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Beakman's World: Centripetal Force
Beakman attaches a small weight to the end of a string and puts it in a tube with a barbell attached to the other end of the string. While spinning the top weight in a circle, he creates a pull in the middle and it pulls up on the barbell. -
Bill Nye, the Science Guy: Granny Tug of War
Hazel Fanny the Science Granny demonstrates balanced and unbalanced forces using a game of tug of war. When forces are in balance, they are equal, and no movement occurs. When forces are unbalanced, they are unequal, and movement occurs. -
Beakman's World: Inertia Keeps us Grounded
Through a cartoon movie, Beakman explains why your stomach feels weird on a roller coaster and why the biggest hill is the first one. He hangs a bowling ball from the ceiling with a cable and then swings the ball to squish a watermelon (energy in and energy out). He then puts himself where the watermelon was and shows that the ball can't swing any farther than the point at which he lets go. Beakman goes on to explain that centripetal force prevents us from falling out of the roller coaster and demonstrates it. He uses a tray containing a glass of milk and a cupcake and quickly spins it around to show that nothing falls off. He then explains why inertia keeps us from falling to the ground and brings all of the concepts together. -
Beakman's World: Ping Pong Ball Challenge
Beakman challenges Lester to put the ping pong ball into the mason jar without touching the ball. They do it by putting the ball on the table and placing the jar over it. Then swirling the jar to cause centripital force to bring the ball up and into the jar. -
Sign in or create an account to view this clipBeakman's World: Nail Pressure
07:11
Beakman demonstrates force and pressure with a balloon sitting on one nail with a brick on it (it pops) and then how it doesn't pop if you have more nails to distribute the pressure of the force. He shows how this also applies to cutting a tomato. Then Beakman lays on a bed of nails to prove it. -
Sign in or create an account to view this clipFinding Nemo: Swim Down
03:00
Dory, Marlin, and Nemo are on their way back to their home when fisherman in the area scoop up many fish, including Dory. The boat starts to hoist the net and the fish out of the water. Nemo tells his father, Marlin, that the only way to save Dory is for all of the fish in the net to swim down. After all of the fish swim down together, they break the net and free themselves and Dory. -
Sign in or create an account to view this clipScience Max: Tides and Gravity
02:16
Buster Beaker explains how high and low tides are affected by the gravity of the moon and the sun. He illustrates the phenomenon using a cookie, a mushroom, and a lemon. -
Sign in or create an account to view this clipNBC News Learn: WWII: Spitfire
05:46
The Allied Forces use a new invention, radar to know where and when to intercept German planes. Ken Wilkinson, an officer of the UK's Royal Air Force utilized this technology when he flew the Supermarine Spitfire. -
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