What happens to something airtight when the air around it changes? Find out by making a pressure bottle and squishing some foamy materials. Download the Squish Bottle PDF (375 Kb). Adobe Acrobat ...
It's classic science that's fun to do as a family or a team. Practise and challenge your friends! Download the Water bottle Rockets PDF(378 Kb). Adobe Acrobat is required. SAFETY: This rocket uses ...
A few bottles were found to have thousands of particles ... which yield a reliably safe product". It described the science of microplastics as "an emerging field, in its infancy, which requires ...