CEA Class:8

CEA Class:8

8th Grade

25 Qs

quiz-placeholder

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CEA Class:8

CEA Class:8

Assessment

Quiz

Science

8th Grade

Medium

Created by

PK Klose

Used 4+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The efficiency of idle (perfect) machine is:

Always less than 100%

Equal to 100%

Always more than 100%

Always 50%

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

On which direction does liquid exerts pressure?

Only upward

Only downwards

In all directions

Only on lateral sides

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which clock measures the accurate time?

Atomic clock

Sand clock

Digital clock

Pendulum clock

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

One day is equal to how many seconds:

3600 seconds

48600 seconds

86400 seconds

864080 seconds

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Formula to calculate momentum is:

P=m×v

P=g×h

P=hdg

P=F:A

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which law of Newton does the launching of rocket works:

First

Second

Third

Fourth

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following consists of kinetic energy?

Burning coal

Running water

Light bulb

Ringing bell

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