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WorksheetsFinal Review
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The basic SI unit of length is the ____________________.
a)
meter
b)
gram
c)
liter
d)
kelvin
2.
The attraction or repulsion between electric charges is called the ____________________.
a)
electric charge
b)
electric force
c)
electric current
d)
electricity
3.
In a flashlight, the battery is a source of electrical ____________________.
a)
charge
b)
current
c)
voltage
d)
energy
4.
A ramp in a parking garage is an example of a simple machine called a(n) ____________________.
a)
screw
b)
wedge
c)
inclined plane
d)
lever
5.
According to Newton’s third law of motion, the strength of a reaction force is ____________________ the strength of the action force.
a)
opposite
b)
equal to
c)
zero
6.
If two wires of the same material have the same thickness but different lengths, the ____________________ wire will have a greater resistance.
a)
longer
b)
shorter
c)
thinner
d)
thicker
7.
A one-degree change in temperature on the Celsius temperature scale is equal to a one-unit temperature change on the ____________________ temperature scale.
a)
Fahrenheit
b)
Celsius
c)
kelvin
8.
The force applied to a machine is called the ____________________ force.
a)
input
b)
output
c)
efficiency
d)
work
9.
To maintain your body temperature, your body converts chemical potential energy into ____________________ energy.
a)
kinetic
b)
chemical
c)
thermal
d)
mechanical
10.
The handle of a spoon in a bowl of hot soup becomes warm due to heat transfer by the process of ____________________.
a)
radiation
b)
convection
c)
conduction
11.
A large truck and a small car are moving at the same speed. The truck has greater kinetic energy because its ____________________ is greater.
a)
speed
b)
mass
c)
inertia
12.
The SI unit of heat is the ____________________.
a)
watt
b)
joule
c)
kelvin
d)
Newton
13.
If ____________________ is transferred from object A to object B, the temperature of object A decreases.
a)
heat
b)
energy
c)
force
14.
The resistance of a parallel circuit ____________________ as you add more branches.
a)
increases
b)
decreases
c)
stays the same
15.
The form of energy carried by moving charges is called ____________________ energy.
a)
kinetic
b)
mechanical
c)
thermal
d)
electric
16.
A chef sometimes holds the tip of a knife stationary when chopping food. Held this way, the knife is a compound machine made up of a wedge and a _________________________.
a)
first class lever
b)
second class lever
c)
third class lever
17.
The kinetic energy of a book on a shelf is equal to the work done to lift the book to the shelf.
a)
true
b)
false
18.
Average speed is the rate at which an object is moving at a given instant.
a)
true
b)
false
19.
The electrons in an insulator are tightly bound to their atoms.
a)
true
b)
false
20.
In a machine, work output is less than work input because some energy is converted into thermal energy.
a)
true
b)
false
21.
During conduction heat is transferred by the movement of currents within a fluid.
a)
true
b)
false
22.
In transverse waves, the particles of the medium move at right angles to the direction in which the wave is traveling.
a)
true
b)
false
23.
According to Newton’s second law of motion, weight depends on an object’s mass and the net force acting on the object.
a)
true
b)
false
24.
Friction depends on the types of surfaces involved and how hard the surfaces push together.
a)
true
b)
false
25.
For a constant voltage, increasing the resistance will cause the current to decrease.
a)
true
b)
false
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