Prepare a picture of/book about any plant in advance, as well as a seed.
Say: Look at this plant. (Show a picture of a plant.) This is a plant.
Remember, to be classified as a plant, a living thing should have multiple cells, grow in soil, have leaves and roots, produce seeds, and produce its own food through photosynthesis. Plants are everywhere around us, but how do plants grow and what makes them grow? (Hold up the seed) Say: All the plants around you start life as a seed. Without seeds, there would be no plants and earth would be a barren place that would not support the many forms of life that surround us every day. So, plants come from seeds. Each seed contains a tiny plant waiting for the right conditions to germinate, or start to grow. Seeds need: water, correct temperature (warmth), and a good location (such as in soil) to grow. During its early stages of growth, the seed relies up on the food supplies stored with it to become a seedling and until it is large enough for its own leaves to begin making food through photosynthesis. Photosynthesis is the process the plant uses to convert light energy into food. The seedling's roots push down into the soil to anchor the new plant and to absorb water and minerals from the soil. And its stem with new leaves pushes up toward the light. The germination stage ends when a shoot emerges from the soil. But the plant is just started growing. Plants are living things and need energy to survive. Like humans and animals, plants need both water and nutrients (food) to survive. Water helps the plant move nutrients from the soil up through its stems and leaves. Water keeps the plant moist, flexible, and helps the plant make its own food. This is why it’s important to water plants when the soil becomes dry. The most important nutrients for plants growing needs are nitrogen, phosphorus, and potassium. Nitrogen is necessary for making green leaves, phosphorus is needed for making big flowers and strong roots, and potassium helps the plants fight off disease. Beside water and nutrients, fresh clean air and healthy soil are needed for the growth of the plant. Plants also need sunlight to grow. Light is used as energy for making food. Too little light can make plants weak and leggy looking. They will also have fewer flowers and fruits. As long as the plant continues to have access to water, sunlight and nutrients, it will continue to grow and develop into a mature plant, producing seeds of its own, which will ripen and disperse to continue the cycle. Finally, it takes time and patience to grow plants. Most plants require a particular number of days, months, or even years to produce flowers and fruit. We need to take care of Plants and treat them with respect because they are living things just like us, people.
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