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Physical science 1st sem. exam

Total questions: 110

Worksheet time: 3hrs 1mins

Name
Class
Date
1.

Volume is measured in metrics with?

a)

meters

b)

liters

c)

grams

d)

none of these

2.

What is the formula for work?

a)

M= D/F

b)

M =F/a

c)

M= F/d

d)

M= F x D

3.

When matter changes from one state to another this called?

a)

matter conversion change

b)

phase change

c)

solid t gas change

d)

gas to liquid change

4.

what temperature scale measures water freezing at 0 degrees and water boiling at 100 degrees.

a)

farenheit

b)

Kelvin

c)

celsius

5.

When energy is stored this is?

a)

kinetic energy

b)

potential energy

c)

force energy

d)

none of these

6.

What is acceleration?

a)

change in speed

b)

change in force

c)

change in velocity

d)

change in direction

7.

Boiling water or heating your house is what form of energy?

a)

conduction

b)

radiation

c)

convection

d)

molecular motion

8.

Microwave or forms of light are what type of energy?

a)

conduction

b)

convection

c)

radiation

d)

molecular motion

9.

When energy is moved from one object to another.

a)

conduction

b)

radiation

c)

convection

d)

atomic movement

10.

When the Mackinac bridge has the ability to move due to heat and cold this is?

a)

molecular motion

b)

thermal expansion

c)

conduction

d)

convection

11.

Work or energy is measured in?

a)

heat

b)

force `

c)

joule

d)

temperature

12.

Grams measure what in the metric system.

a)

volume

b)

length

c)

mass

d)

none of these

13.

The motion of atoms or molecules is what form of energy?

a)

mechanical

b)

heat

c)

nuclear

d)

electromagnetic

14.

If you dropped two objects off the leaning tower of Pisa, one object weighs 20 pounds and the other 1 pound. Which would have more force?

a)

20 pound object

b)

1 pound object

c)

they would have equal force

15.

A book on your desk would be what type of force?

a)

unequal

b)

equal

c)

unbalanced

d)

balanced

16.

A soccer ball sitting at rest and the ball is kicked, this is what type of force

a)

equal

b)

unequal

c)

balanced

d)

unbalanced

17.

A stairway is an example of?

a)

wheel and axle

b)

imput force

c)

inclined plane

d)

lever

18.

Two inclined planes would make a?

a)

screw

b)

wheel and axle

c)

wedge

d)

none of these

19.

An inclined planed wrapped around a central axis is?

a)

wedge

b)

screw

c)

pully

d)

wheel and axis

20.

an example of a 1st class lever is?

a)

screwdriver

b)

crowbar

c)

wheel barrow

21.

An example of a 2nd class lever is?

a)

wheel barrow

b)

crowbar

c)

catapult

22.

An example of a 3rd class lever is/

a)

crowbar

b)

wheelbarrow

c)

catapult

23.

A screwdriver or socket wrench is an example of?

a)

pully

b)

wheel and axle

c)

inclined plane

24.

The main function of a pully is?

a)

to increase force

b)

to decrease weight

c)

to gain mechanical advantage

d)

to make forces equal

25.

What state of matter are the particles moving freely with no arrangement, move around and slide past each other?

a)

solid

b)

liquid

c)

gass

d)

plasma

26.

What state of matter is tightly packed,vibrate, and do not move around freely.

a)

solid

b)

liquid

c)

gas

d)

plasma

27.

The kinetic theory of matter states

a)

matter stores energy

b)

all particles of matter are in motion

c)

matter has 4 states

d)

Matter has phases

28.

Convert 30°C to Fahrenheit (1.8 x 0C) + 32

a)

860°F

b)

86°F

c)

63.8°F

d)

56°F

29.

Convert 25.6°C to Fahrenheit (1.8 x 0C) + 32

a)

48.1°F

b)

781°F

c)

78.1°F

d)

14.1

30.

Convert 15°C to Fahrenheit (1.8 x 0C) + 32

a)

63.8°F

b)

84.6°F

c)

-9.4°F

d)

59°F

31.

Convert 0°C to Fahrenheit (1.8 x 0C) + 32

a)

0°F

b)

1.8°F

c)

32°F

d)

3.2°F

32.

Convert -30°C to Fahrenheit (1.8 x 0C) + 32

a)

-22°F

b)

22°F

c)

-55°F

d)

1.1°F

33.

100 Celsius is ? Kelvin (K = Celsius + 273)

a)

173 K

b)

373K

c)

273 K

d)

0 K

34.

___________________ is the measure of kinetic energy of particles.

a)

A thermometer

b)

Thermal energy

c)

Farenheit

d)

Temperature

35.
Water boils at 100 degrees on which scale?
a)
Farenheit
b)
Celsius
c)
Kelvin
36.
Water boils at 212 degrees on which scale?
a)
Farenheit
b)
Celsius
c)
Kelvin
37.

The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.

a)

force

b)

Law of Conservation of Energy

c)

The scientific method

d)

Newton's Third Law

38.

What is energy?

a)

something that picks up things, like a magnet.

b)

Motion of an object

c)

ability to do work

d)

magic rays of sunshine that come down when you're feeling blue.

