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
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
Giant Cells
Students will examine surface area and volume of cells and describe the relationship between surface area and volume of cells.https://education.ti.com/en/activity/detail/giant-cells
Ecology Vocabulary
This StudyCards(tm) stack enables students to review the vocabulary used in studying ecology.https://education.ti.com/en/activity/detail/ecology-vocabulary
Groucho's Sign Shop
Students' use force sensors to investigate forces and learn about force as a vector. Similar concept to the common "spring scale" force vector lab, but with a real-world twist.https://education.ti.com/en/activity/detail/grouchos-sign-shop
Linearity with an investigation of Hooke's Law
Students will perform an activity which allows them to discover Hooke's Law for springs and determine the spring constant of a springhttps://education.ti.com/en/activity/detail/linearity-with-an-investigation-of-hookes-law
Millikan Oil Drop Experiment Simulation
Students run a simulation on the TI-83+ or TI-84+ graphing calculator to perform a variation of the Millikan Oil Drop Experiment. The goal is to adjust the voltage across parallel plates until a droplet is suspended between the plates. The data can ba analyzed to determine the charge on the dro...https://education.ti.com/en/activity/detail/millikan-oil-drop-experiment-simulation
Introduction to Electric Circuits
This activity will show how to properly connect wires to make a closed electric circuit. Included in this will be how to connect batteries in series and/or in parallel, and how to properly measure potential drops across a resistor and current for electron current and conventional current circui...https://education.ti.com/en/activity/detail/introduction-to-electric-circuits
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
Vernier - Graphing Your Motion with EasyData™ App and CBR 2™
Students will use a CBR 2™ motion detector to measure distance and velocity. Students prepare graphs of motion and analyze them. They compare and match graphs of distance versus time and velocity versus time.https://education.ti.com/en/activity/detail/vernier--graphing-your-motion-with-easydata-app-and-cbr-2
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
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
Silenced Songbirds
Students calculate the probable number of Golden-Cheeked Warblers present in a particular area. Students prepare a marked map, calculate the number of square miles in the marked area, and estimate the number of birds that live in the area.https://education.ti.com/en/activity/detail/silenced-songbirds
Patterns in Counting with Decimals
Students use the calculator to represent decimals and to recognize patterns in the number symbols.https://education.ti.com/en/activity/detail/patterns-in-counting-with-decimals
Patterns in Counting
Students learn to count in multiples of numbers using concrete objects and a calculator. They also connect number symbols to quantities, and look for patterns in the number symbols.https://education.ti.com/en/activity/detail/patterns-in-counting
Perimeter Patterns
Students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They then use the patterns and the calculator to predict the perimeter of a specific shape in the sequence.https://education.ti.com/en/activity/detail/perimeter-patterns
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
Overdue Fines
Students learn to solve a real-world problem comparing overdue fines at different libraries.https://education.ti.com/en/activity/detail/overdue-fines
Weaving a Story
Students construct a paper weaving using a chart model. They will also learn skip counting with the TI-10 and recognize number patterns in art.https://education.ti.com/en/activity/detail/weaving-a-story
Boyle's Law
An inexpensive and effective setup for Boyle's law. The students experiment and perform data analysis to "discover" Boyle's Law.https://education.ti.com/en/activity/detail/boyles-law
Recycled Sounds
Students create a musical instrument from empty 1-liter bottles and use fractional equivalents to tune the bottles.https://education.ti.com/en/activity/detail/recycled-sounds
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
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