Activities the Students Book Pag. 42

Materials.
-Wheel: nylon/steel/rubber/air/bronze/plastic.
-Mobile: gold/silver/plastic/copper/glass/carbon/ruber.

2.-Listen ans answer the questions.
a)What material is the rope made of?
-Tensile strenght.
b)What is the lecturer doing?
-Pull in the rope.
c)Is the rope breaking?
-No.

3.-Listen again and complete the dialogue.
I'm pulling the rope. I'm stretching it. Is it breaking?
No, it isn't.
That's right. It isn't breaking.

4.-Match the actions with the verbs in the box.
-Bend=> doblar.
-Compress=> presionar.
-Cut=> cortar.
-Drop=> dejar caer
-Heat=> calentar.
-Scratch=> arañar.
-Stretch=> elongar.
-Strike=> golpear.