptation - Use this BBC interactive site to review living things, then take a quiz about interdependence and the food web
Welcome to Biology 2002 - This college level PowerPoint show has some great images. Save the show, throw out the college content and modify the show for your classroom.
(9) The student knows that obtaining, transforming, and distributing energy affects the environment.
(A) identify energy transformations occurring during the production of energy for human use such as electrical energy to heat energy or heat energy to electrical energy
(B) compare methods used for transforming energy in devices such as water heaters, cooling systems, or hydroelectric and wind power plants
(C) research and describe energy types from their source to their use and determine if the type is renewable, non-renewable, or inexhaustible
Cells at the Science Lab - Select Cells in the list of labs. The illustration shows the parts of a cell. Move your mouse around the drawing to get information. Next, click on Looking Through a Microscope near the top of the Cells window. Click on the word View to see cells in a microscope. Click Back to select a new slide to view. Click on the book in the bottom left corner to read about cells.
Inside a Cell - select each part of the cell to see its function
Make a Model of a Cell - The purpose of this lab is to make a 3D model of a cell in order to better understand the parts and workings of a cell.
Mixed Up Cells - [this link opens on a new page] identify and explain the differences and similarities between plant and animal organelles (Author - Julie Thompson)
- Teaching idea! - Have your students prepare a Venn diagram comparing and contrasting plant and animal cells. Teachnology has an online Venn diagram generator. (scroll past the membership information)
(C) identify how structure complements function at different levels of organization including organs, organ systems, organisms, and populations
(11) The student knows that traits of species can change through generations and that the instructions for traits are contained in the genetic material of the organisms.
(A) identify some changes in traits that can occur over several generations through natural occurrence and selective breeding
Dragon Genetics. This activity explores the relationship between genotype and phenotype, using both sex-linked and autosomal dominant and recessive traits. By manipulating alleles (genotype), you create corresponding changes in the dragon's physical appearance (phenotype).
Dragon Genetics - In this activity students study the patterns of inheritance of multiple genes in (imaginary) dragons. Teacher Preparation Notes for Dragon Genetics
Transcribe and Translate a Gene - Cells use the two-step process of transcription and translation to read each gene and produce the string of amino acids that makes up a protein.
What is a Mutation? - A mutation is a permanent change in the DNA sequence of a gene. Mutations in a gene's DNA sequence can alter the amino acid sequence of the protein encoded by the gene.
(B) identify cells as structures containing genetic material
Extract Your Own DNA - You can see your own DNA with the unaided eye. Using this simple PowerPoint, your students will learn how to extract and view their own DNA. (easy-to-follow instructions for a great, hands-on learning experience)
How to make a model of DNA - This model can be tough to make, but well worth the effort. You'll learn some great science along the way too!
Make a Candy Model of DNA - (learn how the nucleotides are formed, and how it all fits together) This model can be used to show replication, splicing, and other functions involving the DNA double helix.
Take a Tour of the Basics of Heredity - from the index at the top of the blue box, select What is DNA, then click Next to progress through the windows of this show.
Probability and Heredity - You will simulate Mendel’s experiments by substituting coins for plant characteristics. You will then compare what you had expected with what actually happened.
Take a Tour of the Basics of Heredity - from the index at the top of the blue box, select Heredity, then click Next to progress through the windows of this show.
Those Genes - [this link opens on a new page] Students are introduced to genetic inheritance. (Author - Carol Rine)
Working out Punnett Square Examples - Using Punnett squares, work out the probabilities that children of the parents in each example will have particular phenotypes and genotypes.
(12) The student knows that the responses of organisms are caused by internal or external stimuli.
(A) identify responses in organisms to internal stimuli such as hunger or thirst
(B) identify responses in organisms to external stimuli such as the presence or absence of heat or light
(C) identify components of an ecosystem to which organisms may respond
Adaptation Activity - Learn how animals adapt to their environment while playing this online game about beavers.
Animal Adaptation E-Safaris - meet some interesting animals to explore how they are adapted to their environments
Plant Adaptations in Arid Environments - The plants that grow in the arid eastern region near the Columbia River and the Columbia Basin have a number of traits which help them to be successful in the desert.
(13) The student knows components of our solar system.
(A) identify characteristics of objects in our solar system including the Sun, planets, meteorites, comets, asteroids, and moons
An animation of a comet's passage through the solar system - Compared to the planets, most comets have highly elliptical orbits and widely varying orbital speeds. Comet Halley's next passage through the inner solar system will occur in the year 2061.
Order it up - Measures of size and scale help us understand the magnitude of objects. Play with scales while trying to arrange planets by magnitude of mass, size, temperature, density, distance, gravity or magnetic field. Correctly order the planets and you unscramble a mystery picture! To play, click on the blue link; Play Order it Up: Solar System Edition
The night sky from the same location during a year - This sequence of images shows simulated views of the night sky from Chicago, Illinois. The frames show the view from Earth at midnight, once a week over a year.
(B) describe types of equipment and transportation needed for space travel
(14) The student knows the structures and functions of Earth systems .
Interactive Rock Cycle Animation - a cutaway view of Earth showing where some common rock-forming processes occur. Embedded animations will illustrate the path of a rock moving through the rock cycle.
Water Cycle Animation - Observe a raindrop traveling through various paths of the water cycle. In this visualization, the blue raindrop shows where water is. The red arrows show the processes that could move it to another place.
The Water Cycle - US Geological Survey's Water Cycle - one of the most complete explanation of the cycle
Water Science - US Geological Survey's (USGS) Water Science for Schools web site! They offer information on many aspects of water, along with pictures, data, maps, and an interactive center where you can give opinions and test your water knowledge.
Water Cycle - a slide show by Soo Park, Alex Reynolds, Kate Schmidt, Connie Woo, and Christine Zackrison
The Watershed Game - Many things happen in a watershed that affect the quality of the water we rely upon . Examine the issues in each area of the watershed, then see the impacts of your choices.
(C) describe components of the atmosphere, including oxygen, nitrogen, and water vapor, and identify the role of atmospheric movement in weather change