Force, Work, and Energy
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Types of Forces: Friction and Gravity
SubtopicTypes of Forces: Friction and Gravity under Force, Work, and Energy for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Friction always acts to _____ the motion of an object.
A.Help
B.Start
C.Slow down or oppose
D.Speed up
- 2.
If you drop a feather and a heavy metal ball at the same time in a place with no air, which force pulls them both down?
A.Friction
B.Magnetic force
C.Gravity
D.Muscular force
- 3.
What would happen if there was no friction between our feet and the ground?
A.We would walk faster
B.We would not be able to walk and would slip
C.We would fly
D.Nothing would change
Download the worksheet for Force, Work, and Energy - Types of Forces: Friction and Gravity to practice offline. It includes additional chapter-level practice questions.
Simple Machines in Daily Life
SubtopicSimple Machines in Daily Life under Force, Work, and Energy for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Energy obtained from flowing water is called:
A.Solar energy
B.Hydro energy
C.Wind energy
D.Sound energy
- 2.
Which of these is a source of geothermal energy?
A.Wind
B.Sun
C.Internal heat of the Earth
D.Flowing water
- 3.
A bottle cap is often removed using a tool that acts as a lever. Which part of the lever is your hand providing?
A.Fulcrum
B.Load
C.Effort
D.Rod
Download the worksheet for Force, Work, and Energy - Simple Machines in Daily Life to practice offline. It includes additional chapter-level practice questions.
Renewable and Non-renewable Energy Sources
SubtopicRenewable and Non-renewable Energy Sources under Force, Work, and Energy for Grade 4 CBSE.
Preview questions (no answers)
- 1.
Work is done when a force moves an object through a certain:
A.Time
B.Distance
C.Weight
D.Temperature
- 2.
Which of these is a renewable source of energy that comes from the heat inside the Earth?
A.Solar energy
B.Geothermal energy
C.Coal
D.Natural Gas
- 3.
When we use a hammer to drive a nail into wood, what are we doing?
A.Applying force
B.Creating gravity
C.Producing light
D.None of these
Download the worksheet for Force, Work, and Energy - Renewable and Non-renewable Energy Sources to practice offline. It includes additional chapter-level practice questions.