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Energy Unit Test Review
Test Description: 6th grade Energy Unit
Instructions: Answer all questions to get your test result.
1) When you see a change in the environment you know that ______ has been transferred.
A
energy
B
heat
C
motion
D
force
2) When a rubber band is stretched, it has _______ energy.
A
chemical
B
nuclear
C
potential
D
kinetic
3) A green plant has ______ energy.
A
thermal
B
electrical
C
kinetic
D
chemical
4) _____ is a fossil fuel.
A
gasoline
B
nuclear fuel
C
water
D
electricity
5) A liquid thermometer works because liquid ____ when warmed.
A
condenses
B
contracts
C
expands
D
solidifies
6) When a pot of water is put on a stove, the water at the top gets hot primarily by _______.
A
convection
B
conduction
C
consensation
D
radiation
7) _____ is an alternative resource.
A
oil
B
natural gas
C
wind
D
coal
8) Heat is _____ energy that is transferred from one object at a certain temperature to another at a different temperature.
A
kinetic
B
solar
C
thermal
D
electromagnetic
9) Which one of the following is NOT an example of work being done?
A
pulling a sled across a field covered with snow
B
lifting a bookbag off the floor
C
pushing a box from the bottom of a hill to the top of the hill
D
the Moon orbiting Earth
10) A device that does work with on ly one movement and changes the size or direction of a force is a(n) _____.
A
screw
B
compound machine
C
effort machine
D
simple machine
11) The amount by which a machine multiplies an input force is called the _____.
A
mechanical advantage
B
resistance force
C
efficiency factor
D
fulcrum
12) An inclined plane with one or two sloping sides that splits objects apart forms a machine called a _____.
A
lever
B
pulley
C
wedge
D
ramp
13) An inclined plane wrapped around a cylinder post is a _____.
A
screw
B
lever
C
wedge
D
ramp
14) When two or more simple machines work together, they are called a(n) _____.
A
effort machine
B
simple machine
C
screw
D
compound machine
15) Which of the following simple machines looks like a wheel with teeth?
A
pulley
B
wheel and axle
C
lever
D
gear
16) The buildup of electric charges on an object is called a _____.
A
circuit charge
B
current charge
C
static charge
D
current circuit
17) A material through which electrons do NOT easily flow is a(n)_____.
A
transformer
B
insulator
C
conductor
D
fuse
18) Two objects will attract one another when they have.
A
opposite charges
B
the same amount of charge
C
no charge
D
like charges
19) One example of a good conductor is _______.
A
rubber
B
wood
C
glass
D
copper
20) The steady flow of electrons through a conductor is _____.
A
an insulator
B
a circuit
C
resistance
D
an electric current
*select an answer for all questions
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