In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.

Learners answer 14 questions about series-parallel DC circuits.

Learners follow step-by-step instructions for calculating the square root of a number using the TI-83 Plus scientific calculator. Steps for determining impedance are also shown.

In this animated object, learners examine why and when the Kelvin scale is used. A brief quiz completes the activity.

Students read the rules used in multiplying and dividing signed numbers. They view examples and work practice problems.

Students read how to organize their work when multiplying more than two signed numbers. A review and practice problems complete the activity.

Learners follow the steps for adding and subtracting signed numbers and complete practice exercises.

Learners choose responses in workplace situations that are compared to positive-attitude responses. They evaluate their responses, looking for areas in which they would like to improve.

In this animated object, learners study how displacement level sensors are used to measure the level of liquid in a tank.

Tukuyin ang uri ng mga sumusunod na pangngalan

Review on motion and units.

Match the roots dict, port, non, inter, magn, min, mis, multi, omini

Identify what degree of comparison is the underlined adjective.