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Physical Science Final Review

Total questions: 72

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

What is a dependent variable?

a)

the variable that doesn't change

b)

the variable that is changed

c)

the variable that is impacted by the change

d)

the variable that stays the same

2.

what is an independent variable

a)

the variable that doesn't change

b)

the variable that does change

c)

the variable that is impacted by the change

d)

the variable that stays the same

3.

What is an experiment control?

a)

normal conditions

b)

the independent variable

c)

limiting factor

d)

what you learn after the experiment is over

4.

What is a constant in an experiment?

a)

normal conditions

b)

variables that don't change

c)

variables that do change

d)

the same variables

5.

What does volume measure?

a)

it's not defined for a solid

b)

it's measured in kilograms

c)

the amount of matter

d)

the amount of space matter takes up

6.

What does mass measure?

a)

the milliliters in a beaker

b)

the centimeters on a meter stick

c)

how much matter there is

d)

how much space matter takes up

7.

What does density measure?

a)

the mass divided by the volume of a substance

b)

its' a physical property of a substance

c)

the volume divided by the mass of a substance

d)

how many particles are in a baloon

8.

Which equations are used to measure density? m = mass; v = volume; d = density

a)

m = d/v

b)

d = m/v

c)

m = d x v

d)

v = m/d

9.

What are the units of measure for density?

a)

g/ml

b)

ml/g

c)

g/cm3

d)

ml

10.

choose the pH values for a substance considered an acid

a)

7

b)

2

c)

8

d)

4

11.

choose the pH values for a substance that's a base

a)

10

b)

7

c)

8

d)

3

12.

What happens to density if mass increases?

a)

it decreases

b)

it stays the same

c)

it increases

d)

mass is not connected to density

13.

a loaf of bread has a mass of 500 g and a volume of 2500 cm3 - what is the density of the bread?

a)

0.2g

b)

5 ml

c)

5 g/cm3

d)

0.2 g/cm3

14.

A student has a rectangular block. It is 2 cm wide, 3 cm tall, and 25 cm long. It has a mass of 600 g. Calculate the volume of the block.

a)

30 cm

b)

30 cm3

c)

150 cm2

d)

150 cm3

15.

solids have ....

a)

a definite shape but not volume

b)

a definite shape and volume

c)

a definite volume but not shape

d)

no defined shape or volume

16.

your substance has a pH value of 3 and needs to be neutralized. what substance would you choose?

a)

pH 11

b)

pH 7

c)

pH 3

d)

pH 13

17.

liquids have.....

a)

no shape or volume

b)

a definite shape but not volume

c)

a definite volume but not shape

d)

a definite shape and volume

18.

gases have.....

a)

no definite shape or volume

b)

definite shape and volume

c)

definite shape but not volume

d)

definite volume but not shape

19.

plasma is.....

a)

an ionized gas

b)

4th state of matter

c)

similar to a solid

d)

similar to a gas

20.

particles.....

a)

in a liquid vibrate in place

b)

in a solid vibrate in place

c)

in a gas slide past each other

d)

in a liquid move independently

21.

in a solid if temperature increases what happens to particles?

a)

there is no change

b)

Particles slow down

c)

particles speed up

d)

particles start to move

22.

In a liquid, what happens to particles if temperature decreases?

a)

particles will get farther apart

b)

nothing will change

c)

it will turn into a gas

d)

it will turn into a solid

23.

temperature measures what?

a)

how hot or cold a substance is

b)

the average kinetic energy of particle motion

c)

the time in which it takes particles to start moving

d)

the total energy of all the particles moving

24.

How are kinetic energy and particle movement related?

a)

they are not

b)

if particles speed up, kinetic energy increases

c)

if particles speed up, kinetic energy decreases

d)

if particles slow down, kinetic energy increases

25.

Melting

a)

happens when particles speed up

b)

happens when particles slow down

c)

requires an increase in temperature

d)

is when a solid changes to a liquid

26.

Freezing happens

a)

when particles slow down

b)

when temperature increases

c)

when a liquid changes to a solid

d)

when temperature decreases

27.

Condensation

a)

is an endothermic process

b)

is an exothermic process

c)

requires a temperature increase

d)

slows down particle movement

28.

Evaporation

a)

is an endothermic process

b)

requires particles to speed up

c)

requires particles to slow down

d)

reduces temperature

29.

sublimation

a)

is a very common change of state

b)

changes a substance from a solid to a gas

c)

changes a solid from a gas to a solid

d)

is an endothermic process

30.

Deposition

a)

gas to solid

b)

exothermic process

c)

particles speed up

d)

reduces temperature

31.

