Year 7 Revision Lab Safety ,particle model and separating mixtures Flashcards
Give the meaning of this word
Toxic
Can be poisonous if spilt on skin and also can be poisonous if eaten, drunk or irritated to the eyes.
Give the meaning of this word
Oxidising
Acts as a source of oxygen and can help substances to burn
Give the meaning of this word
Corrosive
Can cause chemical burns to the skin or other materials like wood
Give the meaning of this word
Flammable
Catches fire easily
Give the meaning of this word
Harmful
Can be harmful if spilt on the skin, also harmful if eaten, drunk or get into the eyes
Give the meaning of this word
Explosive
May explode
Give the meaning of this word
Irritant
Can be irritating if is spilt on skin can also be irritating if eaten , drunk or get in your eyes
Look in booklet about the Hazard symbols
Have you looked
Name a good lab safety rule
Name the state change of
Liquid to gas
Liquid ➡️➡️➡️➡️gas
⬆️
Evaporation
Name the state change of
Solid to gas
Solid➡️➡️➡️➡️gas
⬆️
Subliming
Name the state change of
Solid to liquid
Solid➡️➡️➡️➡️liquid
⬆️
Melting
Name the state change of
Gas to liquid
Gas➡️➡️➡️➡️liquid
⬆️
Condensation
Name the state change of
Liquid to solid
Liquid ➡️➡️➡️➡️solid
⬆️
Freezing
Name the state change of
Gas to solid
Gas➡️➡️➡️➡️solid
⬆️
Solidifying
In dissolving what is the solid called that goes into the liquid
Solute (solid)
Match the words with the definitions
Mixture A solid that dissolves
Solute. Method used to separate a soluble solid from a liquid
Solvent. If a solute doesn’t dissolve in a solvent then it is …
Solution Two or more substances ‘jumble up’ together
Soluble. When a liquid changes into a gas
Insoluble A liquid that doesn’t dissolve
Distillation If a solute dissolves in a solvent then it is…
Evaporation When a gas changes into a liquid
Condensation Formed when a solute completely dissolves in a solvent
Mixture
If a solute (solid) into a liquid what is the liquid called
Solvent (liquid)
