Wednesday, 13 February 2013

Crabs and Cars Answers

 Hi all,

Here are the answers to the vocabulary and questions in the Crabs and Cars post. I hope you enjoyed the topic - I thought it was fun and thanks to Science Daily for putting up such fantastic little video clips for us to share.


Nimbly – quick, light and agile in movement or action1

Tricky – involving snags or difficulties ; requiring caution or skill2

Strain – to stretch or force3

Guages – scales of measurement4

Wiggling – to move back and forth with irregular movements5

To set the stage – to make ready for further developments

Common – ordinary6

1,2,3,4,5,6are from The Free Dictionary.com


What is the main theme of this video clip ?

The study of animal movement witha view to applying it to engineering projects.

Why do the scientists want to study animals in particular ?

They are spectacular performers.

What sort of surfaces can the animals move through ?

All kinds of terrain – sand, rocks

In what two ways are their movements measured ?

- Ghost Crab – a backpack with strain guages
- Lizard – high speed camera

What is the other thing that the physicists are measuring ?

They are measuring how other different forces impact unstable materials.

Why are they doing this ?

To make devices that can better move through the different types of terrain.

On what sort of creature is the robot designed by engineers at Pennsylvania University
based?

The common cockroach

Do they know how to design a car based on this technology yet ?

No (not at the time the video clip was made).

In what way is motion said to be changing ?

One step at a time !

Keep checking back for more posts!







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