Font size
WorksheetsICP Pretest
Total questions: 111
Worksheet time: 2hrs 51mins
At what time does this object have a negative velocity?
3 seconds
7 seconds
11 seconds
never
At t= 7s, which cyclist is ahead?
A
B
What is speed?
how far you go
how much distance is covered over a period of time
how fast you accelerate
the change in the location of a object
Total distance divided by total time is
average speed
constant speed
instantaneous speed
acceleration
What is the changing of position over time?
motion
reference point
acceleration
speed
What is motion?
the stopping of an object to a frame of reference
a change in position relative to a frame of reference
the middle ground between light and shadow, between science and superstition, and it lies between the pit of man's fears and the summit of his knowledge
a change in the time in which it takes to get an office referral
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
A ____________ is a push or a pull on an object.
friction
force
magnet
gravity
Forces that have a net force of zero Newtons
Balanced force
Unbalanced force
When the vectors (arrows) point away what function do you use?
Dividing
Multiplying
Subtracting
Adding
The weight of an object varies with the:
pull of gravity
dimensions of the object
volume of the object
Friction is an example of _____________
contact force
non contact force
both of these
none of these
What law is best described by inertia?
1st
2nd
3rd
law of conservation of mass
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
The Law of Inertia (1st law)
The Law of Acceleration (2nd law)
The Law of Conservation of Momentum
Action Reaction Law (3rd law)
What is Newton's First Law
F=ma
Every action has an equal and opposite reaction
An object at rest stays at rest, an object in motion stays in motion.
Friction
A 20 kg bike accelerates at 10 m/s2. what was the force
F = m x a
25 Newtons
20 Newtons
200 Newtons
10 Newtons
Newton's third law states that any action will have a(n) _______ and ______ reaction
Equal and similar
Equal and opposite
Equal and different
Greater and opposite
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
12 N Right No
4 N Left No
12 N Right Yes
4 N Left Yes
Which of the following is an example of convection?
A hair dryer is drying up your hair.
When the AC or heater changes the temperature.
When a car engine turns hot after being turned on.
When you are making soup and the water is rising and lowering.
In heat transfer, heat always flows from the _______________ substance to the _______________ substance.
Hotter to colder
Colder to hotter
Hotter to hotter
Colder to colder
units for work are
newtons
joules
meters
seconds
A system that does not exchange matter or energy with environment.
Open System
Closed System
Isolated System
Plain System
System that exchanges matter or energy with environment.
Open system
Closed System
Isolated System
Plain System
Which description defines heat?
total thermal energy of an object or substance
change in the temperature of a substance in degrees Celsius
energy transferred between objects at different temperatures
average kinetic energy of the particles that make up a substance
A temperature scale that is used mostly in United States.
According to it, water freezes at 32 degrees and boils at 212 degrees.
Celsius
Fahrenheit
Kelvin
All of them
How would you describe the way molecules move when the molecules are solid?
the molecules are moving in place.
the molecules are moving around each other.
the molecules are moving away from each other.
the molecules are not moving
what is a liquid?
a substance that flows freely but is of constant volume
a substance or matter in a state in which it will expand freely
firm and stable in shape
what is a gas?
a substance or matter in a state in which it will expand freely to fill the whole of a container
the basic unit of a chemical element
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
Mass is a measurement of:
the amount of particles a substance has.
the space an object occupies
Avogadro's hypothesis says that if pressure and temperature are the same then...
equal volumes of gas will have an equal number of particles
smaller particles will occupy less volume
the identity of the gas determines the volume
equal volumes of gas will have a number of particles that depends on whether they are elements or compounds
What is happening in this picture of ice melting?
Molecules are speeding up
Molecules are slowing down
What is happening in this picture of water boiling?
Molecules are speeding up
Molecules are slowing down
Which of the following describes covalent bonds?
Bonds form because of opposite charges
electrons are shared to fill outer electron shells
Electrons are transferred between atoms
Covalent bonds are magical
How do you calculate the number of neutrons? *
Mass = Atomic number - Neutrons
Mass - Atomic number = Neutrons
Atomic number = Neutrons
How many valence electrons does the element have?
1
2
3
4
How many protons and electrons does nickel have?
28
58.69
What is the atomic mass?
58.693
28
What do the vertical columns on the periodic table tell us?
The number of orbitals
The number of valence electrons (electrons on the outer most shell)
What type of wave is this?
Electromagnetic
Mechanical
Both Electromagnetic and Mechanical
Which type of wave can travel through mass and a vacuum?
Electromagnetic
Mechanical
Electromagnetic and Mechanical
What shape are electromagnetic waves?
transverse only
compressional only
both transverse and compressional
The number of waves passing a given point each second is:
Frequency
Wave speed
Wavelength
Amplitude
What is the correct formula for wave speed?
Wave speed = frequency x wavelength
Wave speed = amplitude x wavelength
Wave speed = amplitude x period
Wave speed = frequency x period
