Font size
Worksheets6th Science Review
Total questions: 36
Worksheet time: 19mins
What is the boiling point of water
212 F
300 F
90 F
400 F
(a) is the amount of matter in something
Kool-aid dissolving in water
physical change
chemical change
____ is the transfer of thermal energy between materials by the collisions of particles.
conduction
convection
radiation
heat
At what time was the student stopped?
0-20 minutes
20-40 minutes
40-50 minutes
He never moved
Push or pull exerted on an object
Motion
Force
Inertia
Balanced Force
A(n) ___ is a simple machine that consists of a bar that pivots around a fixed point.
screw
pulley
wedge
lever
If a bicyclist travels 30 kilometers in two hours, her average speed is
60 km/h
30 km/h
15 km/h
12 km/h
Unbalanced force
inertia
net force that does not equal zero, which change an object's motion
push or pull exerted on an object
tendency to resist change.
___ is the rate at which work is done.
work
power
fulcrum
lever
How many different color variations can our eyes detect?
10,0000
1 million
10 million
100 million
1 billion
Force exerted between two surfaces that rub against each other
Friction
Mass
Inertia
Frictionless
____ is anything that has mass and takes up space.
matter
element
compound
mixture
The ___ is the point at which a lever pivots.
work
power
fulcrum
lever
The amount of distance covered in a specific amount of time is ___________.
Velocity
Speed
Displacement
Position
The total distance traveled divided by the time taken to travel that distance is called ___ ___.
reference point
average speed
instantaneous speed
constant speed
Force that pulls object towards earth
air resistance
Gravity
Friction
Frictionless
A device that converts electric energy into thermal energy is a(n) __________.
thermostat
heating appliance
thermal conductor
thermal insulator
a nonsolid state of matter in which the atoms or molecules are free to move past each other
speed
motion
fluid
work
A(n) _____ is a change in size, shape, form, or state of matter in which the matter's identity stays the same.
physical property
chemical property
physical change
chemical change
The amount of matter in an object is the ___.
weight
friction
mass
force
What is the best evidence that an endothermic reaction occurred in the beaker?
color
odor
temperature decreased
gas
A(n) ___ is a device that regulates the temperature of a system.
thermostat
heating appliance
thermal conductor
thermal insulator
A(n) _____ is a material through which thermal energy does not flow easily.
thermostat
heating appliance
thermal conductor
thermal insulator
Which of these are physical changes? Select two answers.
a nail rusts
a twig burns
a ruler breaks
a sugar cube dissolves
Deceleration
a push or a pull
force that pulls us towards earth
Negative Acceleration; slowing down
change in position
A(n) ___ ___ is an energy resource that cannot be used up.
renewable resource
nonrenewable resource
inexhaustible resource
Which of the following is true? Choose one answer.
Aluminum is a conductor of heat. Plastic is an insulator (but not as good as foam).
Plastic is a conductor. Aluminum is an insulator.
both aluminum and plastic are good conductors of heat
both aluminum and plastic are insulators.
A(n) ____ is a substance that consists of just one type of atom.
matter
element
compound
mixture
the combination of all of the forces acting on an object
net force
potential energy
gravity
pressure
___ is a measure of how hard it is to stop a moving object.
weight
inertia
gravity
momentum
Newton's third law of motion describes
balanced forces
centripetal forces
net force
action and reaction forces
A(n) _____ is a change in matter in which the substances that make up the matter changes into other substances with new physical and chemical properties.
physical property
chemical property
physical change
chemical change
A(n) ____ is a type of substance containing atoms of two or more different elements chemically bonded together.
matter
element
compound
mixture
