WorksheetsPhysical science 1st sem. exam
Total questions: 110
Worksheet time: 3hrs 1mins
Volume is measured in metrics with?
meters
liters
grams
none of these
What is the formula for work?
M= D/F
M =F/a
M= F/d
M= F x D
When matter changes from one state to another this called?
matter conversion change
phase change
solid t gas change
gas to liquid change
what temperature scale measures water freezing at 0 degrees and water boiling at 100 degrees.
farenheit
Kelvin
celsius
When energy is stored this is?
kinetic energy
potential energy
force energy
none of these
What is acceleration?
change in speed
change in force
change in velocity
change in direction
Boiling water or heating your house is what form of energy?
conduction
radiation
convection
molecular motion
Microwave or forms of light are what type of energy?
conduction
convection
radiation
molecular motion
When energy is moved from one object to another.
conduction
radiation
convection
atomic movement
When the Mackinac bridge has the ability to move due to heat and cold this is?
molecular motion
thermal expansion
conduction
convection
Work or energy is measured in?
heat
force `
joule
temperature
Grams measure what in the metric system.
volume
length
mass
none of these
The motion of atoms or molecules is what form of energy?
mechanical
heat
nuclear
electromagnetic
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?
20 pound object
1 pound object
they would have equal force
A book on your desk would be what type of force?
unequal
equal
unbalanced
balanced
A soccer ball sitting at rest and the ball is kicked, this is what type of force
equal
unequal
balanced
unbalanced
A stairway is an example of?
wheel and axle
imput force
inclined plane
lever
Two inclined planes would make a?
screw
wheel and axle
wedge
none of these
An inclined planed wrapped around a central axis is?
wedge
screw
pully
wheel and axis
an example of a 1st class lever is?
screwdriver
crowbar
wheel barrow
An example of a 2nd class lever is?
wheel barrow
crowbar
catapult
An example of a 3rd class lever is/
crowbar
wheelbarrow
catapult
A screwdriver or socket wrench is an example of?
pully
wheel and axle
inclined plane
The main function of a pully is?
to increase force
to decrease weight
to gain mechanical advantage
to make forces equal
What state of matter are the particles moving freely with no arrangement, move around and slide past each other?
solid
liquid
gass
plasma
What state of matter is tightly packed,vibrate, and do not move around freely.
solid
liquid
gas
plasma
The kinetic theory of matter states
matter stores energy
all particles of matter are in motion
matter has 4 states
Matter has phases
Convert 30°C to Fahrenheit (1.8 x 0C) + 32
860°F
86°F
63.8°F
56°F
Convert 25.6°C to Fahrenheit (1.8 x 0C) + 32
48.1°F
781°F
78.1°F
14.1
Convert 15°C to Fahrenheit (1.8 x 0C) + 32
63.8°F
84.6°F
-9.4°F
59°F
Convert 0°C to Fahrenheit (1.8 x 0C) + 32
0°F
1.8°F
32°F
3.2°F
Convert -30°C to Fahrenheit (1.8 x 0C) + 32
-22°F
22°F
-55°F
1.1°F
100 Celsius is ? Kelvin (K = Celsius + 273)
173 K
373K
273 K
0 K
___________________ is the measure of kinetic energy of particles.
A thermometer
Thermal energy
Farenheit
Temperature
The statement that "the energy within a system remains constant and cannot be created or destroyed, only transformed" best sums up _________.
force
Law of Conservation of Energy
The scientific method
Newton's Third Law
What is energy?
something that picks up things, like a magnet.
Motion of an object
ability to do work
magic rays of sunshine that come down when you're feeling blue.
Which state of matter has definite shape and definite volume?
Solid
Liquid
Gas
Arkansas
d=50 m
w=??
t = 25 seconds
P = ???
A construction worker pushes a wheelbarrow 5 m with a horizontal force of 50 N. How much work is done?
10J
55J
250J
The experiment that used 2 styrofoam cups and 2 thermometers proved ?
chemical reaction
solids changing to liquids
heat transfer
none of these
The experiment that used 2 styrofoam cups and 2 thermometers used what to conduct heat?
stryrofoam
thermometers
room temperature
none of these
Energy always moves from ?
hot gets colder
cold gets hoter
energy can not be transfered
energy goes back and forth
What is the acceleration of a cheetah that goes from 0 m/s to 28 m/s in 1.85 s?
14.73 m/s^2
15.03 m/s^2
15.23 m/s^2
15.13 m/s^2
When building a catapult what forms of energy is present?
kinetic
gravity
potential
stored
What are two types of pulleys?
wings, fries
load. weight
fixed, movable
effort, force
Identify the type of pulley
fixed
moveable
block and tackle or pulley system
Identify the type of pulley
Fixed
Moveable
Block and Tackle or pulley system
What is the ideal mechanical advantage of this pulley system?
4
5
6
7
Which of the following is a renewable source of energy?
Nuclear
Biomass
Coal
What is one of the advantages of using coal
as an energy source in the United States?
Forming acid rain
Producing carbon dioxide gas
It is renewable
It is cheap
What is one disadvantage of producing hydroelectric power?
Dams have environmental impacts
Less energy production on cloudy days
Air pollution
It is a reliable source of energy
What is one advantage of geothermal energy?
Only available in certain locations
No air pollution is produced
Wind is inconsistent
Mining destroys land
Which of the following is a nonrenewable energy resource?
Geothermal
Hydroelectric
Biomass
Oil
Energy generated by splitting large atoms of uranium or plutonium apart.
Nuclear
Geothermal
Hydroelectric
Solar
This method of generating electricity is reliable and quiet and requires very little maintenance. However, electricity cannot be generated at night.
Solar
Geothermal
Hydroelectric
Biomass
Which type of renewable energy uses heat from deep within the earth?
Wind
Solar
Geothermal
Biomass
What did the "bean lab" show about renewable and nonrenewable energy?
What has one kind type of atom?
A substance that contains more than one type of atom
What is the smallest possible particle of an element
thickness of a liquid is called?
the ability of matter to transfer heat or electricity
Choose the state/s of matter that exhibit a DEFINITE SHAPE.
Solid
Liquid
Gas
Gases can be compressed because the particles are
small
large
close together
far apart
Liquids have
definite volume
definite shape
neither definite shape or definite volume
both definite shape and definite volume
Which phase is represented in the model.
Solids
Liquids
Gas
Carousso
If the number of protons equals the number of electrons in the atom the electrical charge is-
negative
neutral
positive
Most of the mass of an atom is found in the ______.
nucleus
proton
electron cloud
isotope
These are the SMALLEST subatomic particles
Proton
Neutron
Electron
An element that conducts heat and electricity poorly.
Metalloid
Proton
Pure Substance
Non Metal
An element that has properties of both metals and nonmetals.
Metalloid
Malleability
Atomic Number
Neutron
The ability of a substance to be rolled or pounded into thin sheets (ex: aluminum foil)
Ductility (Ductile)
Pure Substance
Malleability (Malleable)
Subatomic
Metals are on the:
Left side
Right Side
Stairstep
Nonmetals are on the:
Left side
Right Side
Stairstep
