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Download full textDe Sá Teixeira, Nuno Alexandre; Oliveira, Armando Mónica; Silva, Ana Duarte – Psicologica: International Journal of Methodology and Experimental Psychology, 2014
Newton's cradle, a device consisting of a chain of steel balls suspended in alignment, has been used extensively in physics teaching to demonstrate the principles of conservation of momentum and kinetic energy in elastic collisions. The apparent simplicity of the device allows one to test commonly hold views regarding the intuitive understanding…
Descriptors: Science Instruction, Physics, Scientific Principles, Motion
Direct linkPlummer, Julia D. – Journal of Research in Science Teaching, 2009
The National Science Education Standards [National Research Council (1996) National science education standards. Washington, DC: National Academy Press] recommend that students understand the apparent patterns of motion of the sun, moon and stars by the end of early elementary school. However, little information exists on students' ability to…
Descriptors: Scientific Principles, Motion, Visual Environment, Grade 2
