Shockley, William, 1910-1989 The conservation of energy concept in ninth grade general science / William Shockley, Paul D. Hurd, Frederick J. McDonald.

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Shockley, William, 1910-1989

The conservation of energy concept in ninth grade general science / William Shockley, Paul D. Hurd, Frederick J. McDonald.

Force and energy -- Study and teaching.

Hurd, Paul D.

McDonald, Frederick J.

Stanford University. School of Education.