EXAMINATION TEST 2026 COMPLETE
QUESTIONS AND ANSWERS GRADED A+
◉ Define Matter. Answer: Anything that has mass and occupies
space
◉ Define Scientific method. Answer: path of discovery that leads
from question and observation to law or hypothesis to theory,
combined with experimental verification of the hypothesis and any
necessary modification of the theory
◉ physical change. Answer: does not affect the chemical makeup of a
substance
◉ chemical change. Answer: change in chemical makeup of a
substance
◉ define matter:. Answer: is defined as anything that occupies space
and has mass, and it is all around us.
◉ Identify the three common states of matter. Answer: solid , liquid,
and gasses
, ◉ describe waters state of matter. Answer: A liquid flows and takes
the shape of a container, except that it forms a flat or slightly curved
upper surface when acted upon by gravity. (In zero gravity, liquids
assume a spherical shape.)
◉ describe solid state of matter. Answer: is rigid and possesses a
definite shape.
◉ describe gasses state of matter. Answer: A gas takes both the
shape and volume of its container.
◉ Classify matter as an element. Answer: Pure substances that
cannot be broken down into simpler substances by chemical
changes are called elements.
◉ Classify matter as an compound. Answer: Pure substances that
can be broken down by chemical changes are called compounds.
◉ Classify matter as an homogenous mixture. Answer: A
homogeneous mixture, also called a solution, exhibits a uniform
composition and appears visually the same throughout. (Gatorade)
◉ Classify matter as an heterogenous mixture. Answer: A mixture
with a composition that varies from point to point is called a