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Science Grade 2 Ginette Boudreau

The W onders of Frogs. Science Grade 2 Ginette Boudreau. Source for image: http://soleilimg1.free.fr/gifs/gifs.php3?cat=animaux&scat=grenouille&debut=60&nba=6&suite=yes. Objectives. Students will learn about: Amphibians Metamorphosis and development of frogs A frog’s life cycle

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Science Grade 2 Ginette Boudreau

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  1. The Wonders of Frogs Science Grade 2 Ginette Boudreau Source for image: http://soleilimg1.free.fr/gifs/gifs.php3?cat=animaux&scat=grenouille&debut=60&nba=6&suite=yes

  2. Objectives Students will learn about: • Amphibians • Metamorphosis and development of frogs • A frog’s life cycle • Characteristics of frogs and tadpoles • The needs of frogs and tadpoles

  3. Task 1 : Communication Skills Task: 1. Find a partner and tell eachotherwhatyoualready know about frogs. 2. Continue reading the powerpoint.

  4. Frogs are Amphibians… Frogs… • have backbones • live part of their lives in water and the other part on land • are cold blooded • return to the water to lay eggs image: answersingenesis.org ,RetrievedJanuary, 18 2011

  5. WhatisMetamorphosis? • It means change in appearance • It meanstransformation • Frogs go through an important physical change calledmetamorphosis

  6. Frogs life cycle

  7. Mating in the Spring In Spring • Males sing to attract a female in the spring • They often mate in the water • Females lay many eggs in the water • Males fertilize the eggs once they are laid Mating image:: RetrievedJanuary 18, 2011 from the-reaction.blogspot.com/2007_03_11_archive.htm

  8. Eggs in the water • Eggs are covered in a jelly substance • They are foundin water • Hatch in 6 to 21 days • TheybecomeTadpoles Startosta,P. (photographe of egg). (1991). La grenouille, Belgique,Éditions Milan

  9. Come out of the eggafter 21 days Live underwater for 90days Eataquatic plants Breathewiththeirgills Tadpoles Startosta,P. (photographe of tadpole). (1991). La grenouille, Belgique,Éditions Milan

  10. During 90 days, the tadpoleswill have a very interesting transformation called … metamorphosis Guesswhatis the answer? Click and reveal

  11. Metamorphosis Day 1 Week 6 Week 10 Startosta,P. (photographe of life cycle). (1991). La grenouille, Belgique,Éditions Milan

  12. Task Task: In your art journal, drawwhatyouthink the tadpolewill look likeatweek 14.

  13. A Frog’s life cycle • Click on the link to watch a video of the frog’s life cycle • http://www.youtube.com/watch?v=5GGuEr-MQf4

  14. Frogs • Live in water and on land • Eat insects • Have 4 legs • Breathe with lungs • Do not have a tail • Swim and leap Source for image: http://soleilimg1.free.fr/gifs/gifs.php3?cat=animaux&scat=grenouille&debut=60&nba=6&suite=yes

  15. Resources taken from: • http://allaboutfrogs.org/weird/general/cycle.html (Didyou know) • https://portal.nbed.nb.ca/tr/cd/Documents/,DanaInfo=portal.nbed.nb.ca,SSL+You%20and%20Your%20World%20Grades%20K%20-2%20English.pdf (NBED Curriculum) • http://www.youtube.com/watch?v=5GGuEr-MQf4 (video-how tadpoles change) Retrieved on January 18, 2011 • http://www.youtube.com/watch?v=xmsTccmRMh4&feature=related(animal life cycles)

  16. Resources for images • http://soleilimg1.free.fr/gifs/gifs.php3?cat=animaux&scat=grenouille&debut=60&nba=6&suite=yes (all clipart in thispresentation) • Pictures in the presentation (seebelowpicture for references)

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