Year 8 Science practice 2023

Year 8 Science practice 2023

8th Grade

70 Qs

quiz-placeholder

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Year 8 Science practice 2023

Year 8 Science practice 2023

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

Created by

Joshua Del Rosario

Used 5+ times

FREE Resource

70 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The energy of an object at rest is called:

nuclear energy

sound energy

potential energy

kinetic energy

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

When you clap your hands, the kinetic energy is transformed into:

heat and sound

potential energy

sound and elastic potential energy

heat and light

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is a type of kinetic energy?

chemical energy

light energy

nuclear energy

elastic energy

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The energy, in the form of fuel, is needed to make a car move along a flat road and to launch a rocket into outer space is converted from:

kinetic energy

chemical energy

thermal (heat) energy

elastic potential energy

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The transfer of heat by the passing of vibrations from particle to particle in a substance is called:

reflection

convection

conduction

radiation

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which would be the most appropriate description of how energy is distributed when a torch is turned on?

70% light energy, 30% thermal energy

70% thermal energy, 30% electrical energy

65% light energy, 30% thermal energy

40% thermal energy, 55% light energy

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Amelie watches a movie on television. Choose the best description of the energy transformations that are happening.

electrical energy → sound energy + kinetic energy

electrical energy → sound energy + light energy

sound energy + light energy + heat energy → electrical energy

sound energy + light energy → electrical energy

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