Sankey diagrams

Sankey diagrams

7th Grade

10 Qs

quiz-placeholder

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Sankey diagrams

Sankey diagrams

Assessment

Quiz

7th Grade

Practice Problem

Medium

Created by

Dewi Nurfita

Used 286+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Where does most of the energy go in this transformation.

Electrical energy
Light
Heat
other

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Where does most of the energy go for this transformation.

heat
electrical
light
joules

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Efficiency is...

The percentage of energy that is actually used to do work
The stuff in the walls that keeps energy in

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The wasted energy in this diagram:

is the bottom arrow.

is the green arrow.

is made of three types of energy.

is the longest arrow.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which of the following is NOT a form of energy?

movement
body mass
heat
food

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a coal fired power station the first step is to burn coal to heat water. Which Sankey diagram could be used to represent this step?

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A washing machine uses 250J of electrical energy to produce 125J of useful energy. How efficient is it?

5%

50%

55%

100%

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