In this animated object, learners examine the kinds of physical and chemical changes that occur in substances. They practice identifying examples of each.
Basic Academic Vocabulary
A review of terms related to acute ischemic stroke
Quiz yourself on the definitions and parts of speech of some common academic vocabulary.
Match each balanced chemical equation
Students read an explanation of chemical formulas in this animated activity. A quiz completes the object.
Words commonly used in academic settings
Learners read this review of chemical hair bonds after completing learning objects on the peptide, disulfide, salt, and hydrogen bonds. Students may e-mail their quiz answers to their instructor.
Students read about light-emitting diodes, including LED voltage and current, and how to protect against reverse voltage.
Introduction to academic vocabulary for ELLs, especially the verbs used on standardized tests
Learners study the effect of reflected and transmitted energy on the measurement of emitted energy by a non-blackbody. A short quiz completes the activity.
Students view a dc analysis of an emitter-biased NPN transistor.
In this interactive object, learners examine the PN sections of a diode and the diode's forward- and reverse-biased operations. A brief quiz completes the activity.
This game reviews vocabulary associated with discussing medical texts.
Find the correct words that go with each definition
You have to match the words to their definitions
Changes in Matter
Match the words with defenitions.
In this animated and interactive object, learners calculate the area and centroid of a semicircle.
In this interactive object, learners determine the limiting reagent and the excess reagent in chemical reactions. Learners test their knowledge by solving three problems.