Science: Matter and Energy - Quiz 19

Nora is conducting an experiment in her physics class. She observes that a certain material allows current to flow through it with no hindrance. True or False: This material is a superconductor.

• True

• False

Tags

NGSS.HS-PS2-5

William is trying to fix a lamp and notices that the wires are covered with a material through which electric current does not flow easily. These materials are ________.

• insulators

• conductors

William is setting up a new sound system in his room and needs to control the flow of electricity to the speakers. He uses a device designed to hinder current flow in the circuit. What is this device called?

• capacitor

• resistor

Grace is setting up a small electric circuit for her science project. She uses a resistor with a resistance of 2 Ω and connects it to a battery that provides a voltage of 6 V. What is the current flowing through the circuit?

• 1/3 A

• 3 A

• 12 A

• 36 A

Abigail noticed that her phone gets warm when she uses it for a long time. The heat caused by this 'electrical friction' is ________ heat.

• Joule

• Watt

Michael is experimenting with different types of electric currents in his physics class. He observes that one type of current flows first in one direction and then in the other direction. This type of current is ________ current.

• alternating

• direct

Samuel is working on a science project and needs to use an electrical device designed to hinder current flow in a circuit. What device should he use?

• Resistor

• Capacitor

• Inductor

• Transformer

Benjamin is working on a science project where he needs to understand the heat caused by 'electrical friction'. What is this heat called?

• Joule heat

• Watt heat

• Calorie heat

• Thermal heat

Liam is setting up a simple electrical circuit for his science project. He wants to understand how the current, voltage, and resistance are related in his circuit. Which law should he refer to?

• law of circuits

• law of electric force

• Ohm's law

• Volta's law

True or False: Aria noticed that the rubber coating on electrical wires prevents electric current from flowing easily, making them insulators.

• True

• False