What Does a Buffer Do?
Buffers are solutions that resist a change in pH. In this activity, students will add HCl dropwise to a measured amount of water, monitoring the pH. Students then repeat the process, using a simple buffer prepared by combining baking soda and tonic water. A comparison of the results will allow...https://education.ti.com/en/activity/detail/what-does-a-buffer-do
Designing a Reaction Rate Experiment
In this activity, students will design, conduct, and report the outcome of an experiment in which they investigate some factor that affects the rate of reaction between baking soda and vinegar. The dynamic nature of the reaction, coupled with a wide range of possible choices of independent varia...https://education.ti.com/en/activity/detail/designing-a-reaction-rate-experiment
Cell Components
This StudyCards(tm) stack enables students to review the terms associated with the structures that comprise a living cell.https://education.ti.com/en/activity/detail/cell-components
August 2008 Chemistry Regents
This file contains the first 30 multiple choice questions from the August 2008 New York Physical Setting (Chemistry) Regents examination. This file is for use on TI-Nspire handhelds with or without the TI-Navigator system. The Navigator system is highly recommended as it allows for quick analys...https://education.ti.com/en/activity/detail/august-2008-chemistry-regents
Graphing Nature
Students compare blade size of leaves from one species and between closely related species. Evolution through natural selection accounts for the diversity of species developed through gradual processes over many generations. Biological adaptations include changes in structures, behaviors or phys...https://education.ti.com/en/activity/detail/graphing-nature
Genetics Lab
This activity will allow students to compare the theoretical and empirical results from a genetics lab.https://education.ti.com/en/activity/detail/genetics-lab
Vernier - Freezing Temperature of Ocean Water
This activity makes use of the Temperature Probe to measure the temperature of water as it cools and freezes. Students' determine and compare the freezing temperature of fresh water and ocean water.https://education.ti.com/en/activity/detail/vernier--freezing-temperature-of-ocean-water
This is for the Birds!
This activity enables students to practice various skills such entering lists, comparing data, and utilizing statistical terms on the graphing calculator.https://education.ti.com/en/activity/detail/this-is-for-the-birds
Motion Graphs
Students will be able to explore distance/time graphs and velocity/time graphs. The graphs will be presented to the entire class through TI-Navigator™. Students will then take CBL 2™'s and calculators and create their own graphs (which are assigned to them). Students will then come back and pr...https://education.ti.com/en/activity/detail/motion-graphs
Vernier - Bungee Jump Accelerations
Students use an Accelerometer to analyze the motion of a bungee jumper and determine a point where there is maximum and minimum acceleration in the course of the motion. They also compare the experimental data with an actual bungee jump.https://education.ti.com/en/activity/detail/vernier--bungee-jump-accelerations
Vernier - Reflectivity of Light
In this activity, students will use a Light Sensor to measure reflection values from paper of various colors and compare these values to reflection values of aluminum foil. They will also calculate percent reflectivity.https://education.ti.com/en/activity/detail/vernier--reflectivity-of-light
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
Power Engineering
Shows how to handle phasor algebra, complex power, power factor corrections, and unbalanced three-phase calculations using the TI-89.https://education.ti.com/en/activity/detail/power-engineering
Steady-State Circuit Analysis and Filter Design
Shows how the TI-89 implements phasors to perform sinusoidal steady-state analysis. the focus in on how to enter and display complex numbers. This chapter also shows a typical steady-state application - how to use the Numeric Solver to find the required order of lowpass Butterworth and Chebyshe...https://education.ti.com/en/activity/detail/steadystate-circuit-analysis-and-filter-design
Work-Energy Theorem Applied to a Cart Pulled Down a Track
In this activity, students will analyze the relationship between the maximum speed of a cart pulled by a falling mass and the work done by gravity. Students will measure the speed of the cart, calculate the work in each trial, make a graph of speed vs. work, and determine an equation which will ...https://education.ti.com/en/activity/detail/workenergy-theorem-applied-to-a-cart-pulled-down-a-track
Using CBR in Egg Drop Competition
Egg drop competition is a popular activity to reinforce the lessons in force and motion. In the activity, the students are asked to design a vehicle to carry the egg safely when dropped from a height of 10 feet (about 3 m) or more. Real-time and concrete data collected and analyzed during the de...https://education.ti.com/en/activity/detail/using-cbr-in-egg-drop-competition
The Number of Years
Students' will chart the various ages of the other students in their classroom then the students will multiply the ages by 2 using a lower level calculator, they will then add up the total ages using the same calculator - they can now divide the class into two groups (boys/girls) and see which gr...https://education.ti.com/en/activity/detail/the-number-of-years
Studying Wave Phenomena with "WaveSim"
This is a program allowing teacher/student to interactively and graphically investigate a variety of wave concepts commonly studied in physics: traveling waves, standing waves, beats, Doppler effect, two-point source interference, Fourier wave forms, reflection and refraction, amplitude modulatio...https://education.ti.com/en/activity/detail/studying-wave-phenomena-with-wavesim
Forensics Case 10 - Dropped at the Scene: Blood spatter analysis
In this activity, students graph data to find quantitative relationships and create a standard reference curve for comparison with unknown data. They analyze blood spatters and examine r2 values for linear, natural logarithm, quadratic, and power curve fit. They find the curve that best fits the ...https://education.ti.com/en/activity/detail/forensics-case-10brdropped-at-the-scene-blood-spatter-analysis
Celsius and Fahrenheit Number Line
A number line comparing temperatures in Celsius and Fahrenheit.https://education.ti.com/en/activity/detail/celsius-and-fahrenheit-number-line
Forensics Case 14—Hot Air, Cold Body: Using Newton's Law of Cooling to Determine Time of Death
Students create a temperature versus time graph for cooling and become familiar with Newton's Law of Cooling. They use the cooling-rate equation to estimate time of death of the victim.https://education.ti.com/en/activity/detail/forensics-case-14hot-air-cold-body-using-newtons-law-of-cooling-to-determine-time-of-death
Who Started It All? The Spread Of Disease
Students predict the spread of disease to be exponential. They then do a hands on "sharing of bodily fluids" and see the actual data and compare these results to the projected model. You actually see the number of infected after each sharing to see the shift of the model easier. Written to be c...https://education.ti.com/en/activity/detail/who-started-it-all--the-spread-of-disease
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
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
Amazing Appetites
Students learn to count and solve original word problems. They learn to add by combining sets and subtract when removing the set. They use manipulatives to reflect the reasoning used in problem solving.https://education.ti.com/en/activity/detail/amazing-appetites