Structure and Function
4th Grade Science · 7 lessons
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Lessons
- 1Adaptations 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
- 2Why Animals MigrateMany animals migrate to find food, warmer weather, or safe places to have their young. Birds, whales, and monarch butterflies are famous for their long migration journeys.Lesson
- 3What Makes an EcosystemEcosystems include all the living and nonliving things in an area that interact with each other. A pond ecosystem includes fish, frogs, algae, water, rocks, and sunlight.Lesson
- 4Vertebrates and InvertebratesVertebrates have backbones and include fish, amphibians, reptiles, birds, and mammals. Invertebrates lack backbones and include insects, spiders, worms, and jellyfish.Lesson
- 5The 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
- 6What Plants Need to GrowPlants need sunlight, water, carbon dioxide, and nutrients from soil to grow. Their roots absorb water and minerals while their leaves capture sunlight for photosynthesis.Experiment
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