5th Plant Growth: Air and Water Effects

How does the amount of water a plant receives affect its growth?

• More water always leads to faster growth.

• Too much water can harm the plant's growth.

• Water has no effect on plant growth.

• Less water leads to faster growth.

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Which of the following best describes the role of air in plant growth?

• Air is not necessary for plant growth.

• Plants use air to produce food through photosynthesis.

• Air only affects the color of the plant.

• Air is only needed for the plant's roots.

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A student observes two plants, one in a dry environment and one in a humid environment. What question could they ask to investigate the effect of air on plant growth?

• How does the color of the plant change in different environments?

• Does the humidity level affect the plant's growth rate?

• How much water does each plant need?

• What type of soil is best for plant growth?

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If a plant is not growing well, which factor related to air might be affecting it?

• The plant is receiving too much sunlight.

• The air is too dry, affecting the plant's ability to photosynthesize.

• The plant is not receiving enough water.

• The soil is too rich in nutrients.

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What evidence would you collect to determine how water affects plant growth?

• Measure the height of plants with different amounts of water over time.

• Observe the color of the leaves in different lighting conditions.

• Count the number of leaves on each plant.

• Record the temperature of the environment.

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Which question would help you understand the effect of air quality on plant growth?

• How does the type of soil affect plant growth?

• Does the presence of pollutants in the air affect the plant's health?

• How much sunlight does the plant need?

• What is the best fertilizer for plant growth?

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Why is it important for plants to have access to both air and water?

• Air and water are only needed for the plant's roots.

• Air and water are essential for photosynthesis and nutrient transport.

• Only water is necessary for plant growth.

• Only air is necessary for plant growth.

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A student wants to test how different levels of water affect plant growth. What is a good hypothesis for their experiment?

• Plants will grow the same regardless of water levels.

• Plants receiving moderate water will grow better than those with too much or too little water.

• Plants need no water to grow.

• All plants will die if they receive any water.

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What might be a reason for a plant's leaves to turn brown and dry?

• The plant is receiving too much air.

• The plant is not receiving enough water.

• The plant is receiving too much water.

• The plant is in a dark environment.

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How can you determine if air pollution is affecting plant growth in your area?

• Measure the amount of sunlight each plant receives.

• Compare the growth of plants in polluted and non-polluted areas.

• Count the number of insects on each plant.

• Observe the color of the soil.

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