electric Circuits

What historical substance is known to generate static electricity when rubbed with fur?

• Plastic

• Glass

• Silk

• Amber

What is the primary cause of hair standing up after sliding down a plastic slide?

• Positive charges repelling each other

• Negative charges attracting each other

• Magnetic forces

• Neutral charges balancing out

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What major technological shift was enabled by the control and use of electricity?

• The Agricultural Revolution

• The Digital Revolution

• The Industrial Revolution

• The Renaissance

In the water tower analogy, what does the water represent in an electric circuit?

• Current

• Electrons

• Resistance

• Voltage

What does a higher position in the water tower analogy signify in terms of electrical energy?

• Higher voltage

• Higher current

• Lower resistance

• Higher resistance

What is the symbol for a battery in an electric circuit diagram?

• A circle with a plus and minus

• A zigzag line

• A simple line

• A pair of parallel lines with one line shorter

What component in an electric circuit is used to control the flow of electricity?

• Battery

• Wire

• Switch

• Resistor

What does a closed switch in a circuit diagram indicate?

• The circuit is overloaded

• There is high resistance in the circuit

• The circuit is closed and electricity can flow

• The circuit is open and electricity cannot flow

What is the function of a potentiometer in a circuit?

• To decrease current

• To increase voltage

• To store energy

• To vary resistance

Why is it important for an electric circuit to be closed?

• To increase resistance

• To allow electricity to flow

• To prevent energy loss

• To reduce voltage