Levers, Gears and Pulleys

What are levers?

• A part of a machine that moves right and left.

• A part that is on the outside of the machine.

• A part of a machine that moves up and down

Tags

NGSS.MS-PS2-2

Are gears outside or inside that machine?

• Outside

• Inside

How much pulleys can be in the machine at the same time?

• 5

• 9

• 1

• can be any number

Are pulleys and levers alike?

• Yes

• No

What objects have pulleys?

• Truck

• Crane

• Cars

Which type of gears are very common?

• Wheel gears

• Round gears

• Tunnel gears

PBL: What type of material did we use the most？

• Cardboard

• Glue

• Tape

• Paper

PBL:How much pulleys did we use?

• 1

• 2

• 0

• 4

Which of the 3 things are the most important ?

• Levers

• Gears

• Pulleys

• All of it is important

• All of it is not important

What are pulleys?

• A part of a machine that moves up and down.

• Same as levers

• A part of a machine that moves right and left.