WorksheetsGrade 8 Technology
Total questions: 15
Worksheet time: 11mins
Name the six basic machines:
Pulley, couch, wedge, wheel and axle, inclined plane, screw
Pulley, lever, wedge, wheel and axle, inclined plane, screw
Pulley, lever, wedge, wheel and axle, inclined plane, hammer
Mug, couch, wedge, wheel and axle, inclined plane, pulley
What type of machine is the following?
Wheel and axle
Inclined plane
Lever
Screw
What type of machine is the following?
Lever
Inclined plane
Screw
Wheel and axle
What type of machine is the following?
Screw
Wedge
Inclined plane
Lever
What is a complex machine?
Complex machines are marshmallows that are formed by the combination of two or more sweet machines.
Complex machines are machines that are formed by the combination of two or more complex machines.
Complex machines are machines that are formed by the combination of two or more simple machines.
Complex machines are machines that are formed by the combination of two or more big machines.
Bicycles with bigger wheels can travel much (a) than a smaller bicycle.
The front wheel of a bicycle is called a_______
Small wheel
Driver wheel
Driven wheel
Free-running wheel
The back wheel of a bicycle is called a_______
Free-running wheel
Driver wheel
Driven wheel
Big wheel
When the teeth of two gears touch so that the gears turn together, you say that the two gears _________.
Touch
Turn
Mesh
Fetch
Any two gears that mesh turn in opposite directions. This is called _________.
Counter rotation
Rotating
Meshing
Counter mesh
For a wheel to turn, it has to turn around something that is at the
center of it = _______
lever
axle
wheel
wedge
A sloping ramp up which heavy loads can be raised by ropes or chains
Lever
Wedge
Inclined plane
Wheel and axle
A rigid bar resting on a pivot, used to move a heavy or firmly fixed load with one end when pressure is applied to the other.
Wedge
Lever
Wheel and axle
Inclined plane
A wheel with a grooved rim around which a cord passes, which acts to change the direction of a force applied to the cord and is used to raise heavy weights.
Lever
Inclined plane
Wedge
Pulley
What combination of basic machines is in a wheelbarrow?
Lever and a pulley
Lever and an inclined plane
Lever, wheel and axle
Wedge and a pulley
