Dynamic

Isnin, 28 September 2009

1. Force
A force is a push and pull. That's mean there are two force(pushing force and pulling force)

Examples for Pushing Force
1. Pushing a door open
2. Kicking a ball
3. Cutting a paper with a pair of scissors
4. Squezzing a shirt

Examples for Pulling Force
1. Strecthing a rubber band
2. Lifting a box from the floor
3. Climbing tree

Please note that force cant be seen. However we can see its effect when its acts on things/object around us

A force can change the
1. Shape
2. Size
3. Position
4. move
5. speed
6. direction

There are many types of force, actually there are just a kind of push and pull.

the types are:
1. Frictional Force
2. Gravitional Force
3. Magnetic force
4. Electrostatic force
5. Electromagnetic force
6. Electric force

AIR PRESURE

Isnin, 14 September 2009

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INTERDEPENDENCE AMONG LIVING ORGANISMS

Isnin, 20 Julai 2009

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