Machine

Vocab:

Lever

Wedge

Fulcrum

Index finger

Middle finger

Thumb

Point

Open

Close

Apart

Facts:

• Scissors were most likely invented around 1500 BC ago in ancient Egypt.
• Kitchen scissors are used for snipping herbs, cutting open food packaging and other things.
• There are a whole lot of different types of scissors such as Kitchen scissors, first aid scissors, surgical scissors and a whole lot more.
• Pinking shears are used to cut a zigzag edge in fabric to prevent it from fraying.
• Surgical scissors are usually used for cutting. That includes bandage scissors, dissecting scissors, iris scissors, operating scissors, stitch scissors, tenotomy scissors, Metzenbaum scissors, plastic surgery scissors, and Mayo scissors.
• Mayo scissors are a type of surgical scissor used for cutting of fascia.
• Metzenbaum scissors are designed for cutting delicate tissue and blunt dissection.
• Stitching scissors are used for cutting the stitches out.
• Large scissors are used for cutting tin or metal.
• The earliest known scissors appeared in Mesopotamia 3,000 to 4,000 years ago.