Forensics Case 9 - Killer Cup of Coffee: Using colorimetry to determine concentration of a poison
In this activity, students will use colorimetry to determine the concentration of a colored species in a solution and use a linear relationship to model Beer's law. They use Beer's law to determine the concentration of iron(III)thiocyanate (FeSCN2+) in an unknown solution.https://education.ti.com/en/activity/detail/forensics-case-9--killer-cup-of-coffee-using-colorimetry-to-determine-concentration-of-a-poison
Vernier - How Low Can You Go?
In this activity, students will use an EasyTemp temperature probe to determine the normal melting temperature of ice. They will then study how the addition of salt to the melting ice affects its melting temperature. They will finally formulate a procedure for reaching the coldest melting temperat...https://education.ti.com/en/activity/detail/vernier--how-low-can-you-go
Forensics Case 8 - No Dumping: Using soil characteristics to link suspects to a crime scene
In this activity, students measure pH, conductivity, and water absorbency of different samples of soil. They use these characteristic properties to identify soil samples. They use the physical and chemical characteristics of soil samples collected from suspects to determine whether a suspect had ...https://education.ti.com/en/activity/detail/forensics-case-8--no-dumping-using-soil-characteristics-to-link-suspects-to-a-crime-scene
I'm Melting, I'm Melting
Students will use the Vernier EasyTemp© temperature sensor to determine the change in thermal energy for a given mass of ice, the heat of fusion of ice, and percent error.https://education.ti.com/en/activity/detail/im-melting-im-melting
NASA - Weightless Wonder
In this activity, students explore quadratic functions through the real-world example of weightless flight and the gravitational pull of the earth on objects in orbit.https://education.ti.com/en/activity/detail/nasa--weightless-wonder
Forensics Case 5 - The Ink Is Still Wet: Using colorimetry to identify an unknown ink
In this activity, students identify the ink of a ransom note to match suspects. They identify an unknown ink by its light absorbance characteristics. The experiment set up used is to measure a solutions absorbance of different colors (wavelengths) of light.https://education.ti.com/en/activity/detail/forensics-case-5--the-ink-is-still-wet-using-colorimetry-to-identify-an-unknown-ink
Forensics Case 12 - Hit and Run: Using information from an event data recorder to reconstruct an ac
Students learn how distance traveled, velocity, and acceleration are related to one another and how the appearance of an acceleration, velocity, or distance vs. time graph can be used to predict the appearance of the other graphs. They show how accident scenes can be recreated through an analysis...https://education.ti.com/en/activity/detail/forensics-case-12--hit-and-run-using-information-from-an-event-data-recorder-to-reconstruct-an-ac
Get on the Stick (Biology Applications)
Students use a motion detector to the measure the reaction time of other students. They graph the data from trials conducted in the class and analyze trends. They then calculate drop distance from reaction time.https://education.ti.com/en/activity/detail/get-on-the-stick-biology-applications
Exploring the Area Under a Curve
Students explore Riemann sums to find the approximate area under the graph of a parabola on the interval [0, 1].https://education.ti.com/en/activity/detail/exploring-the-area-under-a-curve
Ratios of Similar Figures
Students will explore the ratio of perimeter, area, surface area, and volume of similar figures in two-dimensional figures.https://education.ti.com/en/activity/detail/ratios-of-similar-figures
To Infinity and Beyond!
Students' develop an understanding of what it means to take a limit at infinity. They learn to estimate limits from graphs and tables of values.https://education.ti.com/en/activity/detail/to-infinity-and-beyond
World Population
Students use their handhelds to explore world population data from the years 1950-2006. They will develop various equations to model the data.https://education.ti.com/en/activity/detail/world-population_1
Tesselations
In this activity students will explore what causes some regular polygons to tesselate. They will explore sketches of regular polygons, measure the interior angles, and test to see whether the shapes tesselate.https://education.ti.com/en/activity/detail/tesselations
Segment Addition Postulate
The purpose of this handout is to provide students an opportunity to learn the keystrokes involved using the TI-Nspire and to verify the Segment Addition Postulate.https://education.ti.com/en/activity/detail/segment-addition-postulate
The Radian Sector
In this activity, students will explore properties of sectors. Students will derive the formula for the arc length of a sector and the area of a sector.https://education.ti.com/en/activity/detail/the-radian-sector
The sum of the interior angles of regular polygons
The students will construct triangles within regular-sided polygons to determine the sum of the interior angles. They will then, using statistics, create a linear regression to determine the relationship between the number of sides of a regular polygon and the sum of its interior angles.https://education.ti.com/en/activity/detail/the-sum-of-the-interior-angles-of-regular-polygons
Transformtions and Tessellations
In this activity you will construct a variety of transformations. In Problem #1 you will create a reflection of a pentagon, in Problem #2 a translation of a regular hexagon, in Problem #3 a rotation of a quadrilateral in two ways, in Problem #4 a dilation of a triangle. In each case you will ob...https://education.ti.com/en/activity/detail/transformtions-and-tessellations
Side Length, Perimeter, and Area of a Rectangle
Explore the effects of changing base (or height) of a rectangle on it's perimeter and area.https://education.ti.com/en/activity/detail/side-length-perimeter-and-area-of-a-rectangle
Side-Side-Angle: The Ambiguous Case
Experiment with segment lengths and angle measures.https://education.ti.com/en/activity/detail/sidesideangle-the-ambiguous-case
Triangle Inequality Theorem
Given the measures of any three segments, will you always be able to make a triangle?https://education.ti.com/en/activity/detail/triangle-inequality-theorem
Perpendicular Bisector
In this activity, students will explore the perpendicular bisector theorem and discover that if a point is on the perpendicular bisector of a segment, then the point is equidistant from the endpoints. This is an introductory activity, where students will need to know how to change between pages, ...https://education.ti.com/en/activity/detail/perpendicular-bisector_1
Definite Integral
Make visual connections between the definite integral of a function and the signed area between the function and the x-axis.https://education.ti.com/en/activity/detail/definite-integral
Average Value
Examine areas as integrals and as rectangles for given functions.https://education.ti.com/en/activity/detail/average-value
Transformational Puppet
This activity allows students to practice their skills of reflecting on a line and translating on a vector. The instructions don't ask for creativity but students who finish early can enjoy being creative with this activity.https://education.ti.com/en/activity/detail/transformational-puppet
3D Parametric
In this activity, students will review the concepts of parametric and polar equations. By using the 3D graphing capabilities of the TI-Nspire handheld, students will be able to extend these ideas to the area of solids of revolution, arc length and kinematics.https://education.ti.com/en/activity/detail/3d-parametric