This experiment investigates the importance of sunlight for plant growth. Students will compare the growth of plants kept in light versus those kept in darkness.
If plants are kept in the dark, then they will grow slower than those kept in sunlight.
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Place two plants in a sunny area and two plants in a dark box.
Water all plants equally at the same time.
Label each plant to identify its group.
Measure the height of each plant daily.
Record observations about leaf color and overall health.
Continue monitoring for 1-2 weeks.
At the end of the period, compare the growth of the plants.
Analyze your data and conclude whether sunlight is necessary.
Plants exposed to sunlight should grow taller and healthier compared to those kept in the dark, which may show stunted growth.
Light exposure (sunlight vs. darkness)
Growth of the plants (height and health)
Type of plants, Amount of water, Temperature of the environment
Handle plants carefully to avoid allergies; ensure the dark box is well-ventilated.
Use a chart to compare plant heights.
Include photos of plants in both conditions.
Discuss the role of photosynthesis.
Practice clear explanations for your results.
Prepare to answer questions about your findings.
Yes, but fast-growing plants like beans or peas are ideal.
A closet or any dark area works just fine.
Water them when the soil feels dry, but don't overwater.
