National Institutes of Health
Open Wide and Trek Inside
Don't underestimate the value of a clean mouth! Here is a six-lesson unit that details everything a youngster needs to know about oral hygiene. It includes lessons on the purpose of a mouth and teeth, the nature of oral bacteria and the...
College Board
2017 AP® Biology Free-Response Questions
With AP Biology remaining the most popular AP science exam, many teachers need help preparing. The College Board offers the actual free-response questions from the 2017 test covering pollination, germination, and more. Scholars learn the...
Curated OER
Who Wants to be a Millionaire: Teeth
What kind of teeth do alligators have? Find out as you play a quiz game all about teeth. There are 15 questions all related to how various animals eat, swallow, and chew with their chompers.
Curated OER
A Little Flossing Goes A Long Way
Students explore how to floss their teeth properly. They observe a demonstration showing that bruising alone is not enough to remove plaque from all tooth surfaces.
Curated OER
The Crest Egg-Speriment
Students explore the effects of using proper dental hygiene. In this toothpaste experiment lesson, students use eggs, vinegar and crest toothpaste to determine the consequences of plaque on teeth and the effectiveness of toothpaste.
Curated OER
Uses of Minerals
In this minerals worksheet, learners read an excerpt about gold and then respond to the questions that follow. They explain how the weight of gold affected the history of some western states and why gold is expensive.