Great Bungee Challenge- Length

The Great Bungee Rubber Band Challenge.

Sticky tape a rubber band to a marble. You need to stretch your rubber band and see if you can get it so that it is exactly 2cm off the ground?

What is the distance of your bungee?

If kids finish- Get a piece of wool, cut the wool where you think 30cm would be?

How about 50cm?

Extension: What is half way of your bungee band, ¼, ⅛

Enabling- Measure using informal units

Work with a partner.