Science 8 (Matter)
Authored by Arvie Viray
Science
8th Grade
Used 13+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Who proposed the concept of indivisible atoms?
Dalton
Democritus
Aristotle
Newton
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What constitutes the fundamental unit of matter?
Molecule
Element
Compound
Atom
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What principle do unaltered atoms in chemical reactions support?
Law of conservation of mass
Law of constant composition
Law of multiple proportions
Law of definite proportions
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which state of matter features widely dispersed, constantly moving particles?
Solid
Liquid
Gas
Plasma
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Why does ice transform into liquid water with added energy?
Exothermic process
Endothermic process
Isotropic process
Anisotropic process
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which model best illustrates matter at the submicroscopic level?
Bohr model
Quantum mechanical model
Ball-and-stick model
Space-filling model
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What term describes heat release by a substance?
Endothermic
Exothermic
Isotopic
Anisotropic
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