Drink with Straws
Fri, May 17, 2013Put two straws in a cup of water. Drink through them. Put one of the straws outside the cup. Can you still drink? more...
Put two straws in a cup of water. Drink through them. Put one of the straws outside the cup. Can you still drink? more...
Line a plastic jar with a plastic bag and seal it with a rubberband. Can you pull the bag out of the jar? more...
Fill plastic tubing with water. Secure syringes on each end. Use this hydraulic system to move an object. more...
Heat air inside a 2L bottle and watch balloon expand. Cool the air inside the bottle. Will it contract? more...
Use vacuum to blow air through a funnel, from a 2L bottle. Place ball in the funnel. Does ball fly away? more...
Fill a cup with water. Cover with an index card. Flip cup over. Does water spill out? more...
Stuff paper in a cup. Turn the cup upside down. Submerge it. Does the paper get wet? more...
Inflate a balloon. Tape it to a straw & thread it on an anchored string. Release balloon. Where does it fly? more...
Pressurize a 2L bottle. Pop the cork. What happens to the 2L bottle? more...