Plant Growth and Changes:

Activity 1: Plant Uses
Food: http://kids.britannica.com/comptons/article-206599/plant
Shelter: http://kids.britannica.com/comptons/article-206602/plant
Clothing: http://kids.britannica.com/comptons/article-206600/plant
Medicine: http://kids.britannica.com/comptons/article-206604/plant 

Activity 2: Environmental Role
https://www.mbgnet.net/bioplants/earth.html 

Activity 3: Plant Parts
https://safeshare.tv/x/ss58da909892ae9http://www.harcourtschool.com/activity/science_up_close/213/deploy/interface.htmlhttp://www.virtualmuseum.ca/sgc-cms/expositions-exhibitions/flora/english/game_create.html 

Activity 4: Plant Needs
https://safeshare.tv/x/ss58dabb3c1c9c2
http://www.mbgnet.net/bioplants/adapt.html 

Activity 5: Growing Plants
https://safeshare.tv/x/ss58dacb0b657c6 

Activity 6: Plant Life Cycle
https://safeshare.tv/x/ss58dac5bf315cc 

Activity 7: Seed Dispersal
https://safeshare.tv/x/ss58dacd77af6e8 

Activity 8: Plant Propagation
Cuttings: https://safeshare.tv/x/ss58dad18921c44
Bulbs: https://safeshare.tv/x/-b7Oz9PWca8  
Runners: https://safeshare.tv/x/pyKmbOZZYQg

Videos:
Brain Pop - Plant Growth
Photosynthesis
Biome in a Baggie
Plant Reproduction
Energy Flow
Time Lapse Photography of Plants
The Growth of Plants
Biome Buddies
Desert Biome
Floral Arrangments
Carniferous Plants

Activities:
Life Cycle of a Seed
Plants in Motion
Photosynthesis Puzzles
Life of a Tree
Germinator
Photosynthesis Millionaire
Plant Trivia
Illuminating Photosynthesis

Websites:
Plants in Motion
Why Do Plants Grow Upwards
The Great Plant Escape
Just for Kids: Urban Program
National Geographic Plants
Recommended Plant Lists
The Great Corn Adventure
The Case of the Prize Winning Plants