To sign the word “experiment,” form the letter “E” with your dominant hand and make a circular motion in front of your body.

Operated can be signed by using the “O” handshape, making a circular motion with the hand and fingers, as if turning a knob or operating a machine.

To sign the word “ra” in American Sign Language, use your dominant hand to make a fist with your thumb resting on top of your index finger, and then move your hand diagonally upward and outward from your body.

To sign the word “beast,” make the letter B with your dominant hand and then swipe it down and outwards in a curved motion.

To sign the word kiss, pucker your lips and lightly touch them to your fingertips or the back of your hand.

Sign the word “suggests” by using the American Sign Language (ASL) sign for “suggest,” which is made by placing the index finger of one hand on the chin and then moving it forward in a slight circular motion.

To sign “atmosphere,” use both hands to make flat circles in front of your body, starting at chest level and moving outward. This represents the air surrounding the earth.

To sign the word “demonstrate,” use your dominant hand to make a fist and then extend your index finger while moving it in a circular motion in front of your body.

To sign the word “walker,” place your dominant hand in a fist with your thumb extended upward and your index finger pointing out. Then, move your hand in a small circular motion in front of your stomach.

To sign the word “roof,” place your non-dominant hand flat, palm facing up, and use your dominant hand to mimic the angle of a roof by moving your fingers upward in a diagonal motion.