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WorksheetsUnit 13: Inventions
Total questions: 10
Worksheet time: 2mins
a handle you can use it to pull or push a machine work
screw
lever
light bulb
hammer
the glass part of an electric light that gives light
doorknob
lever
light bulb
wheel and axle
a path that you use instead of steps to go up or down
wedge
ramp
stairs
screw
a piece of wood or other material, with one thick and one thin pointed end
wedge
wheel and axle
stairs
screw
a type of machine that is made of a rope or chain that is wrapped around a bar that is attached to a wheel
ramp
wheel and axle
hammer
axe
a tool with a handle and a heavy metal part, which you use for hitting nails into things
light bulb
screw
hammer
axe
You walk on them to go up or down.
lever
axe
wheel and axle
stairs
You use it to cut down trees or chop wood.
lever
axe
hammer
wedge
a small metal thing with a sharp end, which you use for joining things together. You push it into something by turning it with a special tool.
screw
wheel and axle
hammer
wedge
You use it to open or close the door.
screw
axe
hammer
doorknob
