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Physical Science Cumulative Exam

Total questions: 110

Worksheet time: 55mins

Name
Class
Date
1.

The rate of change of velocity is

a)

momentum.

b)

speed.

c)

acceleration.

d)

force.

2.

The smallest particle of an element that still retains the properties of that element is a(n)

a)

atom.

b)

compound.

c)

mixture.

d)

eelctron.

3.

The standard used for comparison of test results in an experiment is the

a)

variable.

b)

control.

c)

constant.

d)

weight.

4.

In an experiment, a variable that does not change when other variables change is

a)

independent.

b)

control.

c)

dependent.

d)

constant.

5.

The number of protons in an atom's nucleus is the

a)

mass number.

b)

atomic number.

c)

atomic mass.

d)

average mass.

6.

A machine that is a combination of two or more simple machines is a

a)

lever.

b)

wedge.

c)

wheel & axle.

d)

compound machine.

7.

A substance formed from two or more elements in which the exact combination of elements is always the same is a(n)

a)

mixture.

b)

element.

c)

solution.

d)

compound.

8.

The ability of a fluid to exert an upward force on an object immersed in the fluid is

a)

floating.

b)

buoyancy.

c)

power.

d)

a life vest.

9.

The change of one substance into a new substance is a(n)

a)

chemical change.

b)

physical change.

c)

sublimation.

d)

evaporation.

10.

Any characteristic of a substance that indicates whether it can undergo a chemical change is a(n)

a)

physical property.

b)

chemical property.

c)

illusion.

d)

diagnostic factor.

11.

Which particle of an atom surrounds the nucleus and has a charge of 1-?

a)

proton

b)

neutron

c)

quark

d)

electron

12.

What is a substance that has atoms that are all alike?

a)

element

b)

compound

c)

water

d)

carbon dioxide

13.

The explanation of the behavior of molecular matter that says all matter is made of constantly moving particles is

a)

kinetic motion.

b)

kinetic energy.

c)

kinetic theory.

d)

kinesthetics.

14.

Any push or pull exerted on an object is a(n)

a)

force.

b)

work.

c)

power.

d)

energy.

15.

A force that opposes the motion between two touching surfaces is

a)

friction.

b)

motion.

c)

acceleration.

d)

lubrication.

16.

Atoms of the same element that have different numbers of neutrons are

a)

allotropes.

b)

isotopes.

c)

compounds.

d)

rare.

17.

The energy that a moving object has because of its motion is

a)

kinetic theory.

b)

kinesthetic.

c)

potential energy.

d)

kinetic energy.

18.

The attractive force between two objects that depends on the masses of the objects and the distance between them is

a)

friction.

b)

chemical bonding.

c)

gravity.

d)

mass.

19.

A mixture in which different materials are unevenly distributed and are easily identified is

a)

homogeneous.

b)

heterogeneous.

c)

hemophilia.

d)

homosapien.

20.

A solid, liquid, or gas that contains two or more substances blended evenly throughout is

a)

homogeneous.

b)

heterogeneous.

c)

hemophilia.

d)

homosapien.

21.

The law of conservation of energy states that

a)

matter cannot be created or destroyed.

b)

momentum cannot be created or destroyed.

c)

energy cannot be created or destroyed.

d)

mass cannot be created or destroyed.

22.

An element that is typically a hard, shiny solid, is malleable, ductile, and a good conductor of heat and electricity is a

a)

metal.

b)

nonmetal.

c)

metalloid.

d)

synthetic.

23.

An element that is typically a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and is not shiny is a

a)

metal.

b)

nonmetal.

c)

metalloid.

d)

synthetic.

24.

An element that shares some of the properties with metals and some with nonmetals is a

a)

metal.

b)

nonmetal.

c)

metalloid.

d)

synthetic.

25.

The stored energy an object has due to its position is

a)

physical energy.

b)

potential energy.

c)

kinetic energy.

d)

mechanical energy.

26.

The positively charged center of an atom is the

a)

nucleus.

b)

neutron.

c)

quark.

d)

proton.

27.

The property of a moving object that equals its mass times velocity is

a)

friction.

b)

velocity.

c)

acceleration.

d)

momentum.

28.

A neutral particle found inside the nucleus of an atom is a(n)

a)

proton.

b)

electron.

c)

neutron.

d)

quark.

29.

Any change in size, shape or state of matter is a

a)

chemical change.

b)

miracle.

c)

physical change.

d)

sublimation.

