WorksheetsUNIT 6 NATURAL
Total questions: 30
Worksheet time: 15mins
Energy is everything that produces......
nothing.
change of transform objects.
change but don't transform objects.
Movement.
Which one is a kind of energy??
luminous energy
Electrical energy
Mechanical energy
Chemichal energy
Thermal energy.
The main source of the luminous energy is
the moon
the wind
the lightbulb
the sun
Electrical energy can be stored in
boxes
batteries
in lightbulbs
in the plugs.
The chemical energy can be realised from
fuel
food
batteries
sun
The thermal energy is when the heat is
transferred from one object to anoter
not transferred
is transferred from the fire
the energy stored in matter.
Humans have invented machines to......
waste energy.
do nothing.
help them do task more quickly and efficiently
take advantage of the sun.
All machines use.......
some type of energy
electrical energy
luminous energy
mechanichal energy
Machines give us....
back pain
a thermal advantage
an electrical advantage
a mechanical advantage
Simple machines
have a lot of different moving parts
have a very few moving parts
Select the simple machines
inclined plane
dishwasher
lever
pulley
A lever has
a fixed support point
fulcrum
rigid bar
all of them are right
A roller
This tool is like a long cilinder.
it has a circular part with a long axle going through the middle of it.
Is a machine that uses wheels to lift an object.
A pulley
This tool is like a long cilinder.
it has a circular part with a long axle going through the middle of it.
Is a machine that uses wheels to lift an object.
A wheel
This tool is like a long cilinder.
it has a circular part with a long axle going through the middle of it.
Is a machine that uses wheels to lift an object.
To combine the force of two simple machines ,the movement of the machines needs to be
burnt
linked or trasnmitted
sent
quiet
Some commons forms of transmission are
axles
gears
belts
chains
Many of the machines we use require
heat
wood
electricity
water
Axles connect
two boxes
two wheels
two strings
two ladders
Archimedes used............to build many incredible machines.
physical formulas
fire
batteries
mathematical formulas
It was a type of crane with a hook.
The claw
The archinedes screw
It lifts water from a water source and is used today.
The claw
The archinedes screw
Isaac Newton was a
16th century mathematician
17th century mathematician
18th century mathematician
19th century mathematician
Newton developed a theory to explain
the wind
the force of push
the force of gravity
why the fire burns
Newton invented a type of...............that is still used in astronomy today
computer
cellphone
reflecting telescope
glasses
Invented a practical lightbulb
Edison
Marie Curie
Elon Musk
Da Vinci
Discovered the polonium and radium
Edison
Marie Curie
Elon Musk
Da Vinci
Radium is used in....
the school.
some singer concerts.
cancer treatments.
the kitchen
Edison also invented the first
car
cell-phone
phonograph
glasses
Which one is cooler??
Pokemon
Digimon
