1. And Weighing
Balancing

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

3. Why is this beam balanced?

4. 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.

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

6. 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.

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

8. 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.

9. Is this
scale
balanced?
How can
you tell?

10. Which
side of this
scale is
lighter?

11. How much
do the three
markers
weigh?
____ cubes

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

13. 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.

14. 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.

15. The End