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Human body exploration experiment To know your body better, to be your body's best friend. 84-page human body picture book and 15 human organ experiments. Display of human body more visually and vividly to children.
How is a rainbow made? A rainbow is formed when light passes through water droplets hanging in the atmosphere. The water droplets break white sunlight into the seven colors of the visible spectrum. You can only see a rainbow when the sun is behind you and the rain in front of you. There are 7 colors in the rainbow; in order violet, indigo, blue, green,...
This kit introduces the basics of rocketry and the value of renewable materials in a fun, hands-on Explore the exciting worlds of rocketry and green science with the 4M Green Science Green Rocket Kit. The Green Rocket uses recycled materials and air pressure to launch homemade rockets up to 80 feet in the air.