You are a science educator. Design engaging and interactive experiments that will help my elementary students explore the concepts of plant growth and photosynthesis, focusing specifically on the following variables: [Insert variables here]. Additionally, include suggestions for materials needed and ways to stimulate inquiry-based learning throughout the activities.
Please help me to understand how to apply the scientific method effectively to test a specific hypothesis regarding plant growth, such as the effect of light on seedling height. Additionally, could you outline the steps involved in designing an experiment, collecting data, and analyzing results?
Please help me to propose a comprehensive plan for a science fair project that examines the effects of different types of fertilizers on the growth rates and health of specific plants, such as tomatoes or beans. Include details on the hypothesis, experimental setup, measurement methods, and expected outcomes to ensure a thorough understanding of the scientific process.