Christmas engineering

Santa's take off is what kind of simple machine?

• Wedge

• Inclined plane

• Screw

• Pulley

Which simple machines would work best for Santa to load his sleigh?

• Lever and pulley

• Lever and wedge

• Screw and inclined plane

• Pulley and screw

Santa wants to automate his workshop. Which system could he use as a treadmill to carry the gifts around the shop?

• Rack and pinion

• Pulley and belt

• Screws

• Gear train

What type of movement would the gifts do on the treadmill?

• Rotation

• Translation

• Helical

What type of constraint would a crushed gift suffer?

• Compression

• Bending

• Traction

• Shearing

As the screw gets in the wood, what kind of constraint does it create?

• Compression

• Tension

• Torsion

• Shearing

The table where the gifts are is wobbly. Which simple machine could help stabilize it?

• A screw

• A pulley

• A wedge

• A wheel

Different colors go to a different place! How can you make sure the gifts get to the proper place?

• Sorting

• Distillating

• Filtering

• Sieving

What should we do for the rest of the period?

• Movie!

• Free time!

• A test!

Merry​ ​ (a)   !

• Christmas
• Easter
• Halloween
• Valentine's day