Sara assembles the components of a circuit as shown below. Where should she place a piece of wire to complete the circuit?

between the top of the battery and the top of the paper clip

between the top of the battery and the bottom of the light bulb

between the top of the paper clip and the bottom of the battery

between the top of the paper clip and the bottom of the light bulb

Liam wants to test whether foam is a good insulator. He connects wires to both ends of a battery and attaches one wire to each end of a foam cup. Which inquiry skill is he applying?

plan and conduct an investigation

The plastic coating has been removed from the end of the wire shown below. Why is it necessary to remove the plastic before using the wire in an electric circuit?

so that electric current can pass between the copper wire and other parts of the circuit

so the wire can be bent and fit into the circuit

to prevent the circuit from becoming overloaded

because the plastic makes the wire too thick to use in a circuit

Ariel plans to build an electric circuit that includes a device that can be turned on and off. Which list includes all the necessary materials for her circuit?

battery, wire, light bulb, switch

string, buzzer, battery, switch

buzzer, wire, switch, light bulb

Clayton attempts to create an electric circuit using a battery, a light bulb, a paper clip, and copper wire. The diagram below illustrates his setup. Which statement best explains why the circuit fails to conduct electricity?

The circuit is not a complete loop.

The circuit lacks a power source.

The light bulb uses the electric current.

The paper clip stops the electric current.

The circuit shown below includes a battery, a switch, and three light bulbs. What will occur if the switch is closed and Bulb A is removed?

Bulb B will remain lit, and Bulb C will go out.

Bulb C will remain lit, and Bulb B will go out.

In the circuit shown below, light bulbs are positioned at A, B, and C. When the switch is closed, all three bulbs light up. If Bulb B burns out, what will happen to Bulbs A and C?

Both Bulbs A and C will stay lit.

Both Bulbs A and C will go out.

Bulb A will go out, but Bulb C will stay lit.

Bulb C will go out, but Bulb A will stay lit.

In a light bulb like the one shown below, the filament glows brightly when the switch is turned on. What type of energy transformation takes place in the filament?

electrical energy into thermal energy and light energy

chemical energy into light energy

light energy into electrical energy

potential energy into thermal energy and light energy

When the switch in the circuit below is closed, the electric circuit is completed. Which devices will activate when the switch is closed?

buzzer, electric motor, and light bulb

buzzer and electric motor, but not light bulb

Electric circuits are classified into two main types: series circuits and parallel circuits. Which statement explains how a series circuit differs from a parallel circuit?

In a series circuit, there is only one possible path that current can follow. In a parallel circuit, there are two or more possible paths.

A series circuit provides current to one or two devices. A parallel circuit provides current to many devices.

In a series circuit, current flows in one direction. In a parallel circuit, current flows in both directions.

A series circuit uses electrical energy from a battery. A parallel circuit uses current from an outlet or generator.

Clayton attempts to construct an electric circuit using a battery, light bulb, paper clip, and copper wire. The diagram below illustrates his setup. Which statement best explains why the circuit fails to conduct electricity?

The circuit is not complete loop.

The circuit lacks a power source.

The light bulb uses the electric current.

The paper clip stops the electric current.

The circuit shown below includes a battery, a switch, and three light bulbs. What will occur if the switch is closed and Bulb A is taken out?

Bulb B will remain lit, and Bulb C will go out.

Bulb C will remain lit, and Bulb B will go out.

In the circuit shown below, light bulbs are positioned at A, B, and C. When the switch is closed, all three bulbs light up. If Bulb B burns out, what will happen to Bulbs A and C?

Both Bulbs A and C will stay lit.

Both Bulbs A and C will go out.

Bulb A will go out, but Bulb C will stay lit.

Bulb C will go out, but Bulb A will stay lit.

