Students practice identifying common elements from the periodic table by name or symbol.

In this screencast, students read about the basic organization and structure of the periodic table of elements. Students identify elements as belonging to a group, a period, or neither.

In this learning activity you'll practice using the 4-input truth table.

Instructions on how to use and construct a truth table for digital devices are provided.

In this screencast, we review the positions of metals, metalloids, and nonmetals in the Periodic Table and the general characteristics of each.

In this learning activity you'll describe the operation of a logic inverter using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

In this learning activity you'll review the operation of a NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

In this learning activity you'll review how an OR gate operates using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

In this learning activity you'll explore the operation of a NAND gate using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.

In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.

In this learning activity you'll discover how visual perception influences your understanding of unstable figures.

In this learning activity you'll write a description of a vegetable peeler and submits it to the instructor.

In this animated object, learners examine the chemistry behind table salt.

This video will demonstrate using adjustable parallels to measure a part.

In this activity you'll practice designing a table in second normal form.

In this interactive object, part 3 in a series, learners follow the steps of the “mathemagician” to examine four numerical curiosities: What’s Special About 1089, Perfect Squares: 1089 and 9801, The Mathematical Significance of 1776, and The Calculator Number Game. The learner will also study six number patterns and look at one remarkable table. Immediate feedback is provided.

In this animated learning object, students read about the backflow of contaminated water and how to prevent it.

Learners examine a table of common polyatomic ions. Eight examples are provided for practice.

In this learning activity, you'll be introduced to Third Normal Form and you'll design a table following these rules.

In this learning activity you'll explore how an Exclusive-OR gate operates by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.