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Study sets matching "simple machines science 7"

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Study sets matching "simple machines science 7"

15 terms
Physical Science 7-5 Simple Machines
Simple machines make work easier
Inclined Plane
Screw
Wedge
- increase size of applied force... - change direction of applie…
Sloping surface used to raise objects
An inclined plane wrapped in a spiral around a cylinder
A moving inclined plane with 1 or 2 sloping sides
Simple machines make work easier
- increase size of applied force... - change direction of applie…
Inclined Plane
Sloping surface used to raise objects
Physical Science Chapter 7 Work and Simple Machines
mechanical work (W)
power (P)
simple machine
mechanical advantage (MA)
the equivalent of the amount of energy transferred to an obje…
the rate of doing work, measured in watts (w)
a basic mechanical device that either reduces effort or incre…
a measure of the reduction in effort to do a certain amount o…
mechanical work (W)
the equivalent of the amount of energy transferred to an obje…
power (P)
the rate of doing work, measured in watts (w)
Year 7 Science - Simple Machines
1. What is a machine?
2. What is a simple machine?
3. What three things make up a lever?
4. What is the order of the 3 parts of…
A device that makes a physical task easier (1 mark)
A machine that transfers energy from one object to another (1…
Fulcrum (1 mark)... Load (1 mark)... Effort (1 mark)
Load - Fulcrum - Effort (Fulcrum is in the middle) (1 mark)
1. What is a machine?
A device that makes a physical task easier (1 mark)
2. What is a simple machine?
A machine that transfers energy from one object to another (1…
22 terms
Physical Science Simple Machines
force
friction
bouyancy
forces
A push or pull or turn on an object.
Force created when two objects rub against each other.
Forces for air flight
force
A push or pull or turn on an object.
friction
Force created when two objects rub against each other.
18 terms
Physical Science Simple Machines
force
friction
gravity
Simple Machines
A push or pull or turn on an object.
Force created when two objects rub against each other.
The force that pulls objects toward each other.
Tools that make work easier.
force
A push or pull or turn on an object.
friction
Force created when two objects rub against each other.
16 terms
Science simple machines 7-4
What is a machine
When is work done
What does efficiency measure
Machines more efficientlcy
Any devise that makes work easier by changing a force
When a force a force moves a object over distance
How much import force is used to move
Reduce amount of friction
What is a machine
Any devise that makes work easier by changing a force
When is work done
When a force a force moves a object over distance
11 terms
Science Unit 7 Simple Machines
Types of Simple Machines
first class lever
second class lever
third class lever
lever, wheel and axle, pulley, inclined plane, wedge, screw
fulcrum in middle
resistence in middle
effort in middle
Types of Simple Machines
lever, wheel and axle, pulley, inclined plane, wedge, screw
first class lever
fulcrum in middle
44 terms
7-4 Science ~ Simple Machines
Inclined Plane
Pulley
Simple Machine
Screw
an object with a flat, tilted surface; a simple machine that…
uses grooved wheels & a rope to raise & lower a load
-a simple device with few or no moving parts that changes the…
-a simple machine made of a shaft with grooves that wrap arou…
Inclined Plane
an object with a flat, tilted surface; a simple machine that…
Pulley
uses grooved wheels & a rope to raise & lower a load
17 terms
Science Test Ch. 7: Simple Machines
What are the 6 simple machines?
Lever
Wheel & Axle
Pulley
Lever, Wheel & Axle, Pulley, Inclined Plane, Wedge, Screw
A beam that pivots at on a fulcrum
A wheel that rotates around a pole in the center
A wheel with a rim where a pulled rope can lift a load
What are the 6 simple machines?
Lever, Wheel & Axle, Pulley, Inclined Plane, Wedge, Screw
Lever
A beam that pivots at on a fulcrum
18 terms
Science 5: Simple Machines
lever
fulcrum
load
force
A lever has a fulcrum, beam/bar, load and effort.
The point where the bar (or beam) balances or pivots.
