Physical Science 1110 Checkup #1
type of matter is to be studied.... ...means the matter is to be examined
Chemistry has been divided into smaller fields of study based on what ____ __ ______ __ __ __ _______ and by what ______ ___ ______ __ __ __ ________.
plasma
Matter of the sun and other stars is in this phase.
solid
Molecules exert a strong attraction for each other and do not move far apart.
g. b, c, and d
Of the following, _____ could not be a symbol of an element a. Ci b. AX c. q d. Tybt e. X f. a, b, and d g. b, c, and d h. all of the above
a and d
Plasma is the subject of intense study today because a. its atoms can be fused together to produce energy b. it is easily produced in a controlled setting c. it is very stable d. scientists believe it could meet future energy needs e. a and b f. b and c g. a and b h. all of the above
liquid
Substance can be poured, will flow, and takes on the shape of its container.
gas
Substance will expand to fill the container; if it is not contained, it will expand in every direction indefinitely.
g. b, c, and d
The categories of homogeneous substances include..... a. atoms b. elements c. solutions d. compounds e. a and b f. a, b, and s g. b, c, and d h. all of the above
e. a and b
The chemical properties of oxygen include the fact that it..... a. combines with hydrogen to form water b. reacts with iron and moist air to form iron oxide c. is used by plants, animals, and man during respiration d. is given off by plants during photosynthesis e. a and b f. a, b, and d g. all of the above h. none of the above
e. a, b, and c
The parts of an atom include..... a. electrons b. protons c. neutrons d. morons e. a, b, and c f. b, c, and d g. all of the above h. none of the above
h.all of the above
The physical properties of a substance include its... a. malleability b. solubility c. hardness d. electrical conductivity e. a, c, and d f. b, d, and e g. b, c, d, and e h. all of the above
When a solid is heated, the molecules absorb energy, move faster, collide with each other, and move farther apart.
What happens to the molecules when a solid is heated?
physical chemistry
electricity, light, nuclear energy a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry
inorganic chemistry
minerals, metals a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry
biochemistry
photosynthesis, disease a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry
physical properties
properties that can be observed without changing the chemical composition of a substance
chemical properties
properties that describe how a substance reacts with other substances to produce a new substance with different properties
organic chemistry
proteins, carbohydrates, fats, fossil fuels a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry
classification
the organisation of matter into categories
chemistry
the science that deals with the structure, composition, and properties of matter and the transformations that this matter undergoes
element
the simplest homogeneous substance
atom
the smallest particle of an element that still retains the physical and chemical properties of that element
physics
the study of energy
chemistry
the study of matter
gas
A ___ has no definite volume or shape.
solid
A _____ has a definite volume and definite shape .
liquid
A ______ has a definite volume, but no definite shape.
plasma
A _______ is composed of ionised particles that can conduct electricity.
distance, molecules, force
As the ________ between _________ increases, the _____ of attraction between them decreases.
compressible
Because a solid is not ____________, it cannot be squeezed into a smaller volume or different shape easily.
matter
anything that contains mass and occupies space
properties
characteristics that distinguish one substance from all others.
analytical chemistry
criminal investigations a. analytical chemistry b. organic chemistry c. biochemistry d. inorganic chemistry e. physical chemistry