Quiz about Physical Science Part 2 Exam Study Guide

Question 1

What is a lens? Fill in the blank: A lens is a __________ material with a curved surface that reflects light rays.

Accepted Answer

transparent

Answer

opaque

Answer

metallic

Answer

reflective

Question 2

What does a convex lens do? Fill in the blank: A convex lens __________ light rays to form images.

Accepted Answer

focuses

Answer

scatters

Answer

blocks

Answer

reflects

Question 3

A concave lens is:

Accepted Answer

a lens that is thinner at the center than at the edges

Answer

a lens that is thicker at the center than at the edges

Answer

a lens that converges light rays

Answer

a lens that forms only real images

Question 4

Fill in the blank: The ______ is the inner lining of the eye converting light into electrical signals that the brain interprets; it contains rods and cones.

Accepted Answer

Retina

Answer

Cornea

Answer

Lens

Answer

Iris

Question 5

Fill in the blank: The ______ is the colored ring of muscle that controls the size of the pupil.

Accepted Answer

Iris

Answer

Cornea

Answer

Retina

Answer

Lens

Question 6

Fill in the blank: The ______ carries signals generated by rods and cones to your brain.

Accepted Answer

Optic nerve

Answer

Cornea

Answer

Retina

Answer

Lens

Question 7

Fill in the blank: The ______ is the transparent covering on the eyeball where light enters the eye.

Accepted Answer

Cornea

Answer

Retina

Answer

Lens

Answer

Iris

Question 8

Where is the image formed in the eye?

Accepted Answer

Image is formed at the retina.

Answer

Image is formed at the cornea.

Answer

Image is formed at the iris.

Answer

Image is formed at the lens.

Question 9

Fill in the blank: A telescope uses ______ and lenses to gather more light from far away objects than the eye does.

Accepted Answer

mirror

Answer

prism

Answer

filter

Answer

antenna

Question 10

Fill in the blank: A microscope uses two ______ lenses with short focal lengths to magnify small, close objects.

Accepted Answer

convex

Answer

concave

Answer

cylindrical

Answer

planar

Question 11

Describe the functions of the three main sections of the ear.

Accepted Answer

The outer ear collects sound waves and funnels them into the ear canal and to the eardrum, which then vibrates. The middle ear transmits the waves, or vibrations, inward by means of three small bones. The inner ear contains the liquid-filled cochlea, which is lined with hair like cells that sway as a result of the vibrations. Nerves carry the information to the brain.

Answer

The outer ear amplifies electrical signals, the middle ear produces sound waves, and the inner ear filters out background noise before sending signals to the brain.

Answer

The outer ear creates sound waves, the middle ear absorbs them, and the inner ear stores them for later use.

Answer

The outer ear detects light, the middle ear processes taste, and the inner ear controls balance only.

Question 12

What is the term for the following definition: type of matter with a fixed composition that cannot be separated by physical means?

Accepted Answer

Substance

Answer

Mixture

Answer

Solution

Answer

Element

Question 13

What is the term for the following definition: substance made up of atoms with same identity?

Accepted Answer

Element

Answer

Compound

Answer

Mixture

Answer

Solution

Question 14

What is the term for the following definition: atoms of two or more different elements combined?

Accepted Answer

Compound

Answer

Element

Answer

Mixture

Answer

Molecule

Question 15

Fill in the blank: ________ are materials made of two or more substances that can be separated by physical means.

Accepted Answer

Mixture

Answer

Element

Answer

Compound

Answer

Solution

Question 16

Fill in the blank: ________ is a homogeneous mixture of particles so small that they cannot even be seen with a microscope and will never settle to the bottom of their container.

Accepted Answer

Solution

Answer

Suspension

Answer

Colloid

Answer

Emulsion

Question 17

Fill in the blank: ________ is a type of mixture with particles that are larger than those in solution, but still too light to settle out.

Accepted Answer

Colloid

Answer

Solution

Answer

Suspension

Answer

Element

Question 18

Fill in the blank: ________ is a heterogeneous mixture containing a liquid in which visible particles settle.

Accepted Answer

Suspension

Answer

Solution

Answer

Colloid

Answer

Emulsion

Question 19

Fill in the blank: Matter is ____________.

Accepted Answer

anything that has mass and takes up space

Answer

a type of energy that moves in waves

Answer

only found in living things

Answer

something that cannot be seen or touched

Question 20

Which of the following best describes the characteristics of solids?

Accepted Answer

B) Definite shape and definite volume; particles closely packed in geometric arrangement

Answer

A) Indefinite shape and definite volume; particles can move past each other

Answer

C) Indefinite shape and indefinite volume; particles spread out

Answer

D) Definite shape and indefinite volume; particles loosely packed

Question 21

Which of the following best describes the characteristics of liquids?

Accepted Answer

Indefinite shape and definite volume; particles can move past each other

Answer

Definite shape and definite volume; particles closely packed in geometric arrangement

Answer

Indefinite shape and indefinite volume; particles spread out

Answer

Definite shape and indefinite volume; particles loosely packed

Question 22

Which of the following best describes the characteristics of gases?

