7. cer: construct an argument based on evidence to answer the question: what happened to the kinetic energy…
7. cer: construct an argument based on evidence to answer the question: what happened to the kinetic energy of the yo - yo when it hit the cup? claim: a statement that answers the question evidence: two pieces of evidence from the yo - yo demonstration that supports your claim reasoning: justify your evidence and explain how this demonstration relates to the scientific principle of the law of conservation of energy.
Answer
Brief Explanations:
When the yo - yo hits the cup, its kinetic energy is transformed. Some is transferred to the cup as work done to move or deform it, and some is converted into other forms like sound (due to the impact) and heat (from friction and deformation). This relates to the law of conservation of energy which states that energy cannot be created or destroyed, only changed in form.
Answer:
Claim: The kinetic energy of the yo - yo is transformed into other forms of energy and work upon hitting the cup. Evidence 1: The cup moves or deforms upon impact, showing work is done by the yo - yo's kinetic energy. Evidence 2: A sound is produced when the yo - yo hits the cup, indicating some kinetic energy is converted into sound energy. Reasoning: According to the law of conservation of energy, the total energy in the system (yo - yo + cup) remains constant. The kinetic energy of the moving yo - yo is not lost but rather changes form. The work done on the cup and the production of sound and heat are all manifestations of the transformation of the initial kinetic energy of the yo - yo.