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