5TH UNIT 5 WEEK 2 SIMPLE MACHINES

What simple machine is used to move a heavy load at one end when pressure is applied to the other side?

• Pulley

• Screw

• Lever

• Wheel

What type of simple machine is a wheel with a groove around which a rope passes?

• Lever

• Wheel

• Screw

• Pulley

What simple machine fastens things when rotated?

• Wheel

• Lever

• Screw

• Pulley

What ancient civilization built the great pyramids as tombs for their kings?

• Greeks

• Romans

• Egyptians

• Mayans

What ancient Egyptian invention could have given the idea for the invention of the wheel?

• Pulley

• Screw

• Lever

• Rollers

What is a machine?

• An invention that makes work more difficult.

• An invention that makes work easier.

• An invention that makes buildings.

What is one of the most useful inventions?

• The car

• The wheel

• The backpack

Select the correct picture for

A special kind of wheel with a grooved rim around which a cord passes.

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Select the correct picture for

A rigid bar resting on a pivot used to move a heavy load.

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Select the correct picture for

A short sharp-pointed metal pin used to join things together by being rotated.

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