Solution 12152: Definition of Mode Settings on the TI-89 Family, TI-92 Plus and Voyage™ 200.
...Voyage 200? Following are explanations of the Mode settings available on the TI-89 Family, TI-92 Plus, and Voyage 200: Graph: Type of graphs to plot: FUNCTION, PARAMETRIC, POLAR, SEQUENCE, 3D or DIFF EQUATIONS. Current Folder: Folder used to store and recall variables. Unless additional folders w...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12152
Phosphate Analysis
One method of measuring the phosphate concentration is by using a Colorimeter. This instrument measures the amount of light transmitted through a sample at a given wavelength. The amount of light absorbed is mathematically related to the concentration of the solution.https://education.ti.com/en/activity/detail/phosphate-analysis
Mole Activity
This activity is intended to help students gain an understanding of the mole concept. By determining the molar mass of the element at each station, students will be able to identify the element. Students will learn that the molar mass of each element is unique and different, although the number...https://education.ti.com/en/activity/detail/mole-activity
Investigating of pH and Conductivity during a titration of a diprotic acid
In this investigation sulfuric acid will be added to a solution of Ba(OH)2 using a pH probe and a conductivity probe. From this process the pH of first and second equivalence points will be determined along with mapping the conductivity during the titration process.https://education.ti.com/en/activity/detail/investigating-of-ph-and-conductivity-during-a-titration-of-a-diprotic-acid
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
Vernier - Photosynthesis and Respiration
Students use the gas sensors to measure the amounts of oxygen and carbon dioxide consumed or produced by a plant during respiration and photosynthesis. They also determine the rate of respiration and photosynthesis in a plant.https://education.ti.com/en/activity/detail/vernier--photosynthesis-and-respiration
Vernier - Photosynthesis
Students will use a Colorimeter to compare the rates of photosynthesis for plants in different light conditions. They investigate the role of chloroplasts and light on photosynthesis.https://education.ti.com/en/activity/detail/vernier--photosynthesis
Finding the % salt in seawater
In this experiment, students are asked to collect data in order to prepare a calibration curve showing the relationship between the % of salt and the mass of salt water. Using this graph, students will be able to determine the concentration of salt in a sample of ocean water. The activity provid...https://education.ti.com/en/activity/detail/finding-the--salt-in-seawater
Vernier - pH
Students use a pH sensor to measure the pH level of water in a stream or lake. They examine how air pollutants like sulphur dioxide, nitrogen oxides, and carbon dioxide cause acid rain, which affects the pH of water bodies and aquatic organisms.https://education.ti.com/en/activity/detail/vernier--ph
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
Vernier - Dissolved Oxygen
Students use the Dissolved Oxygen Probe to measure the concentration of dissolved oxygen in water from streams and rivers. They correlate the availability of dissolved oxygen to temperature, pressure, and salinity.https://education.ti.com/en/activity/detail/vernier--dissolved-oxygen
Titration Experiment
This activity is a fast and safe microscale experiment which allows students to quickly determine the molariy of three weak acids (vinegar, soda, and citric acid). Since the process involves a monoprotic, diprotic, and a triprotic acid, students recieve good exposure to the stoichiometry involve...https://education.ti.com/en/activity/detail/titration-experiment
Vernier - Boiling Temperature of Water
In this activity, students will use an EasyTemp probe to measure the temperature of hot water and determine its boiling temperature. EasyData™ is needed for this activity.https://education.ti.com/en/activity/detail/vernier--boiling-temperature-of-water
Vernier - Determine Concentration of a Solution: Beer's Law
Students will use a Vernier Colorimeter to determine the relationship between concentration and absorbance of nickel sulfate solution (Beer's law). They will then determine the concentration of a unknown sample using the standard curve.https://education.ti.com/en/activity/detail/vernier--determine-concentration-of-a-solution-beers-law
Vernier - Determining the Mole Ratios in a Chemical Reaction
Measure the enthalpy change of a series of reactions. Determine the stoichiometry of an oxidation-reduction reaction in which the reactants are known but the products are unknown.https://education.ti.com/en/activity/detail/vernier--determining-the-mole-ratios-in-a-chemical-reaction
Electrolysis of Water
Students will learn to write the half reactions that occur at each electrode during the electrolysis of water, performed in microscale using a 9V battery as a power source. In monitoring the pH at each electrode, studens will learn that H2 is accompanied by the formation of OH- ions and that H+ i...https://education.ti.com/en/activity/detail/electrolysis-of-water
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
Measuring Air Pressure
This activity is intended for my Introductory Meteorology class; an earth science elective intended for Juniors and Seniors. (It was orginally modifed from an Introductory Meteorology Laboratory Assigment taught to undergraduates at Florida State University. However, modifications could be done t...https://education.ti.com/en/activity/detail/measuring-air-pressure
Vernier - Water Quality - TDS (Total Dissolved Solids)
In this activity, students will use the Vernier Conductivity Probe to measure the Total Dissolved Solids in samples of water.https://education.ti.com/en/activity/detail/vernier--water-quality--tds-total-dissolved-solids
Projectile Motion Simulation
Students can investigate the effects of changing various initial quantities on the motion of a projectile. The simulation allows for firing a projectile over or up onto a cliff or over level ground. The results are displayed both graphically and mathematically.https://education.ti.com/en/activity/detail/projectile-motion-simulation
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
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 is Boiling?
We will investigate the effects of heat on matter by studying boiling waterhttps://education.ti.com/en/activity/detail/what-is-boiling
Number and Operations - 100 or Bust
Students explore the operations of addition, subtraction, multiplication, and division of whole numbers and integers.https://education.ti.com/en/activity/detail/number-and-operations--100-or-bust
Skip Counting by 5
Students will compare counting sequences on their calculator with the patterns they generate on their own hundreds chart.https://education.ti.com/en/activity/detail/skip-counting-by-5