30.

Any characteristic of matter that you can observe without changing the identity of the material is a

a)

physical property.

b)

chemical property.

c)

characteristic.

d)

identifier.

31.

Which particle of matter is found inside the nucleus of an atom and has a charge of 1+?

a)

neutron

b)

proton

c)

electron

d)

gamma particle

32.

A compound formed when the negative ions from an acid combine with the positive ions from a base is a

a)

reactant.

b)

element.

c)

halogen.

d)

salt.

33.

The amount of force exerted per unit area is

a)

volume.

b)

buoyancy.

c)

pressure.

d)

velocity.

34.

The scientific method is

a)

a set of investigation procedures.

b)

used by scientists to solve problems.

c)

used in our daily lives to solve problems.

d)

all of the above.

35.

A machine that does work with only one kind of motion is a

a)

compound machine.

b)

bulldozer.

c)

simple machine.

d)

pair of scissors.

36.

The distance an object travels per unit time is its

a)

speed.

b)

acceleration.

c)

momentum.

d)

velocity.

37.

A factor that can cause a change in the results of an experiment is a

a)

constant.

b)

control.

c)

variable.

d)

experiment.

38.

The speed and direction of a moving object is its

a)

speed.

b)

acceleration.

c)

momentum.

d)

velocity.

39.

A fluid's resistance to flow is

a)

viscosity.

b)

velocity.

c)

surface tension.

d)

density.

40.

The gravitational force exerted on an object is its

a)

mass.

b)

weight.

c)

volume.

d)

density.

41.

Which of the following is an example of an SI unit?

a)

foot.

b)

pound.

c)

gallon.

d)

second.

42.

1500 mL =

a)

1.5 L

b)

1,500,000 L

c)

0.1500 L

d)

15 L

43.

2 km =

a)

2000 cm

b)

200,000 cm

c)

0.000002 cm

d)

20 cm

44.

Which of these best defines mass?

a)

the amount of space occupied by an object

b)

the distance between two points

c)

the quantity of matter in an object

d)

the interval between two events

45.

Which of the following is a statement about something that happens in nature, which seems to be true all the time?

a)

theory

b)

hypothesis

c)

scientific law

d)

conclusion

46.

Students drop objects from a height and measure the time it takes each to reach the ground. What is the dependent variable in this experiment?

a)

drop height

b)

falling time

c)

mass of the falling object

d)

weight of the falling object

47.

Which of the following do you calculate when you divide the total distance traveled by the total travel time?

a)

average speed

b)

variable speed

c)

constant speed

d)

instantaneous speed

48.

Which term best describes the forces on an object with a net force of zero?

a)

inertia

b)

acceleration

c)

unbalanced forces

d)

balanced forces

49.

Which of the following is NOT used in calculating acceleration?

a)

initial velocity

b)

time

c)

average speed

d)

final velocity

50.

What is the tendency for an object to resist any change in motion called?

a)

net force

b)

inertia

c)

acceleration

d)

balanced force

51.

Which of the following best descries an object with constant velocity?

a)

it is changing direction

b)

its acceleration is decreasing

c)

its acceleration is zero

d)

its acceleration is negative

52.

Which of the following explains why astronauts seem weightless in space?

a)

Earth's gravity is much less in orbit

b)

the gravity of the earth and sun cancel

c)

the space shuttle is in free fall

d)

the centripetal force on the shuttle balances Earth's gravity

53.

Which of the the following describes why projectiles move in a curved path?

a)

they have horizontal velocity and vertical acceleration

b)

they have momentum

c)

they have mass

d)

they have weight

54.

The acceleration of an object is in the same direction as which of the following?

a)

net force

b)

static friction

c)

air resistance

d)

gravity

55.

Which of the following is NOT a force?

a)

weight

b)

momentum

c)

friction

d)

air resistance

56.

Which of the following would cause the gravitational force between two objects to increase?

a)

decrease the distance between them

b)

increase the distance between them

c)

decrease the mass of one object

d)

decrease the mass of both objects

57.

For which of the following is kinetic energy converted into potential energy?

a)

a boulder rolls down a hill

b)

a ball is thrown upward

c)

a swing comes to a stop

d)

a bowling ball rolls horizontally

58.

The gravitational potential energy of an object changes when which of the following changes?

a)

the object's speed

b)

the object's temperature

c)

the object's height

d)

the object's length

59.

