Select one instrument which work by using electric energy.
solar vehicles
solar water heater
solar stove
refrigerator
Which activity is needed to open a door?
pull
push
pull and push
lift
Find one instrument which work with the help of energy from sun?
Solar water
Refrigerator
Television
Air conditioner
How many types of energy are present?
3
2
4
1
Name the vehicle which runs due to the energy obtained from petrol?
Bike
Cycle
Bus
Tractor
If an object does not move by an activity it is called
work done
force
direction
work not done
What is required to move or stop an object?
Gravity
Friction
Motion
Force
