THEY HAVE THEIR OWN SHAPE, MASS AND VOLUME
Solid
Describe the particle model of a gas.
Particles are spaced far apart. This means gas can have any shape. It can also be squashed easily.
Is this a solid, liquid, or gas?
Solid
What are the three states of matter?
solid, liquid, gas.
Evaporation is a change from _____ state to _____ state.
Liquid to gas
At what temperature does the evaporation happen?
High Temperature
What causes melting?
Heat.
Give 2 daily activities that use evaporation.
evaporation. Drying clothes, sweeping wet floor, drying puddle, cooling down the hot drinks, ironing clothes, drying wet hair, making salt, etc.
What is freezing?
When a liquid cools and it changes into a solid.
When something goes from SOLID to GAS, do the molecules get closer together or farther apart?
Farther Apart
Describe the particle model of a solid.
Particles are tightly packed in fixed positions. This makes it difficult for a solid to change shape.
THEY HAVE MASS AND THEY CAN FLOW AND CAN BE COMPRESSED.
Gases
Describe the particle model of a liquid.
Particles are close together but can slide past each other and change places. This means liquids can change shape easily.
THEY TAKE THE SHAPE OF THEIR CONTAINER
LIQUIDS
THEY HAVE NO VOLUME OR FIXED SHAPE
Gas