SCIENCE 3QA

A change of position with respect to its reference point.

• Motion

• Distance

• Speed

was introduced by a

Danish scientist named Hans Christian

Oersted in 1820 when he built an

electromagnetic coil.

is a magnet that is

made by letting electricity pass

through a simple electromagnetic coil

of wire wound around an iron core.

it is formed when an electric current through a wire.

Without electricity, it loses its magnetism.

IN ORDER FOR YOU TO DESCRIBE THE MOTION OF AN OBJECT, YOU

MUST COMPARE IT WITH SOMETHING THAT IS STATIONARY OR NOT

MOVING.

• Motion

• Distance

• Frame of reference

• Spedd

It is the length of the

path between two points.

• Speed

• Distance

• Frame of reference

• Motion

Unit of measurement used by

scientists all over the world.

The SI unit for measuring distances is

• m (meters)

• km (kilometers)

• cm ( centimeters)

(SI Units) for very large distances it is more

common to make measurements in

• m (meters)

• km (kilometers)

• cm (centimeters)

(SI Units) for very small distances it is more

common to make measurements in

• m (meters)

• Km (kilometers)

• cm (centimeters)