Explanation

• Air is essentially transparent.
• It allows all light to pass through it without scattering or absorbing any of the light.

Explanation

• Fog is a type of cloud that forms at ground level.
• It characterized by a thick cloud of water droplets suspended in the air near the Earth's surface.
• This reduces visibility and creates a misty or foggy condition.

Explanation

• Dew is a common outcome of condensation.
• Where water vapor in the air condenses onto surfaces.
• It forming tiny droplets of water.

Explanation

• When water evaporates, it changes from a liquid to a gas.
• This gaseous state is called water vapor.

Explanation

Melting is the process by which a solid (in this case, ice) changes to a liquid (water) when it is heated and gains energy.

Explanation

• Gases have neither a fixed volume nor a fixed shape.
• As their particles are widely spaced and free to move in any direction, expanding to fill their container.

Explanation

• Liquids have a fixed volume, but their shape changes depending on the container they are in.
• As their particles are close together but free to move past each other.

Explanation

• In a solid, the particles are closely packed and have a fixed position.
• With a regular arrangement that gives the solid its shape and structure.

Explanation

• In a solid, the particles are closely packed and have a fixed position.
• But they still have some freedom to vibrate or oscillate in place, due to their thermal energy.

Explanation

The particles in a gas have the following characteristics:

• They move randomly, with no fixed pattern or direction
• They have unlimited space to move, as there are no boundaries or restrictions
• They move freely in any direction, without any obstacles or barriers
• They can travel long distances, as there are no constraints on their movement