When the shoots emerged, photosynthesis began. The water started metabolic (growth) activities within the seeds that produced enough energy for plant growth. The process started when the seeds were provided with soil and constant water supply. Germination occurred in all three growing environments.Now that we have witnessed the growth of a seed to plant and can better understand the role of sunlight in the growing process, it is important to discuss a few ideas: What will be the difference between the three sunlight exposure plants? How do you think the plants will be alike? How do you think a seed will grow with some or partial sunlight? What do you think the plant will look like after two weeks of growth? Through a process called photosynthesis, the plants use the energy from the sun to convert carbon dioxide, soil nutrients, and water into food! In this experiment, we are going to 1) observe the germination of seeds and track the growth as ‘Basil’ (a herb used for seasoning) plants emerge 2) track the growth of basil seeds exposed to three different light sources (full sun, some sun, limited/no sun) and observe photosynthesis in action! Before we begin, let’s think about these three important questions:Ĭan a seed grow/germinate/develop into a plant with limited or no sunlight? Plants need three basic things to live: sunlight, water, and carbon dioxide.

Did you know that the sun also plays a critical role in the growth of plants? Without the sun, plants wouldn’t get the necessary food needed to grow, reproduce, and survive. The sun is a renewable energy source that plays a pivotal role in our everyday life, from warming the earth to the water cycle, it is an essential part of our daily existence.

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