Efficiency

Efficiency

8th Grade

15 Qs

quiz-placeholder

Similar activities

U:1:L5 Temperature

U:1:L5 Temperature

KG - 8th Grade

11 Qs

Science 8 ET LG 1.1

Science 8 ET LG 1.1

8th Grade

10 Qs

Intro and Sound Waves Quiz

Intro and Sound Waves Quiz

8th Grade

15 Qs

SOUND REVISION TEST

SOUND REVISION TEST

6th - 8th Grade

15 Qs

Estuaries Review Quiz

Estuaries Review Quiz

8th Grade

10 Qs

Topic 3 Review

Topic 3 Review

8th Grade

10 Qs

Tears

Tears

8th Grade

10 Qs

Measurement - 1

Measurement - 1

7th - 9th Grade

10 Qs

Efficiency

Efficiency

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS3-4, MS-PS3-5, HS-PS3-1

+4

Standards-aligned

Created by

Lisa Thompson

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of diagram is used to show energy efficiency?

Bar chart

Sankey diagram

Flow chart

Power diagram

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How do we calculate percentage efficiency?

(useful energy out ÷ total energy in) × 100

(useful energy in ÷ total energy out) x 100

(total energy out ÷ useful energy in) x 100

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the efficiency of a bulb with an input energy of 50J, which outputs 40J of thermal energy and 10J of light energy.

10%

20%

25%

50%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which bulb is the most efficient?

Filament bulb

LED light

CFL lamp

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of device might this Sankey be about?

A very efficient LED light bulb

A very inefficient incandescent light bulb

A coal power plant

A wind turbine

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What might a title be for this sankey?

Electrical energy

Efficient light bulb

25 Joules of heat

Sankey for a good heater.

Tags

NGSS.MS-PS3-5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A hairdryer uses 300J of energy to produce 60J of sound energy and 240J of thermal energy. Calculate it's efficiency.

80%

90%

20%

100%

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?