General Science

Heat Transfer
Global warming causes
extreme weather and climate changes
extreme cold in summer
skin cancers
skin burns
Author: rikazzz Comment
Particle Model of Matter
A theory that matter is made up of small discrete particles which are like solid balls, was presented by
Democritus
Aristotle
Robert brown
John Dalton
Author: rikazzz Comment
Investigating Space
The star that is less than one and a half of the mass of sun with blowing outer layer off and leaving a tiny cool mass is called
blue giant
yellow star
white dwarf
black dwarf
Author: rikazzz Comment
Electric Circuits and Currents
When water is electrolyzed, the gas collected at cathode, is
sulphur
oxygen
hydrogen
sulphur dioxide
Author: rikazzz Comment
Importance of Water
If not receives treatment, trachoma may cause
deep eye infection
eye injuries
blindness
dizziness
Author: rikazzz Comment
Investigating Space
A reflecting telescope can collect light from a
faint object
close object
black object
white object
Author: rikazzz Comment
Reproduction in Plants
If plants and animals do not reproduce, they would
sick
born
change
extinct
Author: rikazzz Comment
Elements and Compounds
The building blocks of all matter including living and non living things are
element
compound
mixture
solution
Author: rikazzz Comment
Atoms and Atom Model
Isotopes behave the same way in
chemical reaction
bonding
electrical conductivity
physical reaction
Author: rikazzz Comment
Solutions
Zero is the percentage of solubility of salt in
water
alcohol
acid
base
Author: rikazzz Comment

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