Organisms
4th Grade Science · 7 lessons
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Lessons
- 1How Pollination WorksPollination happens when pollen moves from one flower to another, often carried by bees, butterflies, or wind. This process allows plants to produce seeds and fruit.Experiment
- 2Characteristics 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
- 3How Habitats Support LifeHabitats provide everything an organism needs to survive: food, water, shelter, and space. Different habitats like forests, deserts, and oceans support different types of life.Lesson
- 4Energy in a Food ChainA food chain shows how energy passes from one organism to another. Producers like plants capture energy from the sun, herbivores eat the plants, and carnivores eat the herbivores.Lesson
- 5The Role of DecomposersDecomposers like fungi and bacteria break down dead organisms and return nutrients to the soil. Without decomposers, dead material would pile up and nutrients would be locked away.Lesson
- 6Metamorphosis 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
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