Boiling point

a)

physical property

b)

chemical property

c)

physical change

d)

chemical change

32.

melting point

a)

physical property

b)

chemical property

c)

physical change

d)

chemical change

33.

exothermic

a)

increase in temperature

b)

decrease in temperature

c)

removes heat energy

d)

absorbs heat energy

34.

endothermic

a)

increase in temperature

b)

decrease in temperature

c)

releases heat energy

d)

adds heat energy

35.

element

a)

found on the periodic table

b)

pure substance

c)

determined by the number of protons

d)

determined by the number of neutrons

36.

compound

a)

pure substance

b)

chemical formula

c)

found on the periodic table

d)

based upon the number of electrons

37.

heterogeneous mixture

a)

same composition

b)

different composition

c)

pizza

d)

salad

38.

homogeneous mixture

a)

same composition

b)

different composition

c)

chex mix

d)

ice tea

39.

immiscible

a)

means that substances can mix together

b)

means that substances can't mix together

c)

oil and water

d)

ethanol and water

40.

miscible

a)

substances that can mix together

b)

substances that can't mix together

c)

oil and water

d)

ethanol and water

41.

Physical property examples include

a)

flammability

b)

size

c)

shape

d)

behavior

42.

Examples of physical change include

a)

creation of a new substance

b)

phase change

c)

form change

d)

explosion

43.

Examples of chemical properties include:

a)

flammability

b)

reactivity

c)

description

d)

texture

44.

Examples of chemical change include:

a)

phase change

b)

sublimation

c)

rotting food

d)

melting

45.

a solution is

a)

a heterogenous mixture

b)

a homogeneous mixture

c)

needs a solute only

d)

needs a solute and solvent

46.

a solute

a)

is what dissolves in a solution

b)

is what the solution dissolves in

c)

is typically a sugar or salt

d)

cannot dissolve

47.

a solvent

a)

is what dissolves in a solution

b)

is what dissolves the solute

c)

commonly water

d)

usually a sugar or salt

48.

dissolving

a)

what happens when a solvent is added to a solute

b)

is a chemical change

c)

what happens when a solute is added to a solvent

d)

physical change

49.

a suspension is

a)

a homogeneous mixture

b)

orange juice with pulp

c)

milk

d)

a heterogeneous mixture

50.

colloids

a)

particles settle

b)

particles are suspended

c)

particles dissolve

d)

particles can't be seen

51.

Charles' Law

a)

holds temperature constant

b)

holds pressure constant

c)

temperature and volume both increase

d)

temperature increases and volume decreases

52.

Boyle's Law

a)

Holds temperature constant

b)

Holds volume constant

c)

as pressure increases, so does volume

d)

as pressure decreases, volume increases

53.

Law of Conservation of mass states that

a)

mass cannot be created or destroyed

b)

mass changes

c)

mass increases

d)

mass stays the same

54.

Law of Conservation of Energy states that

a)

energy always increases

b)

energy always decreases

c)

energy stays the same, but never changes form

d)

energy is conserved

55.

Democritus Atomic Theory

a)

atoms were divisible

b)

had scientific evidence

c)

atoms were indivisible

d)

plum pudding model

56.

Dalton Atomic Theory

a)

established the definition of an element

b)

atoms were divisible

c)

electron cloud model

d)

discovered the electron

57.

Thomson Atomic Theory

a)

gold foil experiment

b)

discovered the electron

c)

model is a sphere

d)

mass of the atom is located in the center

58.

Rutherford atomic theory

a)

cathode-ray tube experiment

b)

discovered the proton

c)

discovered the nucleus

d)

had no model

59.

the smallest units of matter are called

a)

photons

b)

cells

c)

atoms

d)

positrons

60.

a proton

a)

carries a positive charge

b)

can be found on energy levels

c)

is the same as the atomic number

d)

can be found in the nucleus

61.

an electron

a)

has a neutral charge

b)

can be found in the nucleus

c)

is found in energy levels

d)

carries a negative charge

62.

valance electrons

a)

are found on the outside energy level

b)

are found on the inside energy level

c)

determine an atom's chemical properties

d)

can be shared or transferred

63.

Neutrons

a)

are determined by subtracting the mass number from the protons

b)

are determined by subtracting the protons from the mass number

c)

can change to make isotopes

d)

don't change

64.

a nucleus

a)

contains electrons and protons

b)

has a positive charge

c)

has only protons

d)

has only neutrons

65.

isotopes

a)

are created by changing the number of neutrons

b)

are created by changing the number of protons

c)

are created by changing the number of electrons

d)

are different versions of the same element

66.

a period in the periodic table

a)

is the same as a column

b)

is the same as a group

c)

is the same as a row

d)

is the same as an atomic number

67.

a group in the periodic table

a)

is the same as a column

b)

is the same as a row

c)

is the same as the atomic mass

d)

is the same as the number of electrons

68.

The periodic table is organized by

a)

atomic mass

b)

atomic number

c)

the number of neutrons

d)

energy levels

69.

the main groups in the periodic table or metalloids, metals and

a)

halogens

b)

gases

c)

alkali metals

d)

non-metals

70.

atomic mass is determined by

a)

adding protons and electrons together

b)

subtracting neutrons from protons

c)

adding protons and neutrons together

d)

the number of neutrons

71.

in element box, the atomic number also

a)

is the same as the number of protons

b)

is the same as the number of electrons in a neutral atom

c)

can determine the number of neutrons

d)

explains the chemical properties

72.

The average atomic mass in an element box

a)

connects to the number of protons

b)

is the mass number for the isotopes for an element

c)

connects to the number of electrons

d)

can help in determining the number of neutrons

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