Students learn how to program using loops and switches. Using the LEGO MINDSTORMS NXT robots, sensors and software, student pairs perform three mini programming activities using loops and switches individually, and then combined.

Students learn about electricity and air pollution while building devices to measure volatile organic compounds (VOC) by attaching VOC sensors to prototyping boards. In the second part of the activity, students evaluate the impact of...

With the increase of free satellite data combined with scientific algorithms and cloud computing capacity, developing affordable operational monitoring systems for irrigation management in Asia is now feasible. The use of virtual field...

In this activity, students can use a Light Sensor to measure reflection values from paper of various colors and compare these values to reflection values of aluminum foil. They will also calculate percent reflectivity.

In this activity, Students can use a Magnetic Field Sensor to measure the magnetic field of the Earth and to determine magnetic north. They will also calculate the magnetic inclination and declination at their location.

Students make two models to stimulate the cooling rate of different skin surface areas. They use a Temperature Sensor to measure the cooling rate of the models. The students also compare the cooling rates of the models to determine the...

In this activity, students use the CBL 2 to collect temperature data as a sensor warms up in a cup of water. They find an appropriate mathematical model for the resulting data set.

Students investigate the relationship between the vapor pressure of liquid and its temperature. They use a Pressure Sensor and a Temperature Probe to collect pressure and temperature data. Students compare the vapor pressure of two liquids.

In this activity, students use a temperature sensor to measure the temperature of water samples before and after adding washing soda. They understand concepts of dependent and independent variables and study the relationship between them.

Students' use force sensors to investigate forces and learn about force as a vector. Similar concept to the common "spring scale" force vector lab, but with a real-world twist.

In this activity, students' will use a Dual range force sensor to measure the force required to pull a block across different surfaces. They will examine the results to see when more force is needed to move the block and understand the...

In this activity, students' will use three Temperature Sensors to collect data from three solar collectors and determine which one absorbs the most heat. They will develop an understanding of the difference between absorption and...

Students can 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.

This article reports on "ubiquitous computing", which means sticking programmable microchip sensors onto everyday household objects to make them a little bit smarter. It gives specific examples of how smart chip technology is being used...

A series of participative experiments using ultrasound position sensors. The details will depend upon the datalogging system available to the students.

Students are challenged to measure the temperature profile of the lower atmosphere. Experiment serves as an introduction to buoyancy, drag force, sensor calibration, and data plotting.

Learn how to use the sound sensor for the Lego robot with this page.

Observe kids building a model rocket. See how they use the scientific method to figure out how to make sensors for their rocket.

A concise review of how plants sense environmental conditions and respond to stimuli. Good illustrations and a quiz enhance learning along with links to additional information.

Students will use Sphero to explore the computer science concepts of reading sensors and storing data in variables. They will use OrbBasic, which is a text-based programming language for the Sphero.They will write a simple program that...

Using the LEGO MINDSTORMS NXT kit, students construct experiments to measure the time it takes a free falling body to travel a specified distance. Students use the touch sensor, rotational sensor, and the NXT brick to measure the time of...

Students learn about the anatomy of the ear and how the ears work as a sound sensor. Ear anatomy parts and structures are explained in detail, as well as how sound is transmitted mechanically and then electrically through them to the...

Students learn the importance of the Pythagorean theorem as applied in radar imaging. They use a sensor unit with IRED (infrared emitting diode) to measure triangle distances and the Pythagorean theorem to calculate and verify distances....

Students use ultrasonic sensors and LEGO MINDSTORMS NXT robots to emulate how bats use echolocation to detect obstacles. They measure the robot's reaction times as it senses objects at two distances and with different sensor threshold...