Page 91 - Science class 4
P. 91
Review and Assesseview and Assesseview and Assess
R R
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
Based on The Latest Pattern of New Education Policy 2020.
(LEARNING WITH PLAY :ALL THE WAY)Y :ALL THE WAY)Y :ALL THE WAY)Y :ALL THE WAY)Y :ALL THE WAY)Y :ALL THE WAY)
(LEARNING WITH PLA
(LEARNING WITH PLA(LEARNING WITH PLA
(LEARNING WITH PLA(LEARNING WITH PLA
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
(Learning with Fun Containing all the Desired New Styled Questions)
You And Your Text
You And Your Text
Fill in the blanks with the correct word :
Machines force more liver wind
1. We can move an object by applying ______________ .
2. Friction will be ______________ on a rough surface.
3. ______________ make our life easy.
4. Scissors are an example of a ______________ .
5. Windmills use ______________ energy.
Clear Approach
Clear Approach
Write ‘T’ for true and for false statements : ‘F’
1. Everything that is thrown up need not fall to the ground.
2. Work will be done only if force is applied.
3. All machines are levers.
4. To draw water from the well, a pulley is used.
5. Screws are simple machines.
Substituting Yourself
Substituting Yourself
Give one word for each one of the following :
1. The force that resists the motion of objects ______________
2. The force that pulls objects downwards ______________
3. An ordinary machine ______________
4. The main sources of all energy ______________
Brush Up Your Learning
Brush Up Your Learning
A. Answer the following questions :
1. What is force? Why is it necessary?