What is being pushed, pulled, lifted or moved. Also known as…
The push, pull, or lift that uses energy to cause motion. Als…
lever
A lever has a fulcrum, beam/bar, load and effort.
fulcrum
The point where the bar (or beam) balances or pivots.
science chapter 7:simple machines
What lever is a bar that is __________…
What is the fixed point or rotation ca…
What is the part of the lever where th…
What is the part of the lever where th…
free to pivot
fulcrum
effort arm
resistance arm
What lever is a bar that is __________…
free to pivot
What is the fixed point or rotation ca…
fulcrum
17 terms
Science Simple Machines
Pulley
Screw
Wedge
Lever
Wheel with grooves that can hold a rope
Inclined plane wound around an axle
One or more inclined planes used to force things apart
A bar that turns on a point
Pulley
Wheel with grooves that can hold a rope
Screw
Inclined plane wound around an axle
Simple Machines Science Olympiad
screw
wheel and axle
pulley
wedge
screw
wheel and axle
24 terms
Science 6th - Simple Machines
pulley
moveable pulley
fixed pulley
pulley system
a grooved wheel with a rope around it
attached to the object being lifted and it decreases the amou…
a pulley attached to a FIXED POINT changing the direction of…
can change the direction of a force and multiply the force
pulley
a grooved wheel with a rope around it
moveable pulley
attached to the object being lifted and it decreases the amou…
Science Olympiad Simple Machines
Simple Machines
6 Simple Machines
friction
force
Tools that make work easier
lever, pulley, screw, wheel and axle, inclined plane, wedge
Force created when two objects rub against each other.
A push or pull on an object.
Simple Machines
Tools that make work easier
6 Simple Machines
lever, pulley, screw, wheel and axle, inclined plane, wedge
8 terms
Physical Science - Simple Machines
Machine
Why is a bicycle a good example of a m…
Machines have i_____ and o_____.
What does INPUT include?
A device with moving parts that work together to accomplish a…
The parts work together to transform forces from muscles in t…
Input and Output
Everything you do to make the machine work.
Machine
A device with moving parts that work together to accomplish a…
Why is a bicycle a good example of a m…
The parts work together to transform forces from muscles in t…
22 terms
Physical Science Simple Machines
force
friction
bouyancy
forces
A push or pull or turn on an object.
Force created when two objects rub against each other.
An upward force on an object in water
can be balanced or unbalanced
force
A push or pull or turn on an object.
friction
Force created when two objects rub against each other.
19 terms
Year 7 Science: Simple Machines Terms
mechanical advantage
First class lever
Lever
Second class lever
...
...
...
...
mechanical advantage
...
First class lever
...
22 terms
Physical Science and Simple Machines
force
friction
bouyancy
forces
A push or pull or turn on an object.
Force created when two objects rub against each other.
The ability or tendency to float in water or air or some othe…
Forces for air flight
force
A push or pull or turn on an object.
friction
Force created when two objects rub against each other.
18 terms
SCIENCE SIMPLE MACHINES AND MACHINES
machine
a machine can make work easier in what…
Input and Output forces
Formula for finding energy
any device that makes doing work easier
1. increasing force... 2. decreasing force... 3. changing direction
two forces involved when a machine does work
FI(DI)+FO(DO)
machine
any device that makes doing work easier
a machine can make work easier in what…
1. increasing force... 2. decreasing force... 3. changing direction
20 terms
6th Science Simple Machines
What is an inclined plane?
How does an inclined plane make it eas…
How can an inclined plane be used in a…
What is a pulley?
An inclined plane is a slanted surface with one raised end, a…
An inclined plane allows you to use less force to raise an ob…
An escalator is an example of a system that uses an inclined…
1) a simple machine that consists of a wheel with a groove in…
What is an inclined plane?
An inclined plane is a slanted surface with one raised end, a…
How does an inclined plane make it eas…
An inclined plane allows you to use less force to raise an ob…
8 terms
science - simple machines
simple machine
lever
pulley
inclined plane
makes work easier to do
a bar that tilts an object called a pivot or fulcrum
a wheel with a groove in its rim in which a rope is placed
a sloped, flat surface
simple machine
makes work easier to do
lever
a bar that tilts an object called a pivot or fulcrum
22 terms
Physical Science Simple Machines
force
friction
bouyancy
forces
A push or pull or turn on an object.
Force created when two objects rub against each other.
Forces for air flight
force
A push or pull or turn on an object.
friction
Force created when two objects rub against each other.
22 terms
Physical Science Simple Machines
force
friction
bouyancy
forces
A push or pull or turn on an object.
Force created when two objects rub against each other.
Forces for air flight
force
A push or pull or turn on an object.
friction
Force created when two objects rub against each other.
18 terms
simple machines yr 7
simple machine
wedge
screw
wheel and axle
a basic device that can change the amount or the direction of…
2 inclined planes placed back to back
a series of inclined planes wrapped around a pole
a large wheel attached to a smaller wheel
simple machine
a basic device that can change the amount or the direction of…
wedge
2 inclined planes placed back to back
14 terms
7 Simple Machines Vocabulary
Machine
Wheel and axle
Effort force
Resistance force
A device that makes work easier.