In the light bulb shown below, the filament emits a bright glow when the switch is turned on. What type of energy transformation takes place in the filament?

electrical energy into thermal energy and light energy

chemical energy into light energy

light energy into electrical energy

potential energy into thermal energy and light energy

When the switch in the circuit below is closed, the electrical circuit is completed. Which devices will activate when the switch is closed?

buzzer, electric motor, and light bulb

buzzer and electric motor, but not light bulb

Electric circuits are classified into two main types: series circuits and parallel circuits. Which statement explains how a series circuit differs from a parallel circuit?

In a series circuit, there is only one possible path that current can follow. In a parallel circuit, there are two or more possible paths.

A series circuit provides current to one of two devices. A parallel circuit provides current to many devices.

In a series circuit, current flows in one direction. In a parallel circuit, current flows in both directions.

A series circuit uses electrical energy from a battery. A parallel circuit uses current from an outlet or generator.

Many households use electric ovens for cooking. What type of energy transformation takes place in an electric oven?

electrical energy into thermal energy

Thermal energy into light energy

thermal energy into electrical energy

electrical energy into energy of motion

When you enter a dark room, you flip a switch on the wall to turn on the lights. What is the function of the wall switch?

It closes a circuit so that electric current can flow through the lights.

It transforms electrical energy into light energy.

It produces the electric current that the light uses

It carries electric current from the wall to the lights on the ceiling.

What is the function of a circuit breaker?

to shut off the current if a circuit is overloaded

to split electric current into different circuits

to switch off a circuit when it is not being used

to match the amount of current to what is needed

An electric circuit has a maximum capacity for safely carrying electric current. When too many appliances are connected to a single circuit, the current may exceed this safe limit. What are the consequences of excessive current in a circuit?

Wires in the circuit become hot

Electrons stop moving in the wires.

Some of the appliances stop working

Part of the current flows backward toward the outlet

An electric circuit has a maximum capacity for safely carrying electric current. When too many appliances are connected to a single circuit, the current may exceed this safe limit. What are the consequences of excessive current in a circuit?

battery or other source of current

Over time, the filaments in light bulbs wear out and eventually break, causing the bulbs to stop working. However, when one light bulb in a room burns out, the others continue to function. What explains why the broken filament does not interrupt the flow of electricity to the remaining lights?

The light bulbs are in a parallel circuit so they continue to get current.

light bulbs do not use very much electricity

the lights are part of a series circuit so they continue working

Electrons do not stop flowing when one part of a circuit breaks

When you plug in your lamp and switch it on, the light does not turn on. Which of the following could be a possible reason for this?

You plugged the lamp into an open circuit

You plugged the lamp into a closed circuit

You plugged the lamp into a series circuit

You plugged the lamp into a parallel circuit

Unit 7 Study Guide

Authored by Heather Strickland

Science

5th Grade

NGSS covered

Used 62+ times

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51 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A material that resists the flow of electrical charges.

Conductor

Insulator

Wire

Copper

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A material that readily allows electric charges to pass through.

Insulator

plastic

rubber

Conductor

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A path that is along which electric charges can flow.

Closed Circuit

Circuit

Opened Circuit

Electrical circuit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are no breaks in its path

Opened Circuit

Electrical Circuit

Closed Circuit

Circuit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The path that is broken, and charges cannot flow.

Closed Circuit

Circuit

Electrical Circuit

Open circuit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _________ controls the flow of charges by opening and closing the circuit.

solar

switch

panel

buttons

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This has only one path for electric charges to follow. If any part of the path breaks, the circuit is open.

series circuit

open circuit

parallel circuit

closed circuit

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Unit 7 Study Guide

A material that resists the flow of electrical charges.

A material that readily allows electric charges to pass through.

A path that is along which electric charges can flow.

There are no breaks in its path

The path that is broken, and charges cannot flow.

A _________ controls the flow of charges by opening and closing the circuit.

This has only one path for electric charges to follow. If any part of the path breaks, the circuit is open.

A circuit with several different paths for the charges to follow. If one part of the circuit breaks, the charges can still flow along the other parts.

As electric charges flow through conductors, they produce ________.

If the conductor gets too hot, the insulation can ________.

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