what are some ideas for science fair projects gr.8?!?! and please give an experiment with it thank u!!
http://chemistry.about.com/od/sciencefairprojectideas/a/8thgradeproject.htm
http://www.sciencebuddies.org/science-fair-projects/science_project_ideas.php
Sure! Here are a few science fair project ideas for 8th grade students:
1. Effects of Different Types of Music on Plant Growth:
Experiment: Choose three groups of plants and expose them to different types of music (e.g., classical, rock, no music). Measure their growth over a specific period and compare the results to determine if music affects plant growth.
2. Investigating the Efficiency of Different Insulators:
Experiment: Wrap identical containers with different insulating materials (e.g., aluminum foil, bubble wrap, cloth) and fill them with equal amounts of hot water. Measure and compare the temperature drop of the water over time to determine which material is the most effective insulator.
3. Testing the Effectiveness of Natural Mosquito Repellents:
Experiment: Prepare separate containers with natural substances claimed to repel mosquitoes (e.g., citronella, lavender oil, garlic). Place a mosquito in each container and observe their behavior. Measure and compare the time it takes for mosquitoes to move away from each substance.
4. Investigating the Relationship Between Exercise and Heart Rate:
Experiment: Collect data on participants' heart rates before, during, and after exercise. Compare heart rate variations between different exercises (e.g., running, cycling, jumping jacks) to determine the impact of each exercise on heart rate.
Remember, these project ideas are a starting point, and you can modify them or come up with your own. Make sure to follow the scientific method by formulating a hypothesis, conducting experiments, collecting data, and analyzing your results.
Also, consider the safety precautions necessary for each experiment and seek guidance from your teacher or a responsible adult throughout the process. Good luck with your science fair project!