The Inventor's Secret Vocab

engines that make a train move forward

• cylinder

• locomotive

• gadget

• flop

small, specialized machines

• locomotive

• gadget

• flop

• incandescent

to move slowly and noisily

• chugged

• gadget

• hop

• skip

to work in a rough, uneven way

• incandescent

• flop

• chugged

• sputtered

a complete failure

• phonograph

• locomotive

• flop

• sputtered

a machine that plays recorded music or sound

• incandescent

• gadget

• phonograph

• locomotive

legal document that says no one can make or sell your invention

• gadget

• patent

• law

• rule

gives off a lot of light

• phonograph

• cylinder

• incandescent

• patent

takes in gas to make other parts move

• phonograph

• patent

• gadget

• cylinder