Physical Science 2A CCA 2021-22 Question Preview (ID: 57628)
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anything that occupies space and has mass
a) matter
b) energy
c) molecules
d) waves
Light, sound, and ______ are not matter.
a) oxygen
b) air
c) gas
d) heat
The atomists, were led by _________
a) Aristotle
b) Democritus
c) Newton
d) Brown
The atomists believed that all matter was made of _______ atoms
a) magnetic
b) chemical
c) indivisible
d) separable
Democritus proposed the Greek word _________, which means uncuttable
a) molecule
b) cuttos
c) invincible
d) atomos
________ opposed this belief of the atomists.
a) Aristotle
b) Socrates
c) Plato
d) Democritus
Aristotle did not believe that matter was made up of tiny particles called atoms, but rather matter up of basic elements, ________, water, air, and fire.
a) oxygen
b) salt
c) earth
d) metal
Aristotle felt you could cut matter apart ___________.
a) slowly
b) indefinitely
c) quickly
d) once
Aristotle’s understanding was eventually __________.
a) approved
b) authorized
c) sanctioned
d) discarded
The earliest evidence for matter as particles came from _________ laboratories of the 1700s.
a) chemistry
b) biology
c) anatomy
d) alchemy
Chemists were studying the _______ of materials produced when they burned certain substances.
a) volumes
b) densities
c) masses
d) melting points
Chemists of the 1700s noticed that the ratios of the mass of the burned substances to the masses of the products were usually whole _________ ratios.
a) other
b) decimal
c) world
d) number
Each time a material was burned, the reactants always combined in the same _______.
a) ratio
b) day
c) hour
d) minute
The law that states that the masses of chemical substances combine in definite integer ratios when forming compounds is called the law of _________ proportions.
a) duo
b) density
c) determinite
d) definite
English botanist Robert ______ was studying tiny plant spores with a microscope.
a) Whhite
b) Brown
c) Green
d) Gould
Brown hypothesized that particles of the fluid were colliding with the parts from the spores, causing their random motion. Today we call this Brownian ________.
a) vibration
b) motion
c) lifting
d) circulation
Which of the following is NOT matter?
a) glass
b) heat
c) carbon
d) air
Which of the following IS matter?
a) light
b) sound
c) air
d) magnetism
What is the amount of matter in an object?
a) volume
b) density
c) mass
d) molecules
What is the space enclosed or occupied by an object?
a) volume
b) mass
c) matter
d) atom
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