Accepted Answer

Indefinite shape and indefinite volume; particles spread out

Answer

Definite shape and definite volume; particles closely packed in geometric arrangement

Answer

Indefinite shape and definite volume; particles can move past each other

Answer

Definite shape and indefinite volume; particles loosely packed

Question 23

Fill in the blank: The melting point is the ____________.

Accepted Answer

temperature at which a solid melts

Answer

temperature at which a liquid boils

Answer

temperature at which a gas condenses

Answer

temperature at which a liquid freezes

Question 24

Fill in the blank: The freezing point is the ____________.

Accepted Answer

temperature at which a liquid freezes

Answer

temperature at which a liquid boils

Answer

point where a solid evaporates

Answer

temperature at which a gas condenses

Question 25

Fill in the blank: The boiling point is the ____________.

Accepted Answer

temperature at which liquid begins to vaporize

Answer

temperature at which solid melts

Answer

temperature at which gas condenses

Answer

temperature at which liquid freezes

Question 26

Fill in the blank: The condensation point is the ____________.

Accepted Answer

temperature at which a gas condenses

Answer

temperature at which a solid melts

Answer

temperature at which a liquid boils

Answer

temperature at which a solid sublimates

Question 27

Fill in the blank: Fluid is ____________.

Accepted Answer

anything that flows; liquid or gas

Answer

a solid that cannot change shape

Answer

a type of metal

Answer

a form of energy

Question 28

Fill in the blank: Buoyancy is the ____________.

Accepted Answer

ability of a fluid to exert an upward force on an object immersed in it

Answer

tendency of objects to sink in a fluid

Answer

force that pulls objects downward in a fluid

Answer

process of dissolving solids in a liquid

Question 29

Fill in the blank: Archimedes Principle states that the buoyant force on an object is equal to ____________.

Accepted Answer

the weight of fluid displaced by the object

Answer

the volume of the object

Answer

the mass of the object

Answer

the density of the fluid

Question 30

Which of the following best describes the differences among solutions, colloids, and suspensions?

Accepted Answer

Solutions have particles that are evenly distributed and do not settle, colloids have intermediate-sized particles that do not settle, and suspensions have large particles that settle out over time.

Answer

Solutions and colloids both have particles that settle out, while suspensions do not.

Answer

Colloids and suspensions both have particles that are evenly distributed, while solutions do not.

Answer

Suspensions have the smallest particles, colloids have the largest, and solutions are intermediate.

Question 31

Fill in the blank: An ______ is the smallest piece of matter that still has the properties of the element.

Accepted Answer

atom

Answer

molecule

Answer

cell

Answer

compound

Question 32

Fill in the blank: ______ are positively charged particles.

Accepted Answer

Protons

Answer

Neutrons

Answer

Electrons

Answer

Photons

Question 33

Fill in the blank: ______ are neutral or have no charge.

Accepted Answer

Neutrons

Answer

Protons

Answer

Electrons

Answer

Ions

Question 34

Fill in the blank: ______ are negatively charged particles.

Accepted Answer

Electrons

Answer

Protons

Answer

Neutrons

Answer

Photons

Question 35

Fill in the blank: The ______ is located in the very small center of the atom and consists of protons and neutrons.

Accepted Answer

nucleus

Answer

electron cloud

Answer

valence shell

Answer

isotope

Question 36

Atomic mass: ________

Accepted Answer

composed mostly of protons and neutrons in the nucleus; aka mass number

Answer

the number of electrons in an atom

Answer

the number of energy levels in an atom

Answer

the total charge of the atom

Question 37

Atomic number: ________

Accepted Answer

the number of protons in an atom; identifies the element

Answer

the number of neutrons in an atom; determines isotope

Answer

the sum of protons and neutrons; atomic mass

Answer

the number of electrons in an atom; determines charge

Question 38

Isotopes: ________

Accepted Answer

atoms of the same element that have different numbers of neutrons

Answer

atoms of different elements that have the same number of neutrons

Answer

atoms of the same element that have different numbers of protons

Answer

atoms of different elements that have the same number of protons

Question 39

Periodic table: ________

Accepted Answer

organized by increasing atomic number

Answer

organized by increasing atomic mass

Answer

organized by alphabetical order

Answer

organized by color

Question 40

Refer to the diagram of the periodic table entry for Silicon. What is the atomic number of Silicon?

Accepted Answer

14

Answer

12

Answer

16

Answer

20

Question 41

Fill in the blank: Metals are ______ conductors of heat and electricity and are located to the left of the stair step.

Accepted Answer

good

Answer

poor

Answer

insulating

Answer

weak

Question 42

Fill in the blank: Transition elements are the most familiar metals because they often occur in nature ______.

Accepted Answer

uncombined

Answer

as gases

Answer

as liquids

Answer

in compounds

Question 43

Fill in the blank: Inner transition metals include the ______ series and actinide series, and are listed below the main table.

