unit 1
unit 4
unit 6
unit 8
unit 5
100
What type of element is arsenic (As)?
a metalloid
100
The distance and direction between an object and a reference point is the object's __________?
object's position.
100
Energy is measured in___________________.
joules
100
A ___________ is a device used to keep electrical circuits from overheating
circuit breaker
100
A student drops a basketball with a mass of 2.2 kg. The acceleration of gravity is 9.8 m/s2. The student calculates the weight of the basketball using what equation?
F=21.56N
200
The mass of a ____________________is about equal to the mass of a proton?
a neutron
200
Motion is a change in _____________________.
in position
200
The kinetic energy of an object increases as its ________________ increases.
velocity
200
The statement that current is equal to the voltage difference divided by the resistance is known as ____________.
Ohm's Law
200
How are the electrical force and the gravitational force similar?
their inverse square law relationship and their dependence on the properties of the objects involved
300
The vertical columns in the periodic table are called ____________________?
groups
300
A car was moving at a constant speed and produced the following graph. How fast was the object moving?
2.5 meters per second.
300
____________________ is heat transfer caused by bulk movement of fluid particles.
convection
300
A current of 5 amps flows through a hair dryer with a resistance of 24 ohms. Calculate the voltage of the source.
V=120 V
300
Which factors affect gravitational attraction?
mass and distance
400
Protons have a____________________ charge?
positive charge.
400
if a car is traveling 27 m/s west and comes to a stop in 3 s, what is the car's acceleration?
a=-9m/s²
400
A material that reduces the flow of heat by conduction, convection, and radiation is an__________________.
an insulator
400
As more identical resistors are added in series to a constant voltage source, the power supplied to the circuit ___________________________.
the circuit decreases.
400
Strong and weak forces act over __________________ distances.
extremely small distances
500
Based on the placement on the Periodic Table, elements in the same ____________ have the same number of energy levels.
period (horizontal row)
500
How far can your little brother get if he can travel at 2.5 m/s and in 6 seconds you will discover that his squirt gun has run out of paint?
15 meters in the 6 seconds
500
What is the potential energy of a 3 kilogram-ball when the bowling ball is sitting 5.0 m off the ground? What is its potential energy on the ground?
U=147.15 J
500
Identify the circuit type
The circuit type is a parallel circuit.
500
This force pulls very large objects towards one another. _______________________
gravity