Which of the following is the SI unit for energy?

a)

Newton

b)

Joule

c)

m/s2

d)

Watts

60.

Friction causes mechanical energy to turn into

a)

thermal energy.

b)

kinetic energy.

c)

nuclear energy.

d)

potential energy.

61.

When an energy transformation occurs, which of the following is true?

a)

mechanical energy doesn't change

b)

kinetic energy doesn't change

c)

the total energy doesn't change

d)

potential energy doesn't change

62.

Bending a copper wire is an example of which type of property?

a)

chemical

b)

conservation

c)

physical

d)

element

63.

Which of the following is NOT an element?

a)

water

b)

oxygen

c)

carbon

d)

nitrogen

64.

Which of the following is an example of a chemical change?

a)

boiling

b)

evaporation

c)

melting

d)

burning

65.

How would you classify the color of a rose?

a)

chemical change

b)

chemical property

c)

physical change

d)

physical property

66.

How could you separate salt from seawater?

a)

filtering

b)

distillation

c)

Tyndall effect

d)

melting

67.

Which of the following is a substance?

a)

colloid

b)

element

c)

mixture

d)

solution

68.

WHich of the following warnings refers to a chemical property of a substance?

a)

fragile

b)

handle with care

c)

flammable

d)

shake well

69.

What is the temperature at which all particle motion of matter ceases?

a)

absolute zero

b)

boiling point

c)

melting point

d)

freezing point

70.

What is the most common state of matter in the universe?

a)

solid

b)

liquid

c)

gas

d)

plasma

71.

Which of the following uses Pascal's principle?

a)

aerodynamics

b)

buoyancy

c)

hydraulics

d)

changes of state

72.

Which of the following uses Bernoulli's principle?

a)

airplane

b)

skateboard

c)

piston

d)

snowboard

73.

Which of the principle tells us that the buoyant force is equal to the weight of the fluid displaced?

a)

Archimedes'

b)

Charles's

c)

Bernoulli's

d)

Pascal's

74.

Which law tells us that as the temperature of a gas increases, the volume increases?

a)

Newton's

b)

Archimedes'

c)

Boyle's

d)

Charles's

75.

In which state of matter are most of the elements to the left of the stair-step line in the periodic table?

a)

gas

b)

plasma

c)

liquid

d)

solid

76.

Which of the following is NOT found in the nucleus of an atom?

a)

proton

b)

electron

c)

neutron

d)

quark

77.

The atomic number of Re is 75. The mass of one of its isotopes is 186. How many neutrons are in an atom of this isotope?

a)

75

b)

186

c)

111

d)

261

78.

Atoms of different elements are different because they have different numbers of what type of particle?

a)

quarks

b)

protons

c)

photons

d)

neutrons

79.

How many quarks have been found to exist?

a)

six

b)

eight

c)

twelve

d)

ten

80.

What type of bond is found in a piece of pure gold?

a)

metallic

b)

covalent

c)

ionic

d)

diatomic

81.

Because electrons move freely in metals, which property describes metals?

a)

brittle

b)

dull

c)

soft

d)

conductors

82.

Which set of elements makes up the most reactive group of all metals?

a)

iron triad

b)

alkali metals

c)

coinage metals

d)

alkaline earth metals

83.

Which element is always found in nature combined with other elements?

a)

copper

b)

magnesium

c)

gold

d)

silver

84.

Which elements are least reactive?

a)

metals

b)

noble gases

c)

halogens

d)

alkali metals

85.

Which of these elements is the main component of steel and the most widely used of all metals?

a)

iron

b)

aluminum

c)

cadmium

d)

magnesium

86.

What term describes the group 1 elements lithium, sodium, and potassium?

a)

alkali metals

b)

lanthanides

c)

radioactive elements

d)

transition metals

87.

What name is given to the elements Fe, Co, and Ni, which are used int he processes that create steel?

a)

halogens

b)

actinides

c)

coinage metals

d)

iron triad

88.

Which element is present in ALL organic (living) compounds?

a)

silicon

b)

carbon

c)

oxygen

d)

nitrogen

89.

Which of these is NOT a property of transuranium elements?

a)

occur naturally

b)

have more then 92 protons

c)

are synthetic

d)

are unstable

90.

What type of bond is formed when two elements share electrons?

a)

ionic

b)

metallic

c)

covalent

d)

polyatomic

91.

