Dragons Den,

Watch video at this LINK as a class

1. Name 2 other inventions that have a 'dark side' and explain why you made each of your choices.

Please read the following LINK for the next question.

2. Since certain waste can be dangerous for thousands or millions of years, how are they proposing to warn future generations of the dangers? Is this a good idea?

3. Can you think of an invention that has changed the world for the better without having any (or very few) negative impacts.