Molar Gas Lab
Students use stoichiometry to determine the mass of oxygen gas in a bottle. They may also check their answer against the amount of potassium chloride produced during the reaction.https://education.ti.com/en/activity/detail/molar-gas-lab
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
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
The River of Life
In this activity, students compare human body mass with blood volume. They graph the data and build a regression model. They estimate their own blood volume and also predict volumes of blood for other animals.https://education.ti.com/en/activity/detail/the-river-of-life_1
Science TODAY™ - More of U.S. (formally Science TODAY™ - More the Merrier)
Students examine the USA TODAY Snapshot™ "More of U.S.", construct a graph from the data, produce a mathematical model (linear) for the data, determine the rate of change for the data, and make predictions about future population levels.https://education.ti.com/en/activity/detail/science-today--more-of-u-s--formally-science-today--more-the-merrier
Gas Lab
Students determine the molecular weight of a pure gas in a balloon by using gas laws and trapping the gas in a glass bottle. Students watch the instructor demonstrate the lab on day one. On day two and three they practice the lab. On day four we discuss the lab and all the calculations. On da...https://education.ti.com/en/activity/detail/gas-lab
Something's Fishy
In this activity, students examine the size, mass, and growth rates for three species of fish. They interpolate and extrapolate from best-fit models. Students compare the growth rates of endothermic and exothermic animals.https://education.ti.com/en/activity/detail/somethings-fishy
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
Half-Life Lab
This activity explains how students use a CBL2 and TI-83 or TI-84 calculator to collect and calculate the half-life of a barium isotope. Students will use an isogenerator to milk out a meta stable isotope of Barium with a short half-life. Using a radiation monitor linked to a CBL2, students run...https://education.ti.com/en/activity/detail/halflife-lab
The Bigger the Better?
In this activity, students calculate the surface area and volume of different shaped cell models. They develop an understanding of the differences in cells and their functionhttps://education.ti.com/en/activity/detail/the-bigger--the-better
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 - Conductimetric Titration and Gravimetric Determination of a Precipitate
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the reactant solution.https://education.ti.com/en/activity/detail/vernier--conductimetric-titration-and-gravimetric-determination-of-a-precipitate
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
Diprotic Acid Lab and Easy Data
Maleic Acid gives an excellent diprotic acid titration curve showing both inflection points clearly for calculation of molecular weight.https://education.ti.com/en/activity/detail/diprotic-acid-lab-and-easy-data
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
Growing Babies
In this activity, students observe and graph data about human fetal growth rates. Students build a regression model based on the data and compare values with those of other mammals. They also compare the data to non-mammal species.https://education.ti.com/en/activity/detail/growing-babies
Hare Today, Gone Tomorrow
In this activity, students will develop a method to graph a predator-prey population model. They will analyze the data and gain an understanding of populations dynamics.https://education.ti.com/en/activity/detail/hare-today-gone-tomorrow_1
Is There a Limit?
In this activity, students examine data about bacteria and their growth. They produce a scatter plot, a best-fit model, and draw conclusions based on the data and graph.https://education.ti.com/en/activity/detail/is-there-a-limit
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
CellSheet™ App - Chemistry & Biology Examples
Students use the CellSheet App to enter data and text in cells, create cell formulas and use built-in functions. Students explore the utility of this App in science classes, such as Chemistry and Biology. They calculate the molarity of a solution and compare the gestation periods for different ma...https://education.ti.com/en/activity/detail/cellsheet-app--chemistry--biology-examples
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
Vernier - Comparing Sunscreens
In this activity, students use the UVB Sensor to measure the amount of UVB light that passes through a thin film of sunscreen. They analyze the relationship between the SPF values and the intensity of UVB light transmitted by the sunscreen.https://education.ti.com/en/activity/detail/vernier--comparing-sunscreens
Shedding Light on the Weather with Relative Humidity
In this activity, students will collect the data for temperature and relative humidity and plot the data. They will look for the patterns displayed by the three plots and relate them to their experiences.https://education.ti.com/en/activity/detail/shedding-light-on-the-weather-with-relative-humidity