research shows lower test scores for fourth graders who use tablets in schools: ​https://hechingerreport.org/research-shows-lower-test-scores-for-fourth-graders-who-use-tablets-in-schools/
​While this study shows 

Summer Reading Logs and Planners: https://www.understood.org/en/friends-feelings/child-social-situations/summer-camp-summer-school/download-summer-reading-logs-and-planners
Fun and Educational) Summer Vacation Activities: https://www.understood.org/en/school-learning/learning-at-home/encouraging-reading-writing/download-fun-and-educational-summer-vacation-activities
While​​ I am not, in general, in favor of worksheets and papers to complete, these charts and travel activities may be useful for parents to provide fun, organized ways to help their children keep their active mind learning during the summer. Most of the papers encourage discussions between parent and child. 

How to Get Your Students to Ask More Questions: https://www.middleweb.com/40383/how-to-get-your-students-to-ask-more-questions/
I like the ideas in this article, especially the chart for developing skills for questioning with sample stems.  They build in difficulty making an organized way of teaching questioning skills even to young students.  

12 Awesome Ideas for Ending the School Year: https://www.techlearning.com/news/12-awesome-ideas-for-ending-the-school-year
"The activities below will motivate your students to reflect, help others, move and learn, and think creatively"
Planning for the last weeks of school is important and this page has 12 activities, many tech related, with links to several more sites. Several of the activities can also be used at the beginning of a school year or throughout the year. 

Nine Tips That Will Help You Catch Up on Your Reading List: https://www.marthastewart.com/1540043/tips-catch-up-reading-list
"We Asked authors and librarians for their speed-reading secrets."  
I feel that as teachers and parents we need to read a variety of books so we can recommend them to children, gain information for ourselves, and model reading habits.  This article has examples of how to make time to read for adults and it can also help adults model the importance of making time to read.  

Ensuring That Instruction Is Inclusive for Diverse Learners: https://www.edutopia.org/article/ensuring-instruction-inclusive-diverse-learners
"Using ideas from Universal Design for Learning with all students can make classrooms more welcoming for those with learning disabilities." 
I liked, and agreed with all the ideas in this article.  The one that I find the most helpful in planning lessons is third one, "Provide accommodations for all students."  In my experience, this helps students who may have a learning disability of some kind but have not been classified, students who have mastered the basic concept and are ready to learn more about it, students who need to be motivated to learn in the classroom, as well as the students with diagnosed learning disabilities who are in the general education classroom.  Another advantage that I have seen is that the classroom environment in set up for any student who is new to the class, no matter their needs.   Lastly, for me, was that this type of classroom allowed both teachers and students to experiment, offer suggestions, and sometimes try ideas that did not work.  These are the ideas that often result in the most learning for both students and educators.  
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How to Help Your Child with Reading for Kindergarten: https://www.fatherly.com/parenting/how-to-help-your-child-with-reading-for-kindergarten/
"Play games, get silly and be patient, but don't stop reading to them too" 
This is not a study, the advise is what I give parents in newsletters, back-school-night, or for summer reading suggestions. 

Start with a Book: Read. Explore. Learn!: https://www.startwithabook.org/space-rangers-book-based-science-adventure
​"Books and activities for summer reading and learning form Reading Rockets"
Includes 24 topics such as dinosaurs, detectives, buts, flight, folktales, stars, music, etc.. Each theme includes fiction and nonfiction books, hands-on activities, writing ideas, apps and websites.  

Summer Literacy Challenge!: http://www.readingrockets.org/article/summer-literacy-challenge
There are 10 easy to accomplish challenges, one for each week of summer. By changing the literacy activities weekly reading and writing are kept exciting throughout the summer. 

Baby Navigator: What every parent needs to know: https://babynavigator.com/class/
This free site offers classes for families of children from 6-12 months: Before Words and for children from 13-18 months: First Words.  
"Everything you do and say matters. Learn how you can encourage milestones that matter most."