Science

Convincing resources verifying creation and opposing evolution:

http://creation.com

https://answersingenesis.org/

Free UNESCO Source book for Science:

http://unesdoc.unesco.org/images/0000/000056/005641e.pdf 
Health

www.ultimatenutrition.com.au Health book: The Healing Power of Food; Student health education curriculum

Bible games and activities

http://www.teacherhelp.org/ Bible stories, activities and crafts for kinder and primary school.

http://www.akidsheart.com/bible/bible.htm Illustrated bible verses, printable bible crossword puzzles and word searches for primary.

Time management for Christians

https://www.globalchristians.org/time/

Topic-based lessons

http://www.christiananswers.net/kids/lesson-plans.html Free lesson plans and resources for primary and secondary. Categorised by subject, e.g., Design in Nature, Relationships, Animals, Plants, Ten Commandments.