Here are the readings from the Revised Common Lectionary for next Sunday, the third Sunday in Lent

Exodus 17:1-7
Psalm 95
Romans 5:1-11
John 4:5-42

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http://divinity.lib.vanderbilt.edu/lectionary/ALent/aLent3.htm

Denominational variations:

ACC: http://www.montreal.anglican.org/comments/alnt3m.shtml
ECUSA: http://www.io.com/~kellywp/YearA/Lent/ALent3.html
ELCA: http://www.plu.edu/~crel/wordlink/next-weeks.html
ELCIC: http://www.worship.ca/text/wpca0405.txt
UCC: http://www.ucc.org/worship/samuel/s022705.htm
RCC: http://www.word-sunday.com/Files/A/3-Lent-a/A-3Lent-a.html

Collect (ECUSA):

Almighty God, you know that we have no power in ourselves to help ourselves: Keep us both outwardly in our bodies and inwardly in our souls, that we may be defended from all adversities which may happen to the body, and from all evil thoughts which may assault and hurt the soul; through Jesus Christ our Lord, who lives and reigns with you and the Holy Spirit, one God, for ever and ever. Amen.

Almighty God,
you know that we are not powerful enough to protect ourselves:
Protect us, both our bodies and our souls,
so we may be safe from sickness and injuries
and from evil thoughts;
through Jesus Christ our Lord, who lives and reigns with you and the Holy Spirit, one God, for ever and ever. Amen.

Sunday-school Lesson plans:

http://www.sundayschoollessons.com/mose.htm (Exodus)
http://www.sundayschoollessons.com/lent3mles.htm (John)

Younger Children: http://www.episcopalchurch.org/documents/Lent_3_-_Young_Children_-_Cycle_A.doc
Older Children: http://www.episcopalchurch.org/documents/Lent_3_-_Older_Children_-_Cycle_A.doc
Adults: http://www.episcopalchurch.org/documents/Lent_3_-_Adults_-_Cycle_A.doc

http://Logrus.ca/HomeChurchWeb/LectionaryStudy.html

Sunday-School Crafts:

http://www.sundayschoollessons.com/lent3mart.htm (Exodus)
http://www.sundayschoollessons.com/lent3mtart.htm (Psalm)

http://www.sermons4kids.com/

Pew-work

http://www.efree.mb.ca/lectionarypuzzles/in-awmp.htm#lent03
http://Logrus.ca/HomeChurchWeb/Pewwork_adult.html
http://Logrus.ca/HomeChurchWeb/Pewwork_middleschool.html
http://Logrus.ca/HomeChurchWeb/Pewwork_elementary.html
http://Logrus.ca/HomeChurchWeb/Pewwork_preschool.html