Accepted Answer

lanthanide

Answer

alkali

Answer

halogen

Answer

noble gas

Question 44

Fill in the blank: Nonmetals are poor conductors of electricity and heat, are usually gases or brittle solids, and are located to the ______ of the stair step.

Accepted Answer

right

Answer

left

Answer

top

Answer

bottom

Question 45

Fill in the blank: Metalloids have metallic and non-metallic properties and make up the ______.

Accepted Answer

stair step

Answer

transition metals

Answer

alkali metals

Answer

halogen group

Question 46

Fill in the blank: A ______ is a substance made of the combined atoms of two or more elements.

Accepted Answer

compound

Answer

element

Answer

mixture

Answer

atom

Question 47

Fill in the blank: A ______ tells what elements a compound contains and the exact number of the atoms of those elements.

Accepted Answer

chemical formula

Answer

atomic number

Answer

isotope symbol

Answer

periodic table

Question 48

Fill in the blank: A ______ represents the number of units of each substance; written in front of the chemical formula.

Accepted Answer

coefficient

Answer

element

Answer

isotope

Answer

compound

Question 49

Fill in the blank: A ______ represents the number of atoms in a molecule of a particular element; written at the bottom of an element.

Accepted Answer

subscript

Answer

superscript

Answer

coefficient

Answer

symbol

Question 50

Fill in the blank: A ______ represents the oxidation number or how many electrons have been gained or lost; written at the top of an element.

Accepted Answer

superscript

Answer

subscript

Answer

coefficient

Answer

isotope

Question 51

Fill in the blank: A chemical bond is the ________ that holds together the atoms in a substance.

Accepted Answer

force

Answer

liquid

Answer

color

Answer

sound

Question 52

Fill in the blank: An ion is a ________ or ________ charged atom.

Accepted Answer

positively, negatively

Answer

neutral, stable

Answer

large, small

Answer

hot, cold

Question 53

Fill in the blank: A covalent bond ________ electrons, forms multiple bonds, and occurs between a ________ and a ________.

Accepted Answer

shares, nonmetal, nonmetal

Answer

transfers, metal, nonmetal

Answer

shares, metal, metal

Answer

transfers, nonmetal, nonmetal

Question 54

Fill in the blank: An ionic bond ________ or ________ electrons, is the attraction between opposite charges, and occurs between a ________ and a ________.

Accepted Answer

loses, gains, metal, nonmetal

Answer

shares, loses, nonmetal, metal

Answer

gains, shares, metal, metal

Answer

loses, shares, nonmetal, nonmetal

Question 55

Fill in the blank: A chemical reaction is ____________.

Accepted Answer

a reaction in which one or more substances are changed into completely new substances

Answer

a process where substances only change their shape

Answer

a reaction that does not involve any change in substances

Answer

a process where substances are only mixed but not changed

Question 56

Fill in the blank: The law of conservation of mass states that ____________.

Accepted Answer

total starting mass of all reactant is equal to the total mass of all products

Answer

energy is created during a chemical reaction

Answer

mass can be destroyed in a chemical reaction

Answer

the mass of products is always greater than the mass of reactants

Question 57

Fill in the blank: A catalyst ____________.

Accepted Answer

speeds up a chemical reaction

Answer

slows down a chemical reaction

Answer

is consumed in a chemical reaction

Answer

prevents a chemical reaction from occurring

Question 58

Fill in the blank: An inhibitor ____________.

Accepted Answer

prevents or slows a chemical reaction; interferes with the catalyst

Answer

increases the rate of a chemical reaction; acts as a catalyst

Answer

is always consumed in a reaction; forms new products

Answer

only works at high temperatures; speeds up reactions

Question 59

Compare a covalent bond and an ionic bond.

Accepted Answer

A covalent bond involves sharing of electrons, while an ionic bond involves transfer of electrons.

Answer

A covalent bond involves transfer of electrons, while an ionic bond involves sharing of electrons.

Answer

Both covalent and ionic bonds involve sharing of electrons.

Answer

Both covalent and ionic bonds involve transfer of electrons.

Question 60

Fill in the blank: A ______ is a mixture that has the same composition, color, density, and taste throughout.

Accepted Answer

Solution

Answer

Suspension

Answer

Colloid

Answer

Emulsion

Question 61

Fill in the blank: A ______ is the substance being dissolved.

Accepted Answer

Solute

Answer

Solvent

Answer

Solution

Answer

Suspension

Question 62

Fill in the blank: A ______ is the substance doing dissolving.

Accepted Answer

Solvent

Answer

Solute

Answer

Mixture

Answer

Compound

Question 63

Fill in the blank: Saturated means _________?

Accepted Answer

contains all solute it can hold at a given temperature

Answer

contains no solute at all

Answer

can dissolve more solute at the same temperature

Answer

is always a solid at room temperature

Question 64

Fill in the blank: Unsaturated means _________?

Accepted Answer

able to dissolve more solute at a given temperature

Answer

unable to dissolve any more solute at a given temperature

Answer

containing the maximum amount of solute possible

Answer

a solution that is supersaturated

Physical Science Part 2 Exam Study Guide

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