Vernier - Enzyme Action: Testing Catalase Activity
Students will use an O2 Gas Sensor to measure the amount of O2 produced when H2O2 is broken down by the enzyme catalase at different concentrations, pH values, and temperatures. They will also measure the enzyme's initial reaction rates.https://education.ti.com/en/activity/detail/vernier--enzyme-action-testing-catalase-activity
Exploring the Relationship Between Mass and Volume
In this activity the student will use the List and Spreadsheet, Graphs and Geometry, and Calculator applications to analyze the relationship between mass and volume. The student will use the following functions: enter data into lists name lists use formulas to populate data determine regression...https://education.ti.com/en/activity/detail/exploring-the-relationship-between-mass-and-volume
Talking Trash
Learn how to graph dependent and independent variables. Use the SciTools application to display data on your calculator.https://education.ti.com/en/activity/detail/talking-trash
It's a Mystery
Students will use the Periodic-App to understand the properties of a mystery element and determine its identity.https://education.ti.com/en/activity/detail/its-a-mystery
Diffusion and Equilibrium
Students will observe how equilibrium is reached when salt is added to water.https://education.ti.com/en/activity/detail/diffusion-and-equilibrium
Designing Hot and Cold Packs
Purpose: To calculate the molar enthalpy of dissolving for three ionic solids, and to use this information to design a cold pack. In this experiment you will measure the heat changes which occur from various salts dissolving in water, and then you will use this information to design a hot pack an...https://education.ti.com/en/activity/detail/designing-hot-and-cold-packs
How Fast Are You?
Use the Data/Graphs Wizard tool in the SciTools App to compare the averages of four sets of data.https://education.ti.com/en/activity/detail/how-fast-are-you
Down on the Farm(s)
Students graph data for human population growth versus the number of farms to investigate the relationship between urban expansion and disappearance of green space.https://education.ti.com/en/activity/detail/down-on-the-farms
Science TODAY™ - Corn Crop is a Bin-Buster
Using the USA TODAY Snapshot® " data from the USDA Statistics Service website, and information from a USA TODAY article, students will be asked to calculate percent change, do summations of data, observe trends, and offer explanations as to the reasons for those trends in agricultural p...https://education.ti.com/en/activity/detail/science-today--corn-crop-is-a-binbuster
Crime Scene Investigation - Stride Pattern Analysis with CBR 2
By using the Calculator-Based Ranger (CBR2™), students can plot the distance-time graph of a walking or running person. Students find correlation between the stride distance, velocity, and the height of a person, walking or running at a steady pace and compare that to the stride pattern left at t...https://education.ti.com/en/activity/detail/crime-scene-investigation--stride-pattern-analysis-with-cbr-2
What's Your Speed?
In this activity, students' will use a motion detector to determine what effect the speed at which a person moves has on the appearance of the Distance versus Time plot.https://education.ti.com/en/activity/detail/whats-your-speed
Reading Picture Graphs
Students learn to read simple picture graphs with the help of a calculator.https://education.ti.com/en/activity/detail/reading-picture-graphs
The Ball and All of Its Energy
Students will collect data using a CBR-2 and a ball. The will create an Nspire document to analyze the energy of that toss. Students learn how to collect data, create documents and graphs to analyze data and understand the ideas of conservation of energy.https://education.ti.com/en/activity/detail/the-ball-and-all-of-its-energy
No More Peas, Please!
Students explore the use of nonstandard units of volume and calculators to estimate the number of peas it would take to fill a classroom.https://education.ti.com/en/activity/detail/no-more-peas-please
Transient Circuit Analysis: Symbolic
Describes how to use the differential equation solver, deSolve(), to solve first- and second-order circuits containing resistors, capacitors, inductors, DC sources, and exponential sources. It also shows how to graph the solutions and find the zero crossing and peak values.https://education.ti.com/en/activity/detail/transient-circuit-analysis--symbolic
Transmission Lines
Describes how to calculate the characteristic impedance and phase velocity on transmission lines. Steady state transmission line behavior and simple matching concepts are included also. The functions reflcoef(), lineleng(), zin(), yin() and vswr() are created.https://education.ti.com/en/activity/detail/transmission-lines
Under Pressure
Students will conduct an experiment to determine the pressure applied to various objects.https://education.ti.com/en/activity/detail/under-pressure
Vector Calculus
Describes how to use the TI-89 for differential and integral calculus. The differential operations illustrated include gradient, divergence, curl, and Laplacian. Line and surface integrals also are included. The functions cordchk(), grad(), div(), curl() and lap() are created in this chapter, ...https://education.ti.com/en/activity/detail/vector-calculus
Convolution
Shows the convolution of two functions. To simplify the details, the functions are finite, piecewise, and continous.https://education.ti.com/en/activity/detail/convolution
DC Circuit Analysis
Shows three examples of the use of nodal analysis to solve linear circuits. The first two examples use the solve() command to solve a set of linear equations for circuit. The third example shows how to write the equations in matrix form and use simult() to solve them.https://education.ti.com/en/activity/detail/dc-circuit-analysis
NUMB3RS - Season 3 - "Spree, Part II - Daughters" - Galton Board
In this activity, students will study Galton boards. A Galton board is a vertical or inclined board with a series of staggered pins arranged in a triangle. As balls are dropped from the top of the board, they strike the pins and will fall either to the left or to the right and eventually land in ...https://education.ti.com/en/activity/detail/numb3rs--season-3--spree-part-ii--daughters--galton-board
Fourier Series
Shows how to compute and graph the complex Fourier Series coefficients for a square wave.https://education.ti.com/en/activity/detail/fourier-series
Antennas
Describes how to perform basic antenna and radiation calculations with the TI-89. Antenna patterns, radiation resistance, radiation integrals, and phased array patterns are included.https://education.ti.com/en/activity/detail/antennas
Transient Circuit Analysis: Numeric
Describes how the differential equation plotter is used to solve the second-order circuit presented in Chapter 2 (Topic 8) by expressing it as a system of first-order differential equations.https://education.ti.com/en/activity/detail/transient-circuit-analysis--numeric
Financial Calculations
Describes how to use the TI-89 to calculate interest, present worth, loan repayments and so forth. These methods utilize the time-value-of-money.https://education.ti.com/en/activity/detail/financial-calculations