Heliotropism

Today, while solving science problems, discussed "Heliotropism" with my father. The wiki entry says:

Sunflowers in the bud stage exhibit heliotropism. At sunrise,
the faces of most sunflowers are turned towards the east. Over the course of the
day, they follow the sun from east to west, while at night they return to an
eastward orientation. This motion is performed by motor cells in the pulvinus, a
flexible segment of the stem just below the bud. As the bud stage ends, the stem
stiffens and the blooming stage is reached.

My Links

Longer List at :

• http://sites.google.com/site/goddessaditi/
• http://tinyurl.com/aditi27

Masti Ki Pathshaala

• Life of a Tree: http://www.domtar.com/ARBRE/english/index.asp
• Making education fun and free: http://www.kidsknowit.com/
• http://www.playkidsgames.com/problem_solveGames.htm
• http://thinkzone.wlonk.com/

How a Make a Compass

• Make Your Own Compass (PDF)
• http://www.howstuffworks.com/compass.htm
• http://www.ehow.com/how_4789560_compass.html
• http://www.madsci.org/experiments/archive/860218908.Es.html
• http://www.youthonline.ca/crafts/makingacompass.shtml
• http://ezinearticles.com/?How-to-Make-a-Compass:-Two-Designs&id=374358
• How To Make Galileo's Compass (PDF)

Drawing

• http://www.artistshelpingchildren.org/howtodraw.html

Geography Fun

• http://www.kidsgeo.com/geography-games/index.php
• http://kids.nationalgeographic.com/
• http://www.geography4kids.com/activities.html
• http://www.super-kids.com/geography.html

Maths Fun

• http://www.mathsisfun.com/
• http://jmathpage.com/index.html

Games

• BBC Cbeebies: http://www.bbc.co.uk/cbeebies/fun/
• http://www.girlgames4u.com/
• Nick India: http://www.nickindia.com/games/
• Tom & Jerry: http://tomandjerry.110mb.com/
• Disney: http://www.disney.in/
• http://www.addictinggames.com/index.html
• http://freegamegallery.com/

Space Fun

• NASA Kids' Club: http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html

Solar System

• Solar Sytem Jigsaw: http://www.bbc.co.uk/science/space/playspace/games/jigsaw/jigsaw.shtml
• Solar System Games: http://www.universetoday.com/guide-to-space/the-solar-system/solar-system-games/
• Solar System Fun: http://nasascience.nasa.gov/kids/kids-solar-system

Quiz

• How much do you know about the solar system? NASA: http://www.nasa.gov/audience/forkids/kidsclub/text/games/levelfive/KC_Solar_System.html