One of the two long, thin feelers on the head of many insects and some animals such as lobsters.

• balance

• boulder

• antenna

• slope

The beetle moved one _________ to the left when Sam touched it.

• machine

• motor

• joint

• antenna

A metal rod or wire used to send and receive radio and television messages.

• boulder

• antenna

• muscle

• planet

Let's pull out the ________ on the radio to hear the station more clearly.

• antenna

• slope

• machine

• joint

The state of being firm and steady.

• boulder

• motor

• slope

• balance

Tanya lost her __________ on the diving board and fell into the pool.

• balance

• motor

• joint

• boulder

To stay in a steady position without falling.

• muscle

• planet

• joint

• balance

The acrobat ________ carefully on her partner's shoulders.

• sloped

• machined

• balanced

• motored

To hold something in a steady position without letting it fall.

• cliff

• joint

• balance

• muscle

The seal _________ a large ball on its nose.

• balanced

• sloped

• machined

• muscled