Matter and Energy in Plants Review

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What is photosynthesis?

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Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to make their own food (glucose) and release oxygen.

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How do plants and animals differ in obtaining energy?

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Plants use photosynthesis to make food for energy, while animals eat food to get energy.

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What do plants need to grow?

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Plants need water, air, light, and nutrients from the soil to grow.

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What is the main source of matter that plants use for growth?

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Gases in the air, particularly carbon dioxide, provide the most matter for plant growth.

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Can plants grow without soil?

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Yes, some plants can grow in only water, demonstrating that soil is not always necessary for growth.

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What role does sunlight play in plant growth?

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Sunlight provides the energy needed for photosynthesis, which is essential for plant growth.

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What happens to the mass of soil when a plant grows?

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The mass of the soil may stay almost the same, indicating that plants do not get all their nutrients from the soil.

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What do plants release during photosynthesis?

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Plants release oxygen as a byproduct of photosynthesis.

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Why is water important for plants?

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Water is essential for photosynthesis, nutrient transport, and maintaining plant structure.

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What is the importance of air for plant growth?

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Air provides carbon dioxide, which is necessary for photosynthesis.

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