WorksheetsCheckpoint 2.1 Review
Total questions: 35
Worksheet time: 35mins
Which statement best defines Mechanical Energy?
Energy produced by a machine or moving part.
Energy that is produced by an electrical current in a circuit.
Energy from the sun.
Energy that travels in waves due to vibrations.
Does your desk have kinetic energy right now? Explain and justify your answer.
yes because it is sliding across the room right now
no because it is not moving
yes because it has someone sitting in it
no because it is here on earth
Look at the diagram. What is the term for "B"?
Wire
Switch
Resistor
Voltage source/Battery
Look at the diagram. What is the term for "C"?
Wire
Switch
Resistor/lightbulb
Battery
A material that does not allow electricity to flow through the circuit is known as a _____
conductor
insulator
source
switch
A material that allows electricity to flow through the circuit without disruption is ______
conductor
insulator
switch
source
An example of a conductor of electricity is
rubber
plastic
glass
copper
An example of an insulator of electricity is
rubber
copper
silver
iron
A series circuit has _______ conductive path(s).
one
two
three
four
A parallel circuit has ________ conductive path(s).
one
more than one
zero
What is a circuit with several paths for electricity to flow?
conductor
series circuit
parallel circuit
open circuit
What is a circuit that only has ONE path for electricity to flow?
series circuit
closed circuit
parallel circuit
light bulb
When the switch is closed the buzzer will sound because -
A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?
Light bulb 1 and light bulb 2 will both be on
Light bulb 1 will be off, but light bulb 2 will be on
Light bulb 1 and light bulb 2 will both be off
Light bulb 1 will be on, but light bulb 2 will be off
Light travels...
around corners
in a straight line
in waves
in circles
Light bounces off when it is
reflected
absorbed
refracted
transmitted
Lenses, like camera lenses or microscopes...
reflect light
refract light
absorb light
What do smooth, shiny surfaces do?
reflect light
refract light
absorb light
This is an example of?
Absorb
Reflection
Refraction
Transmition
Thermal energy always moves from hot to cold.
true
false
Reflection is when light...
Bends
Bounces
Absorbs
transmits
Refraction is when light...
Bounces
Transmits
Bends
Absorbs
What is happening in this picture?
Reflection
Refraction
Why does the straw appear to be bent?
light is reflected
light is absorbed
light is turned
light is refracted
In the illustration, the light ray striking the object is-
