Unit 2 Test Electricity and Magnetism

A magnet will pick up an object that is made of (a)  

• plastic
• iron or steel
• glass
• rubber

Tags

8.PS2.1, 8.PS2.2

The picture is an example of an: (a)  

• Electric circuit
• Electromagnet
• Electric nail
• Electric power cell

Tags

8.PS2.1, 8.PS2.2

8.ETS1.1

¿Cuál de estos objetos es un aislante?

• Cable de cobre

• Clip de papel

• Poste de acero

• Guantes de goma

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8.PS2.2

An object through which electrons can easily flow is called a(n) (a)  

• Conductor
• Insulator

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8.PS2.2

¿Cuál es un conductor? 

• madera 

• hierro 

• cuchara de plástico 

• papel 

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8.PS2.2

Electricity is the flow of (a)   .

• electrons
• protons
• neutrons

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8.PS2.2

A flow of electrons through a conductor is called: (a)  

• A river
• A spark
• An electron flow
• A current

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8.PS2.2

The accumulation of excess electric charge on an object is called (a)  

• Static electricity
• Electric discharge
• Resistance
• Current electricity

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8.PS2.2

Si una sustancia tiene un número mayor de electrones que protones, ¿qué tipo de carga tiene?

• Una carga positiva.

• Una carga negativa.

• Una carga neutral

• No tiene carga en absoluto

Tags

8.PS2.2

An object becomes negatively charged by (a)  

• losing electrons
• gaining electrons

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8.PS2.2