Forces - Aurora

Defining words associated with Aurora

Aurora Borealis - Aurora Lights in the Arctic / North

Aurora Australis - Aurora Lights in the Antarctic / South

Particles - a small portion

Atoms - source of nuclear energy

Magnetic poles - Earth’s magnetic field made by swirling motions of molten iron in Earth’s outer core, the north and south magnetic poles are near the geographic poles. This is where the Aurora Lights are centered around.

Geographic poles - the South and North poles (top and bottom of the earth)

Plasma -  a cloud of protons, neutrons and electrons that have become loose so they become another bunch of atoms.

Plasma particles - Small portion/s of plasma

Gas atoms - Atoms made of gas

Oxygen - The air that we breathe in

Hydrogen - a colour and odorless highly flammable gas.

Helium - A gas like element in the sun’s atmosphere and in natural gas, that’s lighter than air.

Forces - Hurricanes

They form over warm oceans of at least 30° C. The water evaporates easily and rises quickly as water vapour as a result of the warm waters. As the water vapour hits the cooler air it forms into water droplets of rain in storm clouds.  When the heat moves quick it creates a spinning pattern around the center of the storm clouds which becomes the eye. Stronger winds move it across the sea where it expands its width and become a bigger threat by gathering more warm moist air.  This also increases the speed and sucking power. Once the wind speed reaches 120 km per hour  it is called a hurricane and given a name so it is easy to identify.

Inertia Forces

What is Inertia?

Inertia is the first law of motion. It is when an object wants to continue what it is already doing. But if an obstacle is put in its way it will resist stopping. An example is a car, if the car suddenly stops moving(brake) the people in the car still want to move but a seat belt will act as an obstacle by stopping you from moving. Also when a stone is kicked it take force to kick it because it doesn't want to stop want its doing, but if it faces an obstacle such as air friction, rough ground or a physical obstacle then it will resist stopping, but eventually stop.

Balance and Unbalanced Forces

What is a Balanced Force?

Balanced Force is when two forces acting on opposite sides of an object are equal in newtons. It causes the object to remain still.

What is a Unbalanced Force?

A unbalanced force is the opposite of a balanced force. An object with unbalanced force moves in the opposite direction to the side that has more force applied.