Amazon S3 on MSN

Step-by-Step Guide to Making Mini Pen Rockets

The science pros at The King of Random teach you how to make mini pen rockets step by step. Trump slams ‘stupid and outdated’ ...
KOAA Colorado Springs, CO on MSN

The Climate Classroom: Make your own barometer

Here's how to make your own barometer - a family-friendly experiment to learn about how air pressure changes change the ...