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WorksheetsScience Q3 Reviewer
Total questions: 38
Worksheet time: 35mins
It is a branch of science that deals with identification of the substances of which matter is composed.
Chemistry
Matter
Mass
It occupies space and has mass.
Mass
Chemistry
Matter
It is the measure of the ammount of matter.
Matter
Mass
This property of matter does not change (can be observed or measured)
Physical Property
Chemical Property
This property can be changed (new substance formed)
Physical Property
Chemical Property
It helps determine how an element might be used.
Hardness
Texture
Flexibility
Malleability
It has visual and tactile quality of a surface.
Hardness
Texture
Flexibility
Malleability
It is quality of bending easily without breaking.
Hardness
Texture
Flexibility
Malleability
It is the ability of a substance to be pounded into thin sheets.
Hardness
Texture
Flexibility
Malleability
Temperature that causes solids to melt.
Melting Point
Boiling Point
Freezing Point
Temperature which causes liquid to boil.
Melting Point
Boiling Point
Freezing Point
Liquid become solid
Melting Point
Freezing Point
________ and _______ believed that "atoms and the voids that surrounds them."
(a)
(a) is a greekword that means indivisible particle.
It is the smallest particle of an element.
It is unit of length to one ten millions of a millimetre.
Consisting two or more atoms combined in a specific arrangement.
What are the three states of matter?
It is a distinctive form of a substance.
Chemistry
Properties of matter
Phases of matter
From solid to liquid
Melting
Freezing
Evaporation
From liquid to solid
Melting
Freezing
Evaporation
From liquid to gas and also known as the cooling process.
Melting
Freezing
Evaporation
From gas to liquid
Condensation
Sublimation
Deposition
From a solid to gas without passing through liquid
Condensation
Sublimation
Deposition
From a gas to solid without passing through the liquid phase.
Condensation
Sublimation
Deposition
It is the region that surrounds the nucleus.
Electron
Electron cloud
Nucleus
It is the center of the atom.
Electron
Electron cloud
Nucleus
Where does the protons and neutrons located at?
Outside the nucleus
Inside the nucleus
Atoms of which all objects are made, are (a) in nature.
Atoms in their most stable state are the neutral with an (a) number of protons and electrons
Protons and neutrons are (a)
Electrons are very much (a)
Protons and neutrons are called (a)
Who invented the "Solid Sphere Model"?
John Dalton
J.J Thomson
Ernest Rutherford
Who invented the "Plum Pudding Model?"
(a)
He discovered the nucleus of an atom using his alpha scattering experiment.
(a)
He invented the "Nuclear Model"
(a)
He found a neutral particle (no net electrical charge) inside the nucles and called this particle neutron.
(a)
