To sign the word satellite, use your dominant hand to make a flat palm facing up, then use your non-dominant hand to make a flat palm facing down and place it on top of the other hand. Move both hands…

To sign the word “scientific,” use the ASL (American Sign Language) fingerspelling technique to spell out the letters S-C-I-E-N-T-I-F-I-C using one hand.

To sign the word “difficult,” use both hands to form the letter D by curling your fingers and placing them together. Then, have your dominant hand swipe downward across your non-dominant hand’s palm twice. This mimics the motion of struggling…

To sign the word “persons,” use the American Sign Language (ASL) sign for “person” and add an “s” by flicking your wrist upward twice.

To sign the word “perhaps,” make a “P” shape with your dominant hand and rotate it slightly while flicking your wrist upward.

To sign the word “ringtones,” use the ASL sign for “ring” and then the sign for “sounds.”

To sign the word “commerce,” make a fist with your dominant hand and draw it across your non-dominant palm in a horizontal motion.

To sign the word “bob,” make a fist with your dominant hand and extend your index finger. Then make a bobbing motion with your hand, moving it up and down. This represents the head movement associated with the name “Bob.”

To sign the word “stone,” use your dominant hand to make a fist with your index finger pointing upward. Then, tap the tip of your index finger on the palm of your non-dominant hand.

To sign the word “historical,” use one hand to make a fist and hold it in front of your chest, then use your other hand to make a “h” shape and trace it along the side of your fist. This…