Summer of STEM: Disappearing Cups
...rd pressure. Notice the polystyrene is dissolving into the acetone. How it works: Polystyrene is made up of monomers of styrene, an organic compound (C6H5CH=CH2). When polystyrene is being produced it exists in a liquid state (like a gooey, thick liquid). As polystyrene is prod...https://education.ti.com/en/bulletinboard/2018/july/disappearing_cups
Best of Biology
...he Building and Interpreting Graphs activity. 2. Cells: Cell Size and Transport — Cell Structure and Function This lesson is great for introducing the concepts of animal and plant cells, as well as organelles. The colorful animations and interactivity make exploring cells fun and engagi...https://education.ti.com/en/bulletinboard/bestofbiology
5 Educators Using Robotics To Teach Math | Texas Instruments
...vehicle. It’s fun, it’s cool, and best of all, students of all ages with no prior coding experience can get the Rover to move and follow their coding commands in just a few minutes! Let’s take a look at a few specific activities where educators are effectively using the Rover to elevate student...https://education.ti.com/en/bulletinboard/2024/using-robotics-to-teach-math
Solution 26350: Recommendation for Disinfecting TI Handheld Products.
... the calculator with the cloth. Do not spray any liquids directly onto a TI product. 2. Immediately wipe the calculator with a clean, dry cloth to remove any residue or film left by the alcohol pad. Please note: Avoid applying pressure to the screen/display. Keep foreign objects from pe...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/general-information/26350
Solution 35935: Computing the Average Rate of Change of an expression on the TI-Nspire™ CAS Family Products.
... function. 1) Press [catalog] and scroll down to avgRC( and key in the following: AvgRC(F(X),X,H) and press [enter]. When value is specified, it overrides any prior variable assignment or any current “I” substitution for the variable. 2) Press [catalog] and scroll down to avgRC( and key in ...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/35935
Solution 33591: Finding the Domain of a Graph Function Using the Domain Command on the TI-Nspire™ CAS Products.
...n. 3) Input x^(2)-2x+3 and press [enter] 4) Insert a calculator page by pressing [ctrl] [+ page] and select 1 5) Press the [catalog] key located above the division key 6) Locate the domain command and press [enter] 7) Input F1(x),x) and press [enter] Example: Find the domain of x-5/3x-21 1) P...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/33591
Solution 37362: TI-84 Plus CE SmartPad App is not Establishing Connection to Control TI-SmartView CE.
...eep Mode. website Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search What may cause the TI-84 Plus CE SmartPad App to not establish...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/troubleshooting-messages-unexpected-results/37362
Solution 32511: Finding the Complex Conjugate of an Argument Using the TI-Nspire™ Family Products.
...tor.• Press [menu].• Press 2: Number, 9: Complex Number Tools, and 1: Complex Conjugate.• The display will show conj(.• Press [1] [+] [3] [p].• Arrow over to i and press [enter].• Press [enter] to display the answer.Note: All undefined variables are treated as real variables.Please see the TI-Nsp...https://education.ti.com/en/customer-support/knowledge-base/ti-nspire-family/product-usage/32511
Solution 23891: Setting Constraints to Remove the @n Symbol From a Trigonometric Equation Using the Solve Command on TI-89 Family, TI-92 Plus Family and the Voyage™ 200.
...nd the Voyage™ 200. website Home | Other Graphing Calculator products Knowledge Base Knowledge Base Search How do I remove the @n symbol from my trigonometric equation I a...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/23891
Solution 18249: Finding the Real and Imaginary Parts, and Modulus (Absolute Value) of an Algebraic Expression using Complex Numbers on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...sed by pressing [2nd][Catalog] on the TI-89 family and [2nd][I] on the TI-92 Plus and Voyage 200. To find the imaginary parts, please follow the above steps on choosing [2nd][MATH][5][3] for 3:imag(. To find the modulus or absolute value, follow the instructions below: 1) On the home screen ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/18249
Solution 40442: Texas Instruments Computer Algebra System (CAS) Calculators Produce an Unexpected Derivative Result for Function Defined with Constant.
