States of Matter
Name the 3 states of matter
Solid, Liquid and Gas
Ice
Moving air is called ______
Wind
Most of the Earth's surface is covered by _____
Oceans
Increase in size
Expand/ Inflate
Water vapour is in a ___________ state
Gas/ Gaseous
Water has no definite ___________ but has a definite ____________
Shape, Volume
A layer of the Earth's atmosphere that allows meteors to lit up
Mesosphere
Name 2 freshwater sources
Lake, river, pond
Decrease in size
Contract/ Deflate
Water vapour has a ____________ shape and a ___________ volume
no definite, no definite
Refers to the water smell
Odour
This layer in the atmosphere is a layer of ozone gas which blocks the harmful UV rays from the Sun
Stratosphere
Masses of ice which flow slowly over land
Glaciers
Refers to how clear or murky the water is
Turbidity
Change of state from liquid to solid at a specific temperature (0 degree Celcius)
Freezing
What happens to the water when we are drying clothes
The water evaporates
State the 5 layers of the Earth's atmosphere (in order, from the closest to the farthest)
Troposphere
Stratosphere
Mesosphere
Thermosphere
Exosphere
What happens to the water when we are drying clothes
The water evaporates
Change of state from gas to liquid which can take place at any temperature
Condensation
State the 3 properties of SOLID LIQUID and GAS according to shape, volume and ease of flow
Solid- definite shape and volume and cannot flow
Liquid- no definite shape, has definite volume and can flow
Gas- no definite shape and volume and can flow
What is the melting point of ice?
What is the freezing point of water?
What is the boiling point of water?
0 degree Celcius
0 degree Celcius
100 degree Celcius
State the 5 layers of the atmosphere and the distances
Exosphere- 1000km
Thermosphere- 690km
Mesosphere- 80km
Stratosphere- 50km
Troposphere- 18km
State 5 sources of water
Seas and Oceans
Lake, Rivers, Ponds
Glaciers
Underground
Refers to the characteristics of water that determine whether it is safe or suitable to be used
Water Quality