structures
what is puente in english?
bridge
why do we have simple machines?
they help us perform tasks, or reduce the force needed to perform those tasks
what is a complex machine?
it is made up of different simnple machines called mechanical components
How are you today? why?
I´m ........ because.....
what is a girder? give an example
a beam for horizontal support
a swing
name the 3 parts of a lever
force, load, fulcrum
name 3 complex machines
crank, cogs, rack and pinion, cogs and chains
How old are you?
I´m ...... years old
what is a structure?
a group of elements that can support weight and which protect the objects or machines it is made for
name 3 simple machines
inclined plane, wheel, wedge, lever, screw, pulley
give an example of a crank and a cog
well, fishing rod,
watch, clock
do you have any brother or sisters? older or younger?
I have and older sister
i have a younger brother
name a natural structure
a skeleton
name 3 objects that we use that are simple machines
door, see-saw, wheel, clothes pin, nut cracker, nail clipper
give an example of a cog and chain
bicycle, moto bike
How was your weekend?
It was good...
I ate...
I went....
name 3 artificial structures
a shelf, a swing, a bridge
what is the fulcrum?
the supporting point where a lever is balanced
name the 3 complex machines that a bicycle uses
lever, wheel, cogs and chain
How often do you study English?
I study English..... times a week