8Kd Power and efficiency

8Kd Power and efficiency

1st - 5th Grade

7 Qs

quiz-placeholder

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8Kd Power and efficiency

8Kd Power and efficiency

Assessment

Quiz

Physics, Science

1st - 5th Grade

Medium

Created by

M Garlick

Used 4+ times

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A material that does not conduct heat or electricity is called an...

Conductor

Insoluble

Insulator

Brick

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An example of a good conductor is

Plastic

Wood

Fleece

Metal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Metal is a good conductor because it

Has a shiny surface

Is malleable

Contains free electrons

Is strong

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The only form of heat transfer that can cross a vacuum is...

Conduction

Radiation

Convection

Sound

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Tick the methods of reducing heat transfer from a hot cup of coffee

Wrap it in metal

Wrap it in cotton wool

Put it in a vacuum

Place the cup in a hot place

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cold object is placed in a warm room. Which direction will the energy transfer

From the cold object to the warm room (cold to hot)

From the warm room to the cold object (hot to cold)

7.

OPEN ENDED QUESTION

3 mins • 1 pt

When you go out on a cold day, how does a thick coat help keep you warm? Explain your answer.

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