Texas Instruments
Texas Instruments: An Inclined Plane
In this activity, Students can use a Force Sensor to measure the force needed to lift an object and the force needed to pull the same object up an inclined plane. They will also calculate work done and efficiency and make conclusions.
Texas Instruments
Texas Instruments: From Here to There Applications of the Distance Formula
In this activity, students' will use a pair of motion detectors to record the cartesian coordinates of a rod moving in a star-shaped pattern and calculate the distances moved between the vertices of the star. They also compare these...
Texas Instruments
Texas Instruments: Acid Rain
Students use the pH sensor to measure changes in the pH when CO2 dissolves in water. They also study the changes in the pH when sulphuric acid is added to water and identify water bodies most likely to be affected by acid rain.
Texas Instruments
Texas Instruments: Voltage From Dry Cells
In this activity, students can use a voltage sensor to measure the voltage produced by new dry cells of each size. They will also determine whether there is a relationship between dry cell size and voltage.
Texas Instruments
Texas Instruments: Boiling Temperature of Water
In this activity, students can use an EasyTemp probe to measure the temperature of hot water and determine its boiling temperature. EasyData is needed for this activity.
Texas Instruments
Texas Instruments: Mix It Up: Combining Liquids of Different Temps
Students use the EasyTemp Probe to measure the temperature of hot and cold water before and after mixing. Students compare the mixing temperatures to a linear prediction. EasyData is needed for this activity.
Texas Instruments
Texas Instruments: Heart Rate and Body Position
In this activity, students can use a Heart Rate Monitor to measure their heart rate while sitting, lying down, and standing. They will analyze the data collected to determine the effect of body position on heart rate.
Texas Instruments
Texas Instruments: Get on the Stick
In this activity, students' use a motion detector to the measure the reaction time of students. They graph the data from trials conducted in the class and analyze trends. They then calculate drop distance from reaction time.
Texas Instruments
Texas Instruments: Falling Objects
In this activity, Students can use a Motion Detector to measure distance and velocity.
Texas Instruments
Texas Instruments: Triangle Sum
This activity is used to discover that the sum of the measures of the triangle angles is constant and to discover ways of proving the theorem listed in the activity.
Texas Instruments
Texas Instruments: Probing an Aquatic Ecosystem
In this activity, students' use a pH sensor and Temperature Sensor to measure and compare the pH and temperature of three aquariums over a period of several weeks. They will compare and understand how plants and animals affect the water...
Texas Instruments
Texas Instruments: You're So Dense Ti 83
Students investigate the relationship between density of an object, its mass and its volume. They use mass and volume measurements to determine the density of pennies. They compare the density of pre-1983 and post-1984 pennies.
Texas Instruments
Texas Instruments: 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.
Texas Instruments
Texas Instruments: Who Says a Watched Pot Never Boils?
In this activity, students' will investigate what causes phase changes in matter.They use a temperature sensor to measure the temperature of a substance and identify visual clues to the phase changes.
Texas Instruments
Texas Instruments: Investigating the Angle Sum Theorem of Polygons
This activity will allow students to use Cabri Jr. to find the sum of the measures of interior angles of convex polygons and visually see how the Interior Angle Sum Theorem works.
Texas Instruments
Texas Instruments: Reflecting a Triangle in the Coordinate Plane
In this activity, students use the drawing and measurement tools of Cabri Jr. to blend coordinate geometry with drawing tools. They visualize symmetry and reflect a point across the y-axis.
Texas Instruments
Texas Instruments: Investigating the Slopes of Parallel and Perpendicular Lines
In this activity, students investigate how equations of parallel and perpendicular lines relate to each other. They use the drawing and measurement tools of Cabri Jr. to explore the slopes of lines. [Requires Adobe Reader.]
Texas Instruments
Texas Instruments: Drawing a Line Tangent to a Circle
Students use the drawing and measurement tools of Cabri Jr. to draw a line tangent to a circle. [Requires Adobe Reader.]
Texas Instruments
Texas Instruments: Treasure Trove
In this activity, students use a Dual Range Force Sensor to measure the weight of pennies. They understand the difference between mass and weight. Students also determine the difference in weight of an object on the moon, Mars, Saturn,...
Texas Instruments
Texas Instruments: Describing Bivariate Data (Two Quantitative Variables)
Students explore the relationship between two quantitative variables in bivariate data using various x-y plots. They compare the relationships for several categories on the same plot. Students calculate the correlation coefficient to...
Texas Instruments
Texas Instruments: Simple Programs to Apply Formulas
Students learn how to write simple programs to evaluate formulas in several variables for lists of data. They apply these skills to the computation of areas, volumes and surface areas of familiar geometric solids.
CK-12 Foundation
Ck 12: Earth Science: Collecting Weather Data
[Free Registration/Login may be required to access all resource tools.] Describes the various instruments that scientists use to measure weather conditions, including advanced tools like satellites and radar.
TeachEngineering
Teach Engineering: Make That Invisible! Refractive Index Matching
Students determine the refractive index of a liquid with a simple technique using a semi-circular hollow block. Then they predict the refractive index of a material (a Pyrex glass tube) by matching it with the known refractive index of a...
TeachEngineering
Teach Engineering: Rock Cycle
Through five lessons, students are introduced to all facets of the rock cycle. Topics include rock and mineral types, material stresses and weathering, geologic time and fossil formation, the Earth's crust and tectonic plates, and soil...