EASY
Earn 100

A lever is a rod that passes through the centre of a wheel.

50% studentsanswered this correctly

Important Questions on Changing Times

MEDIUM
Environmental Studies>Social Science>Changing Times>Workers at Construction area
A sentence has been divided into three parts. Read the sentence carefully and then choose the part that has an error.

A. The spiral groove

B. of a wedge

C. is called a thread.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Iron is a
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Choose from the box.
PAINTER
ELECTRICIAN
CARPENTER
ARCHITECT
MASON
Name the worker who works with pencil scale and paper _____.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
An architect _____ a building.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
A _____ is a machine which looks like a nail with grooves cut into it.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area

Fill in the blank with the correct word using the words given in the box.

(electricity     machine     electrical     moving     energy)

A pair of scissors is an example of _____.

EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Young children sometimes go to work because
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Choose from the box. Name the worker who works with
PAINTER
ELECTRICIAN
CARPENTER
ARCHITECT
MASON
Bricks, cement, and water. _____
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
This is used to open lids.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
An _____ uses a pair of pliers.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
A _____ holds two objects firmly together.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Which simple machine can hold things together?
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
An architect makes the _____ or blueprint of a house.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Choose the odd one out.
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area

Fill the blank by choosing the correct word from the box given below.


The worker who works with paints and brushes is called a _____.

MEDIUM
Environmental Studies>Social Science>Changing Times>Workers at Construction area

Look at the picture below. In the picture, the three men are unable to move the heavy rock. Which options do you think will help these men to move the rock easily? Choose the correct options.

EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area

Choose the right word from the given options:

Simple machines are of _____ (two, six) types.

EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
Choose from the box. Name the worker who works with
PAINTER
ELECTRICIAN
CARPENTER
ARCHITECT
MASON
Wires switches and bulbs. _____
EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area

Fill in the blank with the words given in the bracket.

(Wheel, force, inclined, easy, screw)

A _____ becomes a machine when it is combined with an axle.

EASY
Environmental Studies>Social Science>Changing Times>Workers at Construction area
See-saw is an example of