Solids
Solid
What state of matter is water in a glass?
Liquid
What state of matter is steam or water vapour?
Gas
What is the name of the change from a solid to a liquid?
Melting
What is matter?
Anything that has mass and takes up space.
Name 1 example of a solid
Ice, Table, Chair, any solid
What happens to the shape of a liquid when it is poured into a different container?
It changes shape to fit the container.
Name one gas found in the air.
Oxygen, nitrogen, carbon dioxide, etc.
What is the name of the change from a liquid to a solid?
Freezing
What are particles?
Tiny pieces that make up all matter.
How are particles arranged in a solid?
Tightly packed in a fixed pattern
How are particles arranged in a liquid?
Close together but not fixed in place.
How are particles arranged in a gas?
Far apart from each other.
What is the name of the change from a liquid to a gas?
Evaporation
What does volume mean?
The amount of space an object takes up.
How do particles move in a solid?
Vibrate in place
How do particles move in a liquid?
They slide past each other.
How do particles move in a gas?
Quickly and freely in all directions.
What is the name of the change from a gas to a liquid?
Condensation
What is mass?
The amount of matter inside an object
Explain why a solid keeps its shape
The particles are tightly packed and can only vibrate, not move past each other.
Explain why liquids can flow but solids cannot.
Liquid particles can move past one another, while solid particles are fixed in place.
Explain why a gas fills all available space in a container.
The particles move freely and spread out to fill the space.
An ice cube is left outside on a hot day and eventually disappears. Describe all the changes of state that occur.
Melting (solid to liquid) followed by evaporation (liquid to gas).
What does diffusion mean?
The movement of particles from an area of high concentration to low concentration