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What happens when? (Bacteria disappears completely)
Dead bodies will cover the Earth and chemical elements inside the dead bodies won't be recycled.
What happens when? (A bar magnet is hanged to move freely)
It takes a fixed direction which is north-south direction of the Earth.
How can you separate? (Salt from salty solution)
Evaporation process
How can you separate? (Water contains mud)
Filtration process
How can you separate? (Oil from oil-water mixture)
Separating funnel
How can you separate?(iron filings and sand)
Magnetic attraction
Complete: Like poles .............. each other
Repel
Light can easily transmit through ..................material
Transparent
The ............... contains small light magnet that move freely around a fixed axis.
compass
Food relationship in which both organisms benefit from each other is called ..........
mutualism
................... is a common solvent due to its ability to dissolve thousands of solutes.
Water
Red light + Green light + Blue light =
White light
Compare between primary and secondary light colours according to the definition and examples
Teacher's evaluation
Which of the following is considered a secondary light colour? yellow/ green / blue
yellow
The apple juice is considered as a ........( Gaseous - solution - solid mixture)
Solution
When the magnet is hanged freely, it will take the direction(north-west/ south-north/ east-south)
south & north
