List the components of a toaster as given in the study guide.

plug, wires, heating coils, lever

List the components of a wind turbine as given in the study guide.

blades, rotor, generator, tower

blades, engine, solar panel, tower

rotor, generator, battery, blades

tower, blades, motor, solar cell

What is the correct energy transformation for a flashlight?

B) Chemical → Electrical → Light

A) Electrical → Thermal → Light

Inputs and outputs help identify the purpose of a system by:

showing what goes into and comes out of the system

describing the system's internal structure

listing the system's components

explaining the system's history

An energy transformation is:

the process of changing energy from one form to another.

the process of storing energy in batteries.

the process of using energy to create matter.

the process of destroying energy completely.

Components in a system are:

Individual parts that work together to perform a function

Unrelated objects grouped together

The environment surrounding a system

Describe the input, output, and components of a flashlight.

A flashlight uses electrical energy as input, produces light as output, and consists of a bulb, battery, switch, and casing.

A flashlight uses solar energy as input, produces sound as output, and consists of a speaker, solar panel, and wires.

A flashlight uses mechanical energy as input, produces heat as output, and consists of gears, springs, and a metal case.

A flashlight uses chemical energy as input, produces motion as output, and consists of a motor, battery, and wheels.

A system needs components to work properly because:

Each component has a specific function that contributes to the system's overall operation.

Components make the system look more complex.

Systems can work without any components.

Components are only for decoration.

An energy transformation is:

the process of changing energy from one form to another

the creation of energy from nothing

the storage of energy without change

Components in a system are ________. For example, in a computer, the CPU is a component.

individual parts that work together to perform a function

unrelated objects grouped together

Describe the input, output, and components of a flashlight.

A flashlight uses batteries as input, produces light as output, and consists of a bulb, switch, and casing.

A flashlight uses solar panels as input, produces sound as output, and consists of a speaker, switch, and casing.

A flashlight uses water as input, produces heat as output, and consists of a heater, switch, and casing.

A flashlight uses wind as input, produces motion as output, and consists of a motor, switch, and casing.

A system needs components to work properly because:

Each component has a specific function that contributes to the system's overall operation.

Components make the system look more complex.

Systems can work without any components.

Components are only needed for decoration.

Chapter 5: Energy Transformations & Systems Study Guide

Authored by Trina Moody

Science

7th Grade

NGSS covered

Used 1+ times

Chapter 5: Energy Transformations & Systems Study Guide

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42 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of Energy? Fill in the blank: Energy is the ability to ________ or cause change.

do work

rest

consume food

move slowly

Tags

NGSS.MS-PS3-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Energy Transformation? Fill in the blank: Energy Transformation is when energy changes from one ________ to another.

form

color

size

direction

Tags

NGSS.MS-PS3-5

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Mechanical Energy? Fill in the blank: Mechanical Energy is the energy of ________ or position.

motion

heat

sound

light

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Thermal Energy? Fill in the blank: Thermal Energy is ________ energy.

heat

kinetic

potential

chemical

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Light Energy? Fill in the blank: Light Energy is energy we can ________.

see

hear

touch

smell

Tags

NGSS.4-PS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Electrical Energy? Fill in the blank: Electrical Energy is energy carried by moving ________ charges.

electric

thermal

magnetic

mechanical

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Chemical Energy? Fill in the blank: Chemical Energy is energy stored in food, ________, and fuel.

batteries

plastic

water

air

Tags

NGSS.MS-LS1-6

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Chapter 5: Energy Transformations & Systems Study Guide

What is the definition of Energy? Fill in the blank: Energy is the ability to ________ or cause change.

What is Energy Transformation? Fill in the blank: Energy Transformation is when energy changes from one ________ to another.

What is Mechanical Energy? Fill in the blank: Mechanical Energy is the energy of ________ or position.

What is Thermal Energy? Fill in the blank: Thermal Energy is ________ energy.

What is Light Energy? Fill in the blank: Light Energy is energy we can ________.

What is Electrical Energy? Fill in the blank: Electrical Energy is energy carried by moving ________ charges.

What is Chemical Energy? Fill in the blank: Chemical Energy is energy stored in food, ________, and fuel.

What is Sound Energy? Fill in the blank: Sound Energy is energy you can ________.

What is a System? Fill in the blank: A system is a group of ________ that work together.

What is Input? Fill in the blank: Input is what goes into a system (energy, information, ________).

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