Your class used to be confused about verb tenses, but now they understand more about the past tense! Practice the different ways to use used to in writing with a clear slideshow presentation, which includes negative and positive...

When is a preposition not a preposition? Learn about the role prepositions play in a slideshow presentation about phrasal verbs. As the class watches the presentation, they reinforce their skills with practice activities.

A useful study tool, learners create decks or download pre-made decks to review. The app tracks your progress and allows you to customize your experience with each deck. Why not try it out and test yourself and your pupils on thousands...

What is a proteasome? Like tiny trash compactors inside cells, proteasomes turn worn-out proteins into reusable amino acids! Explore the topic with a presentation and embedded simulations. The resource includes a teacher's reference and...

In this math worksheet, learners solve three digit addition problems. Some of the addition problems require regrouping. The problems are set up to solve vertically.

In this basic subtraction facts worksheet, learners problem solve and calculate the answers to twenty subtraction equations. Students double-check their answers with their classmates.

A slideshow and a short multiple-choice quiz on the topic of animal life cycles.

This is a tutorial slideshow showing the internal structure of an animal eukaryotic cell. Each slide has excellent labeled drawings accompanied by descriptive text explaining the function of each part.

An animated guide to volcanoes. Learn how they are formed, where they are found and the different types with this interactive slideshow.

A slideshow and a short multiple-choice quiz on the topic of animal cells.

BioAnin presents 3-D labeled images of all of the major systems of the human body, for example, the digestive system and the endocrine system. The images are embedded in slideshows. The site also has interactive 3-D models that can be...

Slideshow of mitosis and meiosis side-by-side. It is a summation of the two processes and the differences between them are clear.

The Salmon Game has students explore different scenarios of salmon spawning and survival using beans. All materials are provided. These include a lesson plan, background information on salmon, a slideshow, student handouts, etc., as well...

Slideshow presents exquisite photographs of animals in their natural habitat captured by camera-traps. Captions explain each photo.

In this third unit of a Biology course, students learn about cells and cell structure. They compare prokaryotic and eukaryotic cells and learn about the specialized structures in a cell and what their functions are. They will also learn...

Impressive animated slideshow presentation on the sun's daily cycle and how the sunlight changes hour by hour over the course of a day. Includes a teacher guide with lesson plan ideas and activities.

Narrated slideshow introduces viewers to a variety of baby animals and answers such questions as, what are baby goats called? what are baby cows called? what are baby swans called? [Registered users can comment on each slide, via text,...

A slideshow of images and captions present information about the birth of a rare breed of sheep.

This slideshow provides an overview of the six kingdoms.

This slide show contains pictures of invertebrate arctic animals filmed during a 2005 expedition. Each photograph has a short description of the animal. There are ten animals displayed.

A discussion of the interactions between the four spheres of Earth and how they affect weather and climate. The slideshow is divided into two parts. The first deals with interactions between the atmosphere and the hydrosphere and the...

This learning module looks at human-made systems of energy, covering different types of energy and power stations. Includes handouts, slideshows, maps, activities, photographs, an interactive animation, and videos.

In this learning module, students learn how a watershed or drainage basin functions and the impact of human activities on them. Also covers groundwater, stream discharge, hydrographs, and the 2010 floods in Pakistan. Includes rich...

A large collection of articles, news items, photos, slideshows, animations, and scientific reports, all related to biodiversity. Many articles on different ecosystems, e.g., deserts, grasslands, forests, etc. An excellent resource for...