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A particular circuit is made up of a battery, a switch, a buzzer, and wires connecting the components. All of the components are
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Aluminum allows for the flow of electrons, while glass does not. Would an aluminum wire surrounded by glass be an effective design for a device that will need to carry an electric current?(1 point) Responses Yes, it would. The glass would carry the
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What happens to some metals when the kinetic energy of their particles is decreased?(1 point) Responses They contract. They contract. They melt. They melt. They conduct. They conduct. They expand.
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Which material is a composite?(1 point) Responses gold gold aluminum aluminum silicon silicon polycarbonate
Which energy transformation happens when a toaster is plugged in to an outlet in the wall and used to make toast?
Solar cells are used to power a person’s house. Which statement about the process is correct?(1 point) Responses Energy from the sun might be less than the energy needs of the house, but solar cells make up for this difference. Energy from the sun might

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