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
Solving Equilibrium Problems
In this activity, the students will use the Calculator application to determine the unknown species (x) using known initial concentrations, the change in concentration, and a given value for the equilibrium constant (K). The student will use the following functions: the Calculator Application the...https://education.ti.com/en/activity/detail/solving-equilibrium-problems
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
Solving Kinetics Problems
In this activity the student will use the List and Spreadsheet and Graphs and Geometry to analyze the relationship between temperature and the concentration in a Kinetics experiment. The student will use the following functions: enter data into lists name lists use formulas to populate data ...https://education.ti.com/en/activity/detail/solving-kinetics-problems
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
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
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
Determining Rates of reaction, orders, differntial rate law and the integral rate law.
This activity introduces average and instantaneous rates of reaction.https://education.ti.com/en/activity/detail/determining-rates-of-reaction-orders-differntial-rate-law-and-the-integral-rate-law
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
How Cool are You?
Purpose: You will collect and analyze data on a model of the perspiration process.https://education.ti.com/en/activity/detail/how-cool-are-you
How Long Ago Did You Have A Mole?
A great activity for mole day (10 / 23) or with radioactive decay! In this activity, students will predict when a 'mole of a substance' was presence. Based upon radioactive decay rate of a substance, the initial amount found, and the mole concept students will create a graph and interpolate wit...https://education.ti.com/en/activity/detail/how-long-ago-did-you-have-a-mole
Down on the Farm(s)
Students graph data for human population growth versus the number of farms to investigate the relationship between urban expansion and disappearance of green space.https://education.ti.com/en/activity/detail/down-on-the-farms
Kepler's Harmonic Planetary Law
Students graph planetary data that illustrates relationship between distance and period.https://education.ti.com/en/activity/detail/keplers-harmonic-planetary-law
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
Ohm's Law
In this activity, students will explore the relationship between current and potential difference for several resistors which obey Ohm's Law. They will experimentally measure the resistance of the resistors. Students will then examine the relationship between current and potential difference us...https://education.ti.com/en/activity/detail/ohms-law
Absorption and Radiation
Different surfaces absorb and radiate radiation at different rates. In this activity you will analyze the absorption and radiation rates of two surfaces by monitoring the temperature changes of each of them.https://education.ti.com/en/activity/detail/absorption-and-radiation
Index of Refraction: Treasure at the Bottom of the Sea
Refractive index is an important physical property of a substance that can be used for identification, purity determination or measurement of concentration. This activity is designed for the TI-Nspire handheld and intends to help students understand the refraction of light as it moves from one m...https://education.ti.com/en/activity/detail/index-of-refraction--treasure-at-the-bottom-of-the-sea
Distance, Velocity and Acceleration
This activity looks at the instantaneous velocities of a projectile motion. By varying g, Vo, and do students can look at the affects of gravity initial velocity and initial distance on a projectiles flight.https://education.ti.com/en/activity/detail/distance-velocity-and-acceleration
Equipotentials and Electric Fields
In this activity, students explore the concept of equipotentials around point charges. Students use the simulation to plot equipotentials and observe the patterns near a single positive charge, near two positive charges, and near a positive and a negative charge. Students also explore the relat...https://education.ti.com/en/activity/detail/equipotentials-and-electric-fields
Equipotentials and Electric Fields
In this activity, students will explore concepts related to equipotentials near point charges and the relationship between equipotentials and electric fields. Students will use a simulation to plot equipotentials near a single positive charge, near two positive charges, and near a positive and a...https://education.ti.com/en/activity/detail/equipotentials-and-electric-fields_1
Exploring Parametric Equations With the 'Human Cannonball'
Students will explore the use of parametric equations to model the motion of the 'Human Cannonball' after being fired from a cannon. Key graph features will be explored, including maximum height, length of time in the air, and maximum distance traveled through the use of parametric equations and...https://education.ti.com/en/activity/detail/exploring-parametric-equations-with-the-human-cannonball
Cells Never Lie
A forensics activity which deals with the idea of alcohol poisoning. Based on a Vernier Biology Lab on cell distruction in alcohol and Chemistry's Beer's Law.https://education.ti.com/en/activity/detail/cells-never-lie
Who Started it All?
Students look at the spread of disease and predict the model for that spread. Data is taken at the end of each "sharing" and the exponential model predicted is found to be faulty. The logistic model is then explore. Since we have the list of contacts and the data per contact we can trace it ba...https://education.ti.com/en/activity/detail/who-started-it-all
Graphing Motion: Instantaneous and Average Speed (Follow up activity: Scalar and Vector Quantities)
Students are introduced to the calculator as a graphing tool and distinguish between average speed and instantaneous speed.https://education.ti.com/en/activity/detail/graphing-motion-instantaneous-and-average-speed-follow-up-activity-scalar-and-vector-quantities