Y8 Science Energy & Chemistry Revision

Y8 Science Energy & Chemistry Revision

8th - 9th Grade

28 Qs

quiz-placeholder

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Y8 Science Energy & Chemistry Revision

Y8 Science Energy & Chemistry Revision

Assessment

Quiz

Physics, Science, Chemistry

8th - 9th Grade

Hard

NGSS
MS-PS1-4, HS-PS1-4, MS-PS1-1

+2

Standards-aligned

Created by

Kirralee Waterhouse

Used 32+ times

FREE Resource

28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is not a type of potential energy?

Gravitational

Nuclear

Chemical

Kinetic

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a spring is compressed, what type of energy is stored?

Kinetic energy

Chemical potential energy

Elastic potential energy

Sound energy

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main type of energy transformation that occurs when a wood fire is lit?

Chemical potential energy to sound energy

Heat energy to light energy

Chemical potential energy to heat energy

Heat energy to chemical potential energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an energy transformation?

Where a type of energy goes into an object.

Where a type of energy becomes another type of energy.

Where a type of energy goes into another thing and stays the same type of energy.

Where a type of energy becomes more powerful.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The energy efficiency equation is:

EE (%) = total energy (J)useful energy (J)×100EE\ \left(\%\right)\ =\ \frac{total\ energy\ \left(J\right)}{useful\ energy\ \left(J\right)}\times100

EE (%) =useful energy (J)total energy (J)×100EE\ \left(\%\right)\ =\frac{useful\ energy\ \left(J\right)}{total\ energy\ \left(J\right)}\times100

EE (%) = wasted energy (J)useful energy (J)×100EE\ \left(\%\right)\ =\ \frac{wasted\ energy\ \left(J\right)}{useful\ energy\ \left(J\right)}\times100

EE (%) = total energy (J)wasted energy (J) ×100EE\ \left(\%\right)\ =\ \frac{total\ energy\ \left(J\right)}{wasted\ energy\ \left(J\right)}\ \times100

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Examine the Sankey diagram. Which statement is incorrect?

It shows three types of wasted energy.

The process shown is about 35% energy efficient.

The largest arrow shows the useful energy.

The top-most arrow shows the useful energy.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is water NOT on the periodic table?
It is naturally occuring
It is a compound, not an element
It exists as a solid, a liquid, and a gas
Its chemical formula doesn't fit

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