Solids
Particles in this state are packed closely together in a fixed arrangement.
What is a solid?
This change occurs when ice become water.
What is melting?
Particles in this state are far apart and move freely in all directions.
What is gas?
In salt water, water is the............?
What is the solvent?
Rain, snow and hail are all forms of this.
What is precipitation?
A student mixes salt and water. After several days, the water disappears, leaving salt crystals behind. This change uses a process that is also part of the water cycle.
What is Evaporation?
Particles in this state can move around each other but remain close together.
What is a liquid?
The layer of gases surrounding earth is called the....
What is the atmosphere?
A mixture formed when one substance dissolves completely in another.
What is a solution?
Water vapour cools and changes into tiny liquid droplets during this process.
What is condensation?
This change occurs when water becomes ice.
What is freezing?
A student dissolves 3 spoons of sugar in a glass of water. Name the solvent and the solute.
What is sugar as the solute and water as the solvent?
This gas makes up the largest part of the Earth's atmosphere.
What is Nitrogen?
The amount of solute that dissolves can depend on this factor that increases when water is heated.
What is temperature?
The continuous movement of water between the Earth's surface and atmosphere is called this...
What is the water cycle?
When water evaporates from a salt solution, this remains behind.
What is salt?
Air contains this gas form of water.
What is water vapor?
Trees help improve air quality by taking in this gas.
What is carbon dioxide?
The substance being dissolved is called this.
What is a solute?
The sun provides the energy for this process in the water cycle.
What is evaporation?
Particles in a solid mainly do this.
What is vibrate?
Evaporation and condensation are opposite processes because one forms a gas and the other forms a .....
What is a liquid?
Volcanoes can release ash and gases that cause this type of pollution.
What is air pollution?
This type of mixture contains particles that settle at the bottom over time.
What is a suspension?
This is where most of Earth's water is stored.
What is the Ocean?