6th grade science fair projects

BOTANY

• Germination - how monocots and dicots differ - the effects of heat, light, carbon dioxide, pH level, etc. on germination rate
• Photosynthesis - factors affecting the rate of photosynthesis temperature, light intensity, water, carbondioxide - part of light spectrum used in photosynthesis
• Leaf - do the numbers and sizes of stomata vary with different plants - what happens if stomata are covered and why
• Roots - how much water is used by different plants - what is the effect of temperature, sunlight, etc., on the use of water (transpiration) - how do different types of soils affect the ability of roots to anchor plants - what factors encourage root growth and what is the effect of water, oxygen, soil type, minerals on root growth
• Plant growth - determine the effects of various nutrients, amounts of water, hours of sunlight, strength of weed killer, temperature, pollutants, pH levels on plant growth and crop yields - can plants live without oxygen, carbon dioxide - what percentages of various plants is water