And Weighing Balancing

Balancing and Weighing Vocabulary Explain and/or describe the following words: balance weigh beam fulcrum weights equal-arm balance

Why is this beam balanced?

Fulcrum Balance Explain where the fulcrum should be placed for the beam to balance. Fulcrum Balance Explain where the fulcrum should be placed for the beam to balance.

Predicting the Weights of Two Different Objects Which object do you think weighs the most when it is placed in the equal-arm balance?

Where is the apple? Complete this sentence. The pail on the right is ______ than the pail on the left, because there is more ______ in that pail.

Comparing two different balances. beam Beam balance fulcrum Equal-arm balance

Beam Balance/Equal-Arm Balance Both Has a beam The fulcrum moves. Fulcrum doesn’t move Has a fulcrum It balances. You can put more stuff in the pails. Fulcrum is under the beam. Shows heavy objects. Sometimes it doesn’t balance. Take objects out to make pails go up. You can weigh Heavy and light.

Is this scale balanced? How can you tell?

Which side of this scale is lighter?

How much do the three markers weigh? ____ cubes

How much does one cup of split peas weigh? ____ cubes

Ways We Balance and Weigh I balance while riding my bike. A waitress balances food on a tray. My mom weighs bananas in a scale. The nurse weighs us in her office. A clown balances on stilts. A ballerina can balance on one foot. They balance dinosaur bones in a museum. Large trucks stop at a weigh station.

The Acrobat By Shel Silverstein I’ll swing By my ankles She’ll cling To your knees As you hang By your nose From a high-up Trapeze. But just one thing, please, As we float through the breeze--- Don’t sneeze.

The End