What type of energy transformation happens in a fan? (A) Electrical energy is transformed into radiant energy (B) Electrical energy is transformed into mechanical energy (C) Electrical energy is transformed into thermal energy
B) Electrical energy is transformed into mechanical energy
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5
Materials that will allow electrical power to flow through them are called- (examples: metals, water) (A)Lightning (B)Conductors (C)Insulators
(B)Conductors
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Which of these is NOT part of a simple circuit? (A) Battery (B) Bulb (C) Solar Panel
C) Solar Panel
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5
What occurs if there is an opening in the circuit? (A) Electricity will flow through the circuit (B) Electricity will stop flowing (C) The light bulb will become brighter
B) Electricity will stop flowing
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15
Which of the following is an example of static electricity? (A) Turning on a light bulb (B) A battery powering a flashlight (C) Clothes sticking together when coming out of the dryer
(C) Clothes sticking together when coming out of the dryer
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What is the purpose of a circuit? (A) To store electricity (B) To allow electricity to flow and do work (C) To create light
B) To allow electricity to flow and do work
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A complete pathway with no breaks or gaps that allows the flow of electricity is called a (A) Closed Circuit (B) Open Circuit (C) Lightening
(A) Closed Circuit
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How do humans use electricity every day?( A) By making the battery stronger (B) By transforming electrical energy into different forms of energy (C) By storing it in wires
B) By transforming electrical energy into different forms of energy
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The continuous flow of negatively charged particles is called a (A) Circuit (B) Current (C) Insulator
(C) Current
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15
An electrical current passed through a wire coil generates a magnetic field is called an- (A) Electric Circuit (B) Electromagnet (C) Insulator
(B) Electromagnet
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What type of energy is produced by a toaster?( A) Radiant energy (B) Sound energy (C) Thermal energy
C) Thermal energy
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Why do we use insulators around wires?( A) To make the wires glow (B) To allow electricity to flow better (C) To prevent electricity from flowing out and causing shocks
C) To prevent electricity from flowing out and causing shocks