Science: Matter and Energy - Quiz 18 (Sect. 9.1-9.2)

James rubbed a balloon on his hair and noticed it sticking to the wall. What is the simplest form of electricity he observed?

• Static electricity

• Current electricity

• Alternating current

• Direct current

Elijah is conducting an experiment in his physics class to measure electric charge. What is the SI unit of electric charge?

• Ampere

• Volt

• Coulomb

• Ohm

Elijah and Jackson are playing with a metal rod and a piece of wool. They notice that when they rub the wool on the rod, the rod becomes charged. What is the act of transferring electric charge between the rod and the wool through direct contact?

• Induction

• Conduction

• Radiation

• Convection

Zoe is observing how a positive test charge moves in an electric field. The arrows that indicate this movement are called ________.

• Lines of electric force

• Uniform fields

• Magnetic lines

• Gravitational fields

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When Henry connects a battery to a light bulb, the flow of charge from the battery to the bulb is called ________.

• Voltage

• Resistance

• Current

• Power

While conducting a science experiment, Olivia used a simple device that applies the laws of electrostatics to detect small electric charges. This device is an ________.

• Electroscope

• Ammeter

• Voltmeter

• Galvanometer

Ava and Noah are playing with balloons. They notice that when they rub the balloons on their hair, the balloons stick to the wall. This is because the law stating that opposite charges attract and like charges repel is the ________.

• Law of conservation

• Law of electric charges

• Law of magnetism

• Law of thermodynamics

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Aria is conducting an experiment in her physics class. She observes a particle that is known to have a specific type of charge. What type of charge does an electron have?

• Current

• Neutral

• Negative

• Positive

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Rohan noticed that during a thunderstorm, lightning rods are used to divert unwanted electric charge directly into the earth. What is this process called?

• Induction

• Conduction

• Neutralizing

• Grounding

During a science experiment, Oliver mixed salt into water and noticed that the solution could conduct electricity. What are liquids and solutions that contain ions called?

• Effluvia

• Plasma

• Electrolytes

• Cations