Brainpop.com is a website with animated movies for grades k-12  which provides teaching and learning in an easy and fun way. It can be used on different platforms (tablets, mobile, laptop).It is easy to navegate You just type your topic/unit. 
The video  teaches how students should behavior in different situations when they are online. The features of the topic includes a quiz where students can be graded, check the answers, a video game-up (game related with the topic), a make-a-movie, lesson ideas, and teachers can create a quiz about the topic.

Great website/app that combines assessment tools, presentation,and collaboration among peers Students can follow the lesson on their own devices at their own pace.Teacher also can add into lessons slides that include video, images, websites, questions , quizzes,polls and assignments .

Kidtopia.info search engine created especially for elementary school students and teachers. It includes on websites recommended by teacher and librarians. The website has features that contain a blog with various resources for all subject areas. It also includes YouTube channel (Infotopia) with educational videos.Another engine search is Search Sweet is a search engine with pre-screened websites to assure legitimate and credible sources of information on any forms. Great search engine for middle and high schools. I would give a try for both search engine to teach students to foster their research skills.

WeLearnedit is  a plataform to  promote and foster the critical thinking skills. The app is easy to navigate and it has features for teachers such as progress reports to share with students and parents. Students can create digital portfolios and have access to files from Google Drive and Dropbox, links from the web, videos and images from the Ipad. Teachers also can create rubrics for assessments and give feedback to his/her students. Great to  tool as  project  presentation to the class. 

SeeSaw is a learning journal  tool that assists students on their daily activities/work.Students can add photos, videos, drawing ,PDF, create a blog .The teacher can monitor who can view student's work and the progress toward the target  skills. Parents can communicate with teacher and check their child presentation   through any device using this tool.