Physics-Unit 5a Electricity and Magnetism

Match the following

• Switch

• 
• Resistor

• 
• Lightbulb

• 
• Battery

• 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Match the Unit to its quantity

• Current

• Volt

• Energy

• Power

• Watt

• Voltage

• Ampere

• Resistance

• Joule

Priya, Aiden, and Abigail are on a thrilling adventure to create a science project involving a mysterious semiconductor bulb. As they eagerly connect the bulb to a circuit, what magical transformation does the bulb undergo?

• The semiconductor bulb begins with a dim light before bursting into a radiant, brighter light.

• The semiconductor bulb only emits a timid, dim light.

• The semiconductor bulb surprises them by emitting a colored light.

• The semiconductor bulb decides to play hide and seek and does not emit any light.

Answer explanation

The correct choice describes the semiconductor bulb's transformation from a dim light to a radiant, brighter light, showcasing its ability to enhance brightness when connected to a circuit.

Lily, Noah, and William are on a thrilling quest to discover the secrets of the universe. They stumble upon a mysterious material that allows electrons to zip through it with ease. Can you help them identify what type of material they've found?

• Insulators

• Conductors

Answer explanation

Lily, Noah, and William found a material that allows electrons to zip through it easily, indicating it is a conductor. Conductors facilitate the flow of electricity, unlike insulators, which resist it.

Grace, Avery, and Abigail are having a fun science competition at school. Sophia has joined them and she needs to create a closed path for electric current to flow for her project. Can you guess what she should create to win the competition?

• circuit

• series circuit

• parallel circuit

Answer explanation

To create a closed path for electric current, Sophia should create a circuit. While series and parallel circuits are specific types of circuits, the general term 'circuit' encompasses all forms needed for her project.

Aria, Nora, and William are having a friendly competition to build the best electrical circuit. They are debating about the direction of electron flow in the circuit. Can you help them settle the debate?

• Positive to Negative

• Negative to Positive

Answer explanation

In electrical circuits, the conventional flow of current is from positive to negative. However, electron flow, which is the actual movement of charge carriers, is from negative to positive. Thus, the correct answer is Negative to Positive.

Imagine Aiden, Aria, and Ethan are on a thrilling adventure in a futuristic world. They stumble upon an ancient electronic circuit. To unlock the next level, they need to control the flow of electrons. What should they use?

• A mystical resistor that reduces the flow of the current

• An enchanted resistor that increases the flow of electrons

Answer explanation

A mystical resistor that reduces the flow of current is essential for controlling electron flow. It allows Aiden, Aria, and Ethan to manage the circuit effectively, unlocking the next level of their adventure.

During a science project, Mason, Nora, and Olivia are trying to find the voltage of a circuit. They know the current and resistance. Which formula should they use to impress their teacher? 

• I= V/R

• R=V/I

• V= I x R 

Answer explanation

To find the voltage in a circuit, Mason, Nora, and Olivia should use the formula V = I x R. This formula directly relates voltage (V) to current (I) and resistance (R), making it the correct choice to impress their teacher.

William, Priya, and Olivia are having a blast working on their science project involving a parallel circuit with 2 lightbulbs. They decide to experiment and remove one lightbulb. What do you think will happen to the other one?

• It will go out.

• It will stay on 

Answer explanation

In a parallel circuit, each lightbulb operates independently. Removing one lightbulb does not affect the other, so the remaining lightbulb will stay on.

Michael, Anika, and Aria are working on a science project together. They need your help to identify the type of circuit in the picture. Can you help them?

• Series Circuit

• Parallel Circuit

Answer explanation

A series circuit has components connected end-to-end, so the same current flows through each component. If the picture shows this configuration, then it is a series circuit, confirming the correct choice.