PPT
Curated OER

Fraction Introduction

For Teachers 1st - 3rd
Introduce fractions as a part/whole relationship. The slides in this resource show whole objects, half objects, and then relate the images to their numeric equivalent. This is a simple and basic introduction that uses a variety of...
PPT
Bowels Physics

Waves and Sound

For Teachers 9th - 12th
Explore how sound travels as waves with a straightforward lesson that explains the basics of waves in relation to sound. The presentation considers sound waves in both open and closed pipes and shows how to calculate wavelength and...
PPT
Curated OER

Plural and Singular Nouns

For Teachers 2nd - 3rd
What a great way to review singular and plural nouns! This presentation covers the basic rules governing the use of singular and plural nouns and gives students a variety of ways to practice this concept. It could be used as a center...
PPT
Curated OER

Nutrient Cycling

For Teachers 11th - Higher Ed
AP environmental science or college-level ecology classes will glean a tremendous amount of information on nutrient cycles from this detailed PowerPoint. It covers nutrient requirements, biogeochemcial cycles, decomposition rates, and...