In the chemical reaction HCl + NaOH --> H2O + NaCl, the reactants are

a)

HCl & H2O

b)

NaOH & NaCl

c)

HCl & NaOH

d)

H2O & NaCl

92.

In the chemical reaction HCl + NaOH --> H2O + NaCl, the products are

a)

HCl & H2O

b)

NaOH & NaCl

c)

HCl & NaOH

d)

H2O & NaCl

93.

The chemical formula for water is

a)

HCl

b)

NaOH

c)

H2O

d)

NaCl

94.

In the following chemical equation, what coefficient should be placed in the blank to balance the chemical equation?

3C + ___H2 --> C3H8

a)

4

b)

3

c)

8

d)

1

95.

In the following chemical reaction, what coefficient should be placed in the blank to balance the chemical equation?

Y(NO3)2 + GaPO4 --> YPO4 + ___Ga(NO3)2

a)

6

b)

2

c)

3

d)

1

96.

What is the average speed of a car that travels 225 km in 3 hours?

a)

675 km/h

b)

75 km/h

c)

.0133 km/h

d)

Not enough information

97.

What is the acceleration of a car that starts from rest and reaches 60 m/s in 60 s?

a)

1 m/s2

b)

3600 m/s2

c)

-1 m/s2

d)

-3600 m/s2

98.

What force is needed for a 10 kg mass to accelerate at 4 m/s2?

a)

2.5 N

b)

0.4 N

c)

4 N

d)

40 N

99.

After 5 hours, a train has gone 1000km. What is the average sped of the train?

a)

5000 km/h

b)

0.005 km/h

c)

200 km/h

d)

20 km/h

100.

A car traveling at 60 m/s stops for a red light and takes 30 seconds to stop. What is the car's acceleration?

a)

-2 m/s2

b)

2 m/s2

c)

0.5 m/s2

d)

1800 m/s2

101.

What is the gravitational potential energy of 10 kg ball lifted to a height of 20 m?

a)

1960 J

b)

200 J

c)

2 J

d)

0.5 J

102.

What is the kinetic energy of a 2 kg bowling ball rolling at a speed of 5 m/s?

a)

10 J

b)

50 J

c)

25 J

d)

250 J

103.

What is the momentum of a 2 kg bowling ball rolling at 5 m/s?

a)

10 kg m/s

b)

50 kg m/s

c)

25 kg m/s

d)

250 kg m/s

104.

Which statement correctly explains what would happen to an astronaut in space after they throw a rock?

a)

The astronaut will remain still because of the law of universal gravitation.

b)

The astronaut would move int he same direction as the rock because of Newton's 1st law.

c)

The astronaut would move in the same direction as the rock because of the law of conservation of momentum.

d)

The astronaut would move in the opposite direction as the rock because of Newton's 3rd Law.

105.

A student must determine the density of an irregularly shaped metal object. Which combination of equipment and method would provide the best quantitative results?

a)

Find the mass with a balance, find the volume by linear measure,and then calculate the density

b)

Find the mass with a balance, find the volume by linear measure,and then calculate the average density by several trials

c)

Find the mass with a balance, find the volume by water displacement, and then calculate the density

d)

Find the mass with a balance, find the volume by water displacement, and then calculate the average density of several trials

106.

Which system uses a nonrenewable energy source to generate electricity?

a)

wind turbines

b)

solar panels

c)

geothermal power plant

d)

nuclear power plant

107.

Which statement best compares scientific theories and laws?

a)

Both theories and laws are important steps in the scientific method

b)

Both theories and laws are irrefutable and final descriptions of nature

c)

Both theories and laws are accepted to be true but are often refuted by new evidence

d)

Both theories and laws are accepted to be true and can be used to make predictions

108.

Which of the following statements best describes the motion of an object with zero acceleration?

a)

It is moving at a constant speed

b)

It is moving ins a straight line

c)

It is slowing down

d)

It is moving at a constant speed in a straight line

109.

Joe gets on his bike and rides 3 miles east, then turns around and rides his bike 4 miles west. Which of the following is true?

a)

The distance he traveled is 1 mile and his displacement is 1 mile west

b)

The distance he traveled is 7 miles and his displacement is 1 mile west

c)

The distance he traveled is 7 miles, and his displacement is 1 mile east

d)

The distance he traveled is 1 mile west and his displacement is 7 miles.

110.

Which of the following is the property of colloids to scatter light?

a)

Flitering

b)

Distillation

c)

Freezing

d)

Tyndall effect

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