"Solid" is a state of matter. If something is solid it will be rigid, tough and will have to be broken or bent to change its shape or volume. Which of the following is not a solid?
"Liquid" is a state of matter. Liquids flow and take on the shape of their containers. Water is the most common liquid on Earth. Which of the following things is also a liquid?
"Gas" is a state of matter. Gas is made up of particles which are much further apart than those in liquids or solids; this means gas is often difficult to see. The air we breathe is mostly made up of four gasses: Nitrogen, Argon, Carbon Dioxide and...
Liquids can become solids when they freeze. For example: ice is the solid form of liquid water. Water freezes and becomes ice when it gets very cold. So, at what temperature does water freeze?
Liquids can become gas when they evaporate. Heat causes most liquids to evaporate. Which of the following actions would turn liquid water into gas water vapour?