Two different-sized wheels that turn together around the same…
The force applied to a machine.
The force that opposes the effort force.
Machine
A device that makes work easier.
Wheel and axle
Two different-sized wheels that turn together around the same…
17 terms
science simple machines
work
joule
power
machine
Force x Distance
SI unit of energy/... Unit of work
Rate at which work is done
a device that helps do work by either overcoming a force or c…
work
Force x Distance
joule
SI unit of energy/... Unit of work
13 terms
8th Science --- Simple Machines
Simple Machine
What are the 6 Simple Machines?
friction
force
Tools that make work easier.
lever, pulley, screw, wheel and axle, inclined plane, wedge
Force created when two objects rub against each other.
A push or pull on an object.
Simple Machine
Tools that make work easier.
What are the 6 Simple Machines?
lever, pulley, screw, wheel and axle, inclined plane, wedge
Work and Simple Machines Physical Science chap. 7
mechanical work (W)
power (P)
watt (W)
simple machine
the equivalent of the amount of energy transferred to an obje…
the rate of doing work measured in watts in the metric system
the metric unit of power (1 ____ = 1 joule/second)
a basic mechanical device that either reduces effort or incre…
mechanical work (W)
the equivalent of the amount of energy transferred to an obje…
power (P)
the rate of doing work measured in watts in the metric system
30 terms
Physical Science Chapter 7- Simple Machines
Work
Power
Mechanical Advantage
Ideal mechanical advantage
Exchange of energy for some change in a physical system or a…
Rate of doing work or amount of work done in a period of time…
The number of times a machine multiplies the force applied to…
The number of times a machine would multiply the force applie…
Work
Exchange of energy for some change in a physical system or a…
Power
Rate of doing work or amount of work done in a period of time…
9 terms
Science - Simple Machines
Work
Simple Machine
Lever
Wheel-and-axle
Work is the use of force to move an object from one place to…
A simple machine has few or no moving parts. This wheelbarrow…
A LEVER is a BAR that pivot or turns, on a fixed support call…
A WHEEL-AND-AXLE is a simple machine that has a WHEEL and an…
Work
Work is the use of force to move an object from one place to…
Simple Machine
A simple machine has few or no moving parts. This wheelbarrow…
30 terms
Physical Science Chapter 7- Simple Machines
Work
SI unit for work
Power
SI unit for power
Exchange of energy for some change in physical
joules
rate of doing work
watts
Work
Exchange of energy for some change in physical
SI unit for work
joules
11 terms
Science Simple Machines
effort force
wedge
simple machine
work
force you put into a simple machine
two inclined planes placed back to back
basic machines that make up other machines
result of a force moving an object through a distance
effort force
force you put into a simple machine
wedge
two inclined planes placed back to back
7 terms
Science: Simple Machines
Wedge
Wheel and Axel
Screw
Lever
A machine that cuts through something
A machine that reduces force and goes on the bottom of a car
A machine that spins onto something to secure it
A bar that pivots with a load and effort on either end
Wedge
A machine that cuts through something
Wheel and Axel
A machine that reduces force and goes on the bottom of a car
96 terms
physical science// chapter 7// work & simple machines
some of out best machines are ___ of G…
__ envolves the exchange of energy for…
Work evolves the exchange of __ for so…
Work evolves the exchange of energy fo…
Imitations
Work
Energy
Physical system
some of out best machines are ___ of G…
Imitations
__ envolves the exchange of energy for…
Work
9 terms
Science Simple Machines
wedge
screw
wheel-and-axle
simple machine
A simple machine made of two inclined planes back to back
A simple machine made of a post with an inclined plane wrappe…
A simple machine made of a wheel and an axle that turn together
a machine with few or no moving parts that you apply just one…
wedge
A simple machine made of two inclined planes back to back
screw
A simple machine made of a post with an inclined plane wrappe…
24 terms
Science 6th - Simple Machines
pulley
moveable pulley
fixed pulley
pulley system
a grooved wheel with a rope around it
attached to the object being lifted and it decreases the amou…
a pulley attached to a FIXED POINT changing the direction of…
can change the direction of a force and multiply the force
pulley
a grooved wheel with a rope around it
moveable pulley
attached to the object being lifted and it decreases the amou…
21 terms
Physical Science Ch. 7 (work and simple machines)
Some of our best machines are imitatio…
Example of natural (God's creation) ma…
What occurs when a force acts on an ob…
Formula for Work?