...ate function derivatives as listed in the example below: Define f(x)=x^3-3k^2*x Define fss(x)=derivative(f(x),x,2) When computing for the function above: fss(x) = 6x fss(k) = -12k The function fss(x) is defined as: fss(x):=derivative(f(x),x,2) The function gets evaluated as: fss(k)=derivativ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/troubleshooting-messages-unexpected-results/40442
Solution 34611: Computing One Way Analysis of Variance (ANOVA) on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...ulators. website Home | TI-83 Plus and TI-84 Plus family of products Knowledge Base Knowledge Base Search How do I compute one way analysis of variance (ANOVA) on the TI...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34611
Reaction Rates
Student will see how the decomposition of nitrogen dioxide creates nitric oxide and oxygen. Students and/or teacher will use this to demonstrate how you would find the reaction rates using the numbers that are given in the problem, and then maybe using numbers that they obtain on their own with ...https://education.ti.com/en/activity/detail/reaction-rates
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
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
Vernier - Which Hot Dog Cools Faster?
Different types of hot dogs will cool at different rates after they have been cooked. This activity takes the first steps in investigating this phenomenon by measuring the rate that a warmed hot dog cools. Students can compare the ingredients of various types of hot dogs (all-beef, veggie, turkey...https://education.ti.com/en/activity/detail/vernier--which-hot-dog-cools-faster
Predictable Patterns with Addition
Students learn to compare numbers. They generate patterns using repeated addends and different starting points.https://education.ti.com/en/activity/detail/predictable-patterns-with-addition
Number Cube Sums
Students explore experimental probability and patterns in fractions, decimals, and percents by rolling two number cubes and recording and analyzing the sums that come up.https://education.ti.com/en/activity/detail/number-cube-sums
The Mysterious Constant
Students investigate a pattern using the constant function on the calculator, record the ordered pairs in a table, describe the pattern, and predict what will come next.https://education.ti.com/en/activity/detail/the-mysterious-constant
Fractions and Skittles
Students will predict how many of each color will be in one pack of skittles before they open the package. Once they open the package, they will determine how close their predictioins are to the actual amount. Students then will come up with ratios and averages.https://education.ti.com/en/activity/detail/fractions-and-skittles
Solution 21991: Files and Folders Are Not Removed After an Uninstall of the TI-Nspire™ Family Computer Software.
...efaults not to uninstall any data created by the user. The folders that will remain are located in the two following locations:• The directory chosen during the initial install of the software.• The My Documents folder.Please Note: If the user would like to keep created data when updating to a ne...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/computer-software-installation-activation/21991
Solution 37689: TI-Innovator™ Hub inconsistent format in errors returned by the commands READ and READ LAST ERROR.
...mmand always returns a numeric value regardless of the formatting setting of the error messages Internal Comments Unlikely to fix in a future release due to behavior of the READ command. Solution 37689: TI-Innovator™ Hub inconsistent format in errors returned by the commands READ and READ LAST E...https://education.ti.com/en/customer-support/knowledge-base/ti-innovator-technology/troubleshooting-messages-unexpected-results/37689
Solution 37681: TI-Innovator™ Hub SOUND and SPEAKER commands cannot be used at the same time.
...dge Base Search Why can both SOUND and SPEAKER commands be used at the same time? SOUND and SPEAKER commands cannot be used at the same time due to a known limitation in the tone library of the TI-Innovator Hub. You can not activate more than one speaker internal or external at the same ...https://education.ti.com/en/customer-support/knowledge-base/ti-innovator-technology/troubleshooting-messages-unexpected-results/37681
Solution 37679: TI-Innovator™ Hub COLOR command executes incorrectly when sound is active.
...ase Search Why does the COLOR command executes incorrectly when sound is active? The COLOR command executes incorrectly when sound is active due to an internal design limitation with PWM. When sound is being played the SET COLOR command does not work. COLOR and SOUND are mutually exclusi...https://education.ti.com/en/customer-support/knowledge-base/ti-innovator-technology/troubleshooting-messages-unexpected-results/37679
Move Those Chains
Students practice using the Chain Rule to differentiate compositions of functions.https://education.ti.com/en/activity/detail/move-those-chains_1