39.
What is the possible or stored energy in an object called?
a)
Thermal Energy
b)
Kinetic Energy
c)
Chemical Energy
d)
Potential Energy
40.
How does potential energy become kinetic energy?
a)
When something hot touches something cool, the potential energy in the hot object is turned into kinetic energy in the cool object
b)
When an outside force acts upon an object with potential energy, that force turns the potential energy into kinetic energy
c)
Potential energy becomes kinetic when an object remains in place and continues to build up more and more energy
d)
Potential energy has no relation to kinetic energy
41.
Kinetic and potential energy both relate to:
a)
Heat
b)
Light
c)
Motion
d)
Chemicals
42.
A ramp.
a)
Lever
b)
Inclined Plane
c)
Wedge
d)
Screw
43.
Mechanical Advantage:  To drive objects apart.
a)
Pulley
b)
Inclined Plane
c)
Wedge
d)
Wheel and Axle
44.
Something similar to a see-saw that can lift an object.
a)
Wedge
b)
Screw
c)
Lever
d)
Wheel and Axle
45.
What type of simple machine is this?
a)
Pulley
b)
Screw
c)
Inclined Plane
d)
Lever
46.
In a first-class lever, ...
a)
the effort is located between the fulcrum and the resistance
b)
the fulcrum is located at the end of the lever
c)
the resistance is located between the fulcrum and the effort
d)
the fulcrum is located between the effort and the resistance
47.
A device in the shape of two inclined planes placed bottom to bottom is called a(n) ...
a)
incline
b)
wedge
c)
wheel and axle
d)
block and tackle
48.
Which of the following items represents a second-class lever?
a)
seesaw
b)
tweezers
c)
crowbar
d)
nutcracker
49.

Which state of matter has definite shape and definite volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Arkansas

50.
Gases are described as having a 
a)
definite shape and indefinite volume
b)
indefinite shape and indefinite volume
c)
definite shape and definite volume
d)
indefinite shape and definite volume
51.
Which state of matter take up ALL the space inside a container? 
a)
solid
b)
liquid
c)
gas
d)
all of the above
52.
Liquids and gases are similar because __________________________.
a)
they both take the shape of their container
b)
they both have their own shape
c)
liquids pour and gases don't
d)
liquids take the shape of the container but gases have their own shape
53.
F=200 N
d=50 m
w=??
a)
4 J
b)
0.25 J
c)
250 J
d)
10,000 J
54.
If 150 Joules of work is needed to move a box 10 meters, what force was used? 
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
55.
When a pendulum swings, at which point is potential energy at its greatest
a)
1
b)
2
c)
3
d)
4
56.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
57.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases 
c)
The kinetic energy decreases while the potential energy increases 
d)
Bothe the potential energy and kinetic energy increase 
58.
How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?
a)
3.8 m
b)
3.7 m
c)
3.2 m
d)
3.6 m
59.
W = 500 Joules 
t = 25 seconds
P = ???
a)
0.05 W
b)
20 W
c)
12500 W
d)
2000 W
60.

A construction worker pushes a wheelbarrow 5 m with a horizontal force of 50 N. How much work is done?

a)

10J

b)

55J

c)

250J

61.

The experiment that used 2 styrofoam cups and 2 thermometers proved ?

a)

chemical reaction

b)

solids changing to liquids

c)

heat transfer

d)

none of these

62.

The experiment that used 2 styrofoam cups and 2 thermometers used what to conduct heat?

a)

stryrofoam

b)

thermometers

c)

room temperature

d)

none of these

63.

Energy always moves from ?

a)

hot gets colder

b)

cold gets hoter

c)

energy can not be transfered

d)

energy goes back and forth

64.
A plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration?
a)
56,000 m/s2
b)
17857 m/s2
c)
-17857 m/s2
d)
-56,000 m/s2
65.
If you are jumping out of an airplane and in the 0.0042 hours it takes for you to jump from the plane to deploy the parachute you change your velocity by 192 km/hr. What is your acceleration?
a)
21875 m/s2
b)
45714.3 m/s2
c)
564 m/s2
d)
192 m/s2
66.
A bus traveling at 45 km/hr comes to rest in 0.005 hours. What is the acceleration?
a)
-9000 m/s2
b)
9000 m/s2
c)
0.01 m/s2
d)
-0.01 m/s2
67.

What is the acceleration of a cheetah that goes from 0 m/s to 28 m/s in 1.85 s?

a)

14.73 m/s^2

b)

15.03 m/s^2

c)

15.23 m/s^2

d)

15.13 m/s^2

68.

When building a catapult what forms of energy is present?

a)

kinetic

b)

gravity

c)

potential

d)

stored

69.

What are two types of pulleys?

a)

wings, fries

b)

load. weight

c)

fixed, movable

d)

effort, force

70.

Identify the type of pulley

a)

fixed

b)

moveable

c)

block and tackle or pulley system

71.

