TEXES Science of Teaching Reading Practice Test

What type of words are categorized as Tier 3?

1. Chair, bike, table

2. Car, play, toilet

3. Calibrate, itemize, vary

4. Lava, circumference, aorta

The correct answer is: Lava, circumference, aorta

Tier 3 words refer to specific terminology that is often related to a particular subject or discipline. This classification typically includes words that are less frequently used and may not be encountered outside of specialized contexts, such as science, mathematics, or technical fields. In this case, the words "lava," "circumference," and "aorta" are all distinct terms that are commonly found in scientific discussions. "Lava" is related to geology and volcanic activity; "circumference" is a mathematical term used to describe the distance around a circle; and "aorta" refers to an important structure in the anatomy of the human body. These terms are specific and may require direct instruction for understanding, making them perfect examples of Tier 3 vocabulary. The other choices present more general or everyday vocabulary. Words like "chair," "bike," and "table" are common and likely familiar to most learners, placing them in Tier 1. Similarly, "car," "play," and "toilet" are also common and widely used words, which belong to Tier 1 vocabulary. The terms "calibrate," "itemize," and "vary" might be considered Tier 2 as they are more sophisticated than everyday vocabulary but still not as