Science Unit 4 - Electricity

What type of energy is shown in the picture?

• wind energy

• solar energy

• hydroelectric energy

• thermal energy

What type of energy allows televisions and video games to work?

• wind energy

• thermal energy

• kinetic energy

• electrical energy

What was the importance of Alessandro Volta’s contribution to electric energy?

• He made the first light bulbs.

• He invented the first electric battery.

• He built the first integrated circuit.

• He developed the first electric motor.

. In the 1960s, techniques to create integrated circuits were developed by Jack Kilby

and Robert Noyce which started the modern electronics era. What is the other

name for this technique in creating integrated circuits?

• battery

• conductor

• static electricity

• microchip

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In an electric circuit the object in the picture is an example of a:

• receptor

• switch

• generator

• electrical cord

In an electric circuit the object in the picture is an example of a:

• receptor

• generator

• switch

• electrical cord

What is the function of the switch on a flashlight?

• Giving energy to the circuit.

• Transforming electric energy.

• Allowing the current to circulate.

• Redirecting the light from the light bulb.

Which of the following materials would not allow electric charges to circulate

freely?

• 
• 
• 
• 

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What energy transformation does the image show?

• From kinetic to sound energy

• From electrical to heat energy

• From thermal to electrical energy

• From electrical to light energy

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What energy transformation does the image show?

• From wind to electrical energy

• From kinetic to heat energy

• From electrical to kinetic energy

• From sound to light energy

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