Science 6 Q3 L6 Simple Machines

What is a device that has a fulcrum or a pivot point, the effort end where force is applied, and the resistance end where the load is located?

• Inclined Plane

• Wedge

• Lever

• Screw

What type of lever has the fulcrum between the effort and the load or resistance?

• First Class Lever

• Inclined Plane

• Second Class Lever

• Third Class Lever

What is a flat supporting surface tilted at an angle with one end higher than the other?

• Pulley

• Inclined Plane

• Screw

• Wedge

Which simple machine is a double incline plane that is sharpened to an end?

• Screw

• Wedge

• Pulley

• Wheel and Axle

What is a modified inclined plane used to lift heavy objects or fasten two objects together?

• Pulley

• Screw

• Wheel and Axle

• Wedge

Which type of pulley is generally hung, making the wheel stationary?

• Wheel and Axle

• Block and Tackle

• Movable Pulley

• Fixed Pulley

What assembly is formed by two discs of different size attached together so they can rotate around the same axis?

• Pulley

• Screw

• Wheel and Axle

• Wedge

What simple machine is a ramp?

• Lever

• Inclined Plane

• Wedge

• Pulley

What is a safety measure when handling simple machines to avoid getting hurt?

• Play with sharp simple machines

• Put your feet under and your hands near the fulcrum when playing with levers

• Keep machines in a cabinet or in a safe place away from children

• Hold a tool with sharp edge points facing upward

What should you do before using any simple machine?

• Make sure it is in good condition

• Play with sharp simple machines

• Put your feet under and your hands near the fulcrum when playing with levers

• Keep machines in a cabinet or in a safe place away from children