Forensics Case 7 - Drug Tests: Identifying an unknown chemical
In this activity, students distinguish between physical and chemical properties. They also understand the differences between qualitative and quantitative observations. They use quantitative and qualitative analyses to identify an unknown powder.https://education.ti.com/en/activity/detail/forensics-case-7--drug-tests-identifying-an-unknown-chemical
Vernier - How Low Can You Go?
In this activity, students will use an EasyTemp temperature probe to determine the normal melting temperature of ice. They will then study how the addition of salt to the melting ice affects its melting temperature. They will finally formulate a procedure for reaching the coldest melting temperat...https://education.ti.com/en/activity/detail/vernier--how-low-can-you-go
Forensics Case 11 - Ashes to Ashes: Using evaporation rate to identify an unknown liquid
In this activity, students understand that evaporation rate is a characteristic property of a liquid. Based on this fact, they identify the solution and the likely accelerant in a case of arson. They compare the evaporation rates of the accelerants found with the suspects with those near the crim...https://education.ti.com/en/activity/detail/forensics-case-11--ashes-to-ashes-using-evaporation-rate-to-identify-an-unknown-liquid
I'm Melting, I'm Melting
Students will use the Vernier EasyTemp© temperature sensor to determine the change in thermal energy for a given mass of ice, the heat of fusion of ice, and percent error.https://education.ti.com/en/activity/detail/im-melting-im-melting
Forensics Case 5 - The Ink Is Still Wet: Using colorimetry to identify an unknown ink
In this activity, students identify the ink of a ransom note to match suspects. They identify an unknown ink by its light absorbance characteristics. The experiment set up used is to measure a solutions absorbance of different colors (wavelengths) of light.https://education.ti.com/en/activity/detail/forensics-case-5--the-ink-is-still-wet-using-colorimetry-to-identify-an-unknown-ink
Forensics Case 3 - Name That Tune: Matching musical tones through waveform analysis
In this activity, students analyze sound waves to calculate the frequency or pitch of musical notes. They use a Microphone to detect the waveform of a musical note. Students calculate the frequency of a musical note from the period of its waveform and use this knowledge to identify the musical n...https://education.ti.com/en/activity/detail/forensics-case-3--name-that-tune-matching-musical-tones-through-waveform-analysis
Forensics Case 6 - Measuring Momentum: Using distance moved after impact to estimate velocity
This activity introduces the concept of momentum as it applies to vehicle collisions. Students accurately gather data of collision of a vehicle with a stationary object, and establish a relationship between the distance an object moves after a collision with a vehicle and the momentum of the vehi...https://education.ti.com/en/activity/detail/forensics-case-6--measuring-momentum-using-distance-moved-after-impact-to-estimate-velocity
Forensics Case 12 - Hit and Run: Using information from an event data recorder to reconstruct an ac
Students learn how distance traveled, velocity, and acceleration are related to one another and how the appearance of an acceleration, velocity, or distance vs. time graph can be used to predict the appearance of the other graphs. They show how accident scenes can be recreated through an analysis...https://education.ti.com/en/activity/detail/forensics-case-12--hit-and-run-using-information-from-an-event-data-recorder-to-reconstruct-an-ac
Get on the Stick (Biology Applications)
Students use a motion detector to the measure the reaction time of other students. They graph the data from trials conducted in the class and analyze trends. They then calculate drop distance from reaction time.https://education.ti.com/en/activity/detail/get-on-the-stick-biology-applications
Matrices Using CAS
This Computer Algebra System (CAS) activity encourages students to perform basic arithmetic operations on matrices, and solving a set of equations using CAS.https://education.ti.com/en/activity/detail/matrices-using-cas
Triangulation Problem
In this Computer Algebra System (CAS) activity, students use 'landscape' paper and fold the top left corner of the page so that it just touches the bottom of the page. They calculate the area of the triangle formed by the bottom left corner and find the distance that forms a triangle with maximum...https://education.ti.com/en/activity/detail/triangulation-problem
TI-89 Riemann Sum Activities for Calculus
In this Computer Algebra System (CAS) activity students use Riemann sums to estimate the distance traveled on a trip at various speeds. They utilize the concept of Riemann sums to calculate the area under a curve. Students find limits of Riemann sums, and also convert Riemann sum limits to defini...https://education.ti.com/en/activity/detail/ti89-riemann-sum-activities-for-calculus
Optimization - IB
In this activity, students will learn how to use the second derivative test to find maxima and minima in word problems and solve optimization in functions and parametric functions.https://education.ti.com/en/activity/detail/optimization_84_ib
Rose Curve- 84
In this activity, students will observe the effect of changing the values of a and n in the equation r = asin(nθ).https://education.ti.com/en/activity/detail/rose-curve
Linear Inequalities
Students observe tables of values to see that inequalities are true for some values of the variable and not for others.https://education.ti.com/en/activity/detail/linear-inequalities_2
Residuals- 84
In this activity for TI-84 series, students will investigate a residual plot for a set of data after selecting a regression model. The residual plot is used to justify the choice of a function model based on an analysis of the residuals.https://education.ti.com/en/activity/detail/residuals_84
Solution 21690: Multiplying a Matrix Row by a Value on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...d TI-Nspire handheld in TI-84 Plus Mode, please follow the example listed below: Example: MATRIX [A] First row - 1,2,3 Second row - 4,5,6 Third row - 7,8,9 Solution: 1) Create a new matrix by pressing [2nd] [MATRIX] and scrolling over to EDIT. The user can create a new matrix or edit a pre-existi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/21690
Solution 34507: Performing Polar and Rectangular Conversions on the TI-83 Plus and TI-84 Plus Family of Graphing Calculators.
...own Arrow] multiple times until "RADIAN" is selected. 3) Press [ENTER] [2ND] [QUIT]. 4) Press [2ND] [ANGLE] [7]. 5) Press [1] [ , ] [2ND] [ℼ] [ ) ]. 6) Press [ENTER] to display the answer -1. 7) Press [2ND] [ANGLE] [8]. 8) Press [1] [ , ] [2ND] [ℼ] [ ) ]. 9) Press [ENTER] to display the answer 0...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/34507
Solution 11691: Adjusting the Contrast on a TI Graphing Calculator.
...contrast may need to be adjusted. The instructions below will demonstrate how to adjust the contrast of the screen. To adjust the contrast on a TI-73 Explorer™, TI-80, TI-81, TI-82, TI-83 family, TI-84 Plus family, or TI-Nspire™ handheld in TI-84 Plus mode, TI-85 or TI-86: 1) Press and release...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11691
Turtle Module | TI-84 Plus CE Python | Texas Instruments
...culators. Download zip file Additional resources for teachers and students Get the basics with TI Codes Give students a fun and easy introduction to the basics of programming in Python with activities featuring the use of the Turtle module. Coming soon Coming soon --...https://education.ti.com/en/product-resources/turtle-module/ti84ce-python
The Classic Box Problem - Exploration
This lesson takes a classic optimization problem and uses the dynamic linking capabilities to visualize the problem in multiple representations: diagramatic, geometric, graphic, numeric.https://education.ti.com/en/activity/detail/the-classic-box-problem--exploration
Trig Transformations-84
In this activity, students will determine the type of function modeled by the height of a capsule on the London Eye observation wheel.https://education.ti.com/en/activity/detail/trig-transformations@84
Critical Points and Local Extrema
Visualize the connections between the critical points and local extrema.https://education.ti.com/en/activity/detail/critical-points-and-local-extrema