Test 2: April 2016 Flashcards
Name 3 substances
Solid, liquid, gas
Explain Solids
We can touch it
We can feel if it is hard or soft
Does not change shape
Explain Liquid
Liquid flows
Takes on the shape of its container
Most of the earth is covered in water, flows in rivers or falls as rain
Can stay in an open container
Explain gas
Gas does not have a definitive shape
Spreads to fill the space it is in
Air is invisible and we need it to breathe
Cannot stay in an open container
Name 3 solids
Frozen water - ice Watch Jewellery Crayon Wood Ruler
Name 3 liquids
Juice
Milk
Water - most of the earth is covered in water, flows in rivers and falls as rain
blood
Name some gases
Cooking gas Steam Smoke Mist Air Oxygen
Name water as a solid, liquid, gas
Solid - ice
liquid - water
gas - water vapour
What is evaporation
When liquid is heated and starts to rise and turns to gas
example:
water turns to water vapour
WATER TURNS TO GAS
What is condensation
When gas is cooled and turns to liquid
example
gas (water vapor) is cooled and turns into water - a cloud
Name the process when water changes into a gas
Evaporation
Name the process when water vapour changes into a cloud
Condensation
Name the process when rain changes into a solid
Solidifying
Where does evaporation take place
surface of water when heated
Clay is manufactured into
ceramics like cups