This document gives an overview of lathe lubrication.

In this interactive learning object, students read about the voltage and current parameters commonly found on a data sheet. A brief quiz completes the activity.

Students read how to calculate feed rates for drills in inches per minute (IPM). The IPM formula is given and students work two practice problems.

Learners examine the fundamentals of a pulse train. Concepts such as time on, time off, duty cycle, period, and frequency are covered.

Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.

Learners examine the various classifications of airspace and the requirements to pilot an aircraft there. A quiz completes the activity. This object has sound.

In this learning activity you'll review abstract nouns referring to qualities, ideas, and emotions.

In this learning activity you'll identify nouns referring to qualities, ideas, and emotions.

In this animated object, learners trace the olfactory pathway from the nasal cavity to the olfactory cortex.

გადალახე დაბრკოლება, მიიღე ჯილდო!

This game will help you identify common and proper nouns.

Alamin kung sanhi o bunga ang nakasalungguhit sa pangungusap.

Decide whether a noun given is common or proper to advance in the game.