Pumping Straw - a centrifugal pump (w/ video) -- "...When you spin the straw it forces the water inside to spin. If an object is spinning anything on that object appears to feel a force pushing it outward. This pseudo-force is called centrifugal force."

Pumping Straw - a centrifugal pump (w/ video) -- "...When you spin the straw it forces the water inside to spin. If an object is spinning anything on that object appears to feel a force pushing it outward. This pseudo-force is called centrifugal force."

Pinterest pic - My review. "Worth doing for kids. They loved the sound of a hex-nut better". Spin a quarter in a balloon.....demonstrate centrifugal force. Spin a hex-nut in the ballon and it sounds like a bumble bee. Spin several nuts and it sounds like a swarm.

Pinterest pic - My review. "Worth doing for kids. They loved the sound of a hex-nut better". Spin a quarter in a balloon.....demonstrate centrifugal force. Spin a hex-nut in the ballon and it sounds like a bumble bee. Spin several nuts and it sounds like a swarm.

Fun with Forces - hmmm...maybe challenge the kids by giving supplies and problem - how can I make the penny stay in the cup upside down...supplies as listed: cup, string, penny

Fun with Forces - hmmm...maybe challenge the kids by giving supplies and problem - how can I make the penny stay in the cup upside down...supplies as listed: cup, string, penny

Centrifugal sprinkler ➪ Hands-on experiment for school (physics, mechanics, inertia, centrifugal force, pump -> A straw and a toothpick can turn into a pump with a twist of your fingers! Once you have secured anything you want to stay dry, this fun experiment is a good way to introduce centrifugal forces and the principle behind many pumps.

Centrifugal sprinkler ➪ Hands-on experiment for school (physics, mechanics, inertia, centrifugal force, pump -> A straw and a toothpick can turn into a pump with a twist of your fingers! Once you have secured anything you want to stay dry, this fun experiment is a good way to introduce centrifugal forces and the principle behind many pumps.

Google Image Result for http://static.ddmcdn.com/gif/roller-coaster-force.gif

How Roller Coasters Work

Google Image Result for http://static.ddmcdn.com/gif/roller-coaster-force.gif

Diagram looking down on the North Pole of Earth, with the Moon in orbit. Ocean bulges with high tide on the side near the Moon and the oppos...

Diagram looking down on the North Pole of Earth, with the Moon in orbit. Ocean bulges with high tide on the side near the Moon and the oppos...

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