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