Life Cycles
3rd Grade Science · 7 lessons
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Lessons
- 1Characteristics of Living ThingsAll living things share basic characteristics: they grow, reproduce, respond to their environment, and need energy to survive. Plants make their own food through photosynthesis, while animals must eat other organisms.Lesson
- 2Adaptations for SurvivalAnimals have different adaptations that help them survive. Camouflage helps animals blend in, sharp claws help predators catch prey, and thick fur keeps animals warm.Lesson
- 3Metamorphosis ExplainedDuring metamorphosis, an organism changes its body form completely. A butterfly begins as an egg, becomes a caterpillar, forms a chrysalis, and finally emerges with wings.Lesson
- 4Surviving Winter by HibernatingHibernation is a deep sleep that helps animals survive winter when food is scarce. During hibernation, an animal's heart rate and breathing slow down to save energy.Lesson
- 5Plant Structures and Their JobsPlants have specialized structures: roots anchor the plant and absorb water, stems transport materials, leaves capture sunlight, and flowers produce seeds for reproduction.Experiment
- 6The Frog Life CycleThe life cycle of a frog includes egg, tadpole, tadpole with legs, froglet, and adult frog. This process of metamorphosis takes several weeks to months depending on the species.Experiment
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