Identify the type of pulley

a)

Fixed

b)

Moveable

c)

Block and Tackle or pulley system

72.
The diagram shows a movable pulley system. When moving a load, this pulley system changes the —
a)
direction of the force.
b)
amount of force needed.
c)
pull of gravity on the load.
d)
overall mass of the rope.
73.

What is the ideal mechanical advantage of this pulley system?

a)

4

b)

5

c)

6

d)

7

74.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
75.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
76.

Which of the following is a renewable source of energy?

a)

Nuclear

b)

Biomass

c)

Coal

77.

What is one of the advantages of using coal

as an energy source in the United States?

a)

Forming acid rain

b)

Producing carbon dioxide gas

c)

It is renewable

d)

It is cheap

78.

What is one disadvantage of producing hydroelectric power?

a)

Dams have environmental impacts

b)

Less energy production on cloudy days

c)

Air pollution

d)

It is a reliable source of energy

79.

What is one advantage of geothermal energy?

a)

Only available in certain locations

b)

No air pollution is produced

c)

Wind is inconsistent

d)

Mining destroys land

80.

Which of the following is a nonrenewable energy resource?

a)

Geothermal

b)

Hydroelectric

c)

Biomass

d)

Oil

81.

Energy generated by splitting large atoms of uranium or plutonium apart.

a)

Nuclear

b)

Geothermal

c)

Hydroelectric

d)

Solar

82.

This method of generating electricity is reliable and quiet and requires very little maintenance. However, electricity cannot be generated at night.

a)

Solar

b)

Geothermal

c)

Hydroelectric

d)

Biomass

83.

Which type of renewable energy uses heat from deep within the earth?

a)

Wind

b)

Solar

c)

Geothermal

d)

Biomass

84.

What did the "bean lab" show about renewable and nonrenewable energy?

a)
Renewable energy is sustainable and replenishable, while nonrenewable energy is finite and depletes.
b)
Nonrenewable energy sources are infinite and sustainable.
c)
Renewable energy cannot be harnessed in urban areas.
d)
Renewable energy is more expensive than nonrenewable energy.
85.

What has one kind type of atom?

a)
Molecule
b)
Element
c)
Compound
d)
Mixture
86.

A substance that contains more than one type of atom

a)
Element
b)
Compound
c)
Molecule
d)
Isotope
87.

What is the smallest possible particle of an element

a)
Compound
b)
Molecule
c)
Atom
d)
Ion
88.

thickness of a liquid is called?

a)
density
b)
pressure
c)
viscosity
d)
temperature
89.

the ability of matter to transfer heat or electricity

a)
Conductivity
b)
Reflection
c)
Absorption
d)
Insulation
90.

Choose the state/s of matter that exhibit a DEFINITE SHAPE.

a)

Solid

b)

Liquid

c)

Gas

91.

Gases can be compressed because the particles are

a)

small

b)

large

c)

close together

d)

far apart

92.

Liquids have

a)

definite volume

b)

definite shape

c)

neither definite shape or definite volume

d)

both definite shape and definite volume

93.

Which phase is represented in the model.

a)

Solids

b)

Liquids

c)

Gas

d)

Carousso

94.
The boiling point of water is ______________.
a)
0° C
b)
50° C
c)
200° C
d)
100° C
95.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
96.

If the number of protons equals the number of electrons in the atom the electrical charge is-

a)

negative

b)

neutral

c)

positive

97.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
98.

Most of the mass of an atom is found in the ______.

a)

nucleus

b)

proton

c)

electron cloud

d)

isotope

99.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
100.

These are the SMALLEST subatomic particles

a)

Proton

b)

Neutron

c)

Electron

101.

An element that conducts heat and electricity poorly.

a)

Metalloid

b)

Proton

c)

Pure Substance

d)

Non Metal

102.

An element that has properties of both metals and nonmetals.

a)

Metalloid

b)

Malleability

c)

Atomic Number

d)

Neutron

103.

The ability of a substance to be rolled or pounded into thin sheets (ex: aluminum foil)

a)

Ductility (Ductile)

b)

Pure Substance

c)

Malleability (Malleable)

d)

Subatomic

104.
How many "valance electrons" are in chlorine?
a)
7
b)
2
c)
17
d)
8
105.
Does this carbon have the correct amount of electrons?
a)
Yes
b)
No, it needs one more
c)
No, it needs two more
d)
No, it needs three more
106.
What is titanium's atomic mass?
a)
47.867
b)
22
c)
26
d)
49
107.
The atomic mass of Boron is 10.81, which means Boron has..
a)
5 electrons and 6 protons, each weigh 1 amu
b)
5 neutrons and 6 electrons, each weigh 1 amu
c)
6 neutrons and 5 protons, each weigh 1 amu
d)
10.81 protons each weighing around 1 amu
108.
In order for me to find the number of neutrons, I must round the atomic mass and then do what?
a)
atomic number-atomic mass
b)
atomic number x atomic mass
c)
atomic mass + atomic number
d)
atomic mass - atomic number
109.

Metals are on the:

a)

Left side

b)

Right Side

c)

Stairstep

110.

Nonmetals are on the:

a)

Left side

b)

Right Side

c)

Stairstep