God's creation
A duck's webbed feet and a canoe paddle
Mechanical work (W)
Work = Force x distance
Some of our best machines are imitatio…
God's creation
Example of natural (God's creation) ma…
A duck's webbed feet and a canoe paddle
8 terms
Carolyn Science- Simple Machines
Whats the work formula?
Pully
Wedge
Screw
Work= Distance x force
a kind of wheel with a grove
A type of inclined plane
an inclined plane raped around a rod
Whats the work formula?
Work= Distance x force
Pully
a kind of wheel with a grove
LLHS Science Ch. 7 - Simple Machines
IMA
RMA
joule
power
Ideal Mechanical Advantage
Real Mechanical Advantage
SI unit of energy =1 Newton Meter
(physics) the rate of doing work
IMA
Ideal Mechanical Advantage
RMA
Real Mechanical Advantage
10 terms
3rd Grade Science - Simple Machines
simple machine
lever
fulcrum
inclined plane
Kinds of tools with few or no moving parts that make work eas…
a simple machine made of a bar that is supported underneath a…
the point on which a lever is supported and turns
a simple machine that is a flat surface that can be sloped or…
simple machine
Kinds of tools with few or no moving parts that make work eas…
lever
a simple machine made of a bar that is supported underneath a…
21 terms
Science Vocab Simple Machines
Independent Variable
Dependent Variable
Controlled Variables or Constants
Lever
The variable that is changed during the experiments. There is…
The factor that is being measured in an experiment. There is…
Variable that stays the same during the experiment. There are…
A long rigid bar that rests on and pivots around a support ca…
Independent Variable
The variable that is changed during the experiments. There is…
Dependent Variable
The factor that is being measured in an experiment. There is…
20 terms
Deonta simple machines science
dependent
energy
independent
fixed
variable you measure
property than enables something to work
variable you change
type of pulley attached to a structure
dependent
variable you measure
energy
property than enables something to work
12 terms
7th grade science simple machines
lever (definition)
inclined plane (definition)
wedge (definition)
screw (definition)
bar that moves on a fulcrum
a sloped surface
two sloped sides positioned back to back
inclined plane that is wrapped around a center rod
lever (definition)
bar that moves on a fulcrum
inclined plane (definition)
a sloped surface
14 terms
Science Simple Machines Vocabulary
Machines
Wedge
Inclined Plane
Screw
Machines make it easier for us to do work. There are three ba…
The two sides of the wedge push the downward force of the ham…
Pushing a load up a gentle slope is easier than lifting the l…
Turning a screw into an object is easier than pushing it in d…
Machines
Machines make it easier for us to do work. There are three ba…
Wedge
The two sides of the wedge push the downward force of the ham…
19 terms
Science Simple Machines
Joule
Newton
First Class Lever
Second Class Lever
Measurement of work.
Measurement of force.
Joule
Measurement of work.
Newton
Measurement of force.
13 terms
8th Science --- Simple Machines
Simple Machine
What are the 6 Simple Machines?
friction
force
Tools that make work easier.
lever, pulley, screw, wheel and axle, inclined plane, wedge
Force created when two objects rub against each other.
A push or pull on an object.
Simple Machine
Tools that make work easier.
What are the 6 Simple Machines?
lever, pulley, screw, wheel and axle, inclined plane, wedge
10 terms
Simple Machines (Science 7th)
efficiency
pulley
fulcrum
lever
Efficiency = (useful work or power output) / (total work or p…
(Simple Machine) A grooved wheel with a rope, chain, or cable…
The fixed point around which a lever pivots
A bar that is free to pivot or turn around a fixed point
efficiency
Efficiency = (useful work or power output) / (total work or p…
pulley
(Simple Machine) A grooved wheel with a rope, chain, or cable…
Science Simple Machines Review
What type of simple machine does a doo…
What types of simple machines does a w…
What type of simple machine does a tru…
What type of simple machine does an ax…
wheel and axle
wheel and axle and lever
inclined plane
wedge
What type of simple machine does a doo…
wheel and axle
What types of simple machines does a w…
wheel and axle and lever
46 terms
Science simple machines test
Wheels, Inclined planes, Screws, Pulle…
Simple machines change the ________ an…
What is a catapult also known as?
A forearm is a _________
Simple machines
Size and direction
Lever
Lever
Wheels, Inclined planes, Screws, Pulle…
Simple machines
Simple machines change the ________ an…
Size and direction
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