What is the CBR 2™ Sonic Motion Detector?

CBR 2™ (Calculator-Based Ranger™)

sonic motion detector

use with TI-83 Plus, TI-83 Plus Silver Edition,TI-84 Plus, TI-84 Plus Silver Edition

TI-92 Plus, TI-89, TI-89 Titanium, and Voyage™ 200

bring real-world data collection and analysis into the classroom

easy-to-use

What does the CBR 2™ sonic motion detector do?

With the CBR 2™ motion detector and a TI graphing calculator, students can collect, view, and analyze motion data without tedious measurements and manual plotting.

The CBR 2™ motion detector lets students explore the mathematical and scientific relationships between distance, velocity, acceleration, and time using data collected from activities they perform. Students can explore math and science concepts such as:

0motion: distance, velocity, acceleration

0graphing: coordinate axes, slope, intercepts

0functions: linear, quadratic, exponential, sinusoidal

0calculus: derivatives, integrals

0statistics and data analysis: data collection methods, statistical analysis

0Physics: motion, use with dynamics tracks, pendulum analysis, position, velocity, acceleration

0Physical Science: motion experiments

What’s in this guide?

Getting Started with the CBR 2™ Sonic Motion Detector is designed to be a guide for teachers who do not have extensive calculator experience. It includes quick-start instructions for using the CBR 2™ motion detector, hints on effective data collection, and five classroom activities to explore basic functions and properties of motion. The activities (see pages 10–

31) include many of the following:

0teacher notes for each activity, plus general teacher information

0step-by-step instructions

0a basic data collection activity appropriate for all levels

0explorations that examine the data more closely, including what-if scenarios

0suggestions for advanced topics appropriate for precalculus and calculus students

0a reproducible student activity sheet with open-ended questions appropriate for a wide range of grade levels

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GETTING STARTED WITH THE CBR 2™ SONIC MOTION DETECTOR

© 1997, 2004, 2006 TEXAS INSTRUMENTS INCORPORATED

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Texas Instruments manual What is the CBR 2 Sonic Motion Detector?, What does the CBR 2 sonic motion detector do?

CBR 2 specifications

Texas Instruments has long been a prominent player in the field of educational technology, and the CBR 2 (Calculator-Based Ranger 2) is a testament to their commitment to enhancing the learning experience, particularly in the realms of mathematics and science. Designed to complement graphing calculators, the CBR 2 is a versatile data-collection device that empowers students and educators to explore real-world phenomena through hands-on experimentation.

One of the main features of the CBR 2 is its ability to capture a wide array of data through various sensors. The device is equipped with an array of built-in sensors that can measure motion, including speed and distance. This makes it an invaluable tool for physics experiments, allowing students to visualize concepts such as speed, acceleration, and trajectory.

The CBR 2 utilizes ultrasonic technology to detect distance through sound waves. This feature enables students to conduct experiments that demonstrate principles of sound and motion in a tangible way. With a range of up to 6 meters, the CBR 2 provides accurate and reliable measurements that can be graphically represented using compatible Texas Instruments graphing calculators.

The device is highly user-friendly, with simple interfaces that allow users to easily collect and analyze data. The integration with graphing calculators simplifies the process of data visualization, enabling students to create graphs in real time as they conduct experiments. This capability is particularly beneficial in encouraging interactive learning and fostering a deeper understanding of scientific principles.

The CBR 2 is designed to be portable and durable, making it suitable for classroom settings as well as outdoor experiments. Its compact size and lightweight construction ensure that it can be easily transported, allowing educators to take learning beyond the confines of the classroom.

The CBR 2 also supports various modes of data collection, including Event Mode, which allows users to trigger data collection based on specific events. This feature is useful in demonstrating concepts such as projectile motion and collisions, providing students with hands-on experience that enhances their learning.

In summary, Texas Instruments' CBR 2 is a powerful educational tool that enables students to collect, analyze, and visualize data in an engaging manner. With its built-in sensors, ultrasonic technology, and seamless integration with graphing calculators, the CBR 2 stands out as a versatile device that enriches the educational experience. It not only provides a platform for conducting experiments but also cultivates critical thinking skills and a deeper understanding of scientific concepts, preparing students for a future in STEM fields.