easyLearn Earth Science : Structure of Earth app for iPhone and iPad

easyLearn Earth Science : Structure of Earth is an attractive way for kids to learn about the Structure of Earth. The facts are presented in a very simple manner and with lots of pictures, kids can learn the facts, practice what they learned and then take the quiz and check their answers.
It covers all the basic facts that elementary and middle school kids need to learn, about how the Earth is made: Earths interior, tectonic plates, soil, all types of landforms and waterbodies (continents, pangaea, mountains, volcanoes, hills, plateaus, islands, valleys, canyons, caves, plains, grasslands, deserts, tundras, coasts, beaches, wetlands, forests, polar regions, glaciers, oceans, seas, bays, gulfs, rivers, waterfalls, deltas, lakes, atmospheric layers, air, clouds and more) and disasters caused by them, Ex, Earthquakes.

There are 3 modes to begin with.
* Learn Mode - Table of contents links to lots of simple learning pages with pictures and facts about each topic.

* Practice Mode - After learning your facts, you can practice your skills in this mode by answering questions or clues. There are 7 types of activities. Each one is in the form of a quiz, but it gives you many chances until you get your answer right.
1. Naming: Tap the correct name of the object shown in the picture, using the clue.
2. Questions: Tap the correct picture to answer the question.
3. Matching: Tap the correct picture on the right to match the picture shown on the left, using the clue.
4. Puzzles: Join the pieces of the puzzle to see the picture and its name.
5. Sorting: Sort the pictures into two groups using the clue.
6. Trivia: Tap the correct answer to the question.
7. Assorted: This combines all the 6 types above in a random fashion.

* Quiz Mode - After practicing your answers, you can take the actual Quiz in this mode. There are 5 types of activities similar to the ones in Practice mode. Each one is in the form of a quiz. You can select your answers for all questions/clues one by one and at the end of the Quiz, it gives you a summary of how you scored and lets you compare all your answers to the correct answers one by one.
1. Naming: Tap the correct name of the object shown in the picture, using the clue.
2. Questions: Tap the correct picture to answer the question.
3. Matching: Tap the correct picture on the right to match the picture shown on the left, using the clue.
4. Trivia: Tap the correct answer to the question.
5. Assorted: This combines all the 4 types above in a random fashion.