Shiva has just completed vigorous exercise. Which part of the graph most likely shows the time when he has just stopped exercising?
To model the Earth's rotation, you will _________.
ASpin in one place
BJump up and down
CMove back and forth
DWalk around a friend
IT WILL BE DDDDDDDDD
Which of the following are benefits of outdoor activities?
1. They help in bonding with people.
2. They give physical benefits and help in improving health.
3. They increase stress and challenges of life.
4. They increase awareness and concern about our duties to develop a healthy environment.
A 1, 2 and 4 only
B 2 and 3 only
C 1 and 3 only
D 1, 2, 3 and 4
The given diagram shows four gears. Raj applied a force to make the smallest gear P, rotate in a clockwise direction as shown. In which direction will gears Q, R and S rotate?
Select the correct statement about the separation technique shown in the picture.
A Salt from water can be removed using this method.
B This method is used to separate soluble substances from a liquid.
C Stones from sand can be separated using this method.
D It first requires sedimentation.
Rohan tore a sheet of paper into pieces and then burnt them. Identify the irreversible change taking place in the process.
A Tearing the sheet into pieces.
B Burning the pieces
C Both tearing and burning the pieces
D None of these.