Page 38 - NUMINO Challenge_M1
P. 38
CMYK
If helium, which is a gas lighter than air, is filled in a balloon, the
balloon will float. The following shows a scale with a helium
balloon attached to one side.
The scales below can be used to compare the weight of each
marble using helium balloons and scales. Answer the following
questions.
13
24 1
Which marble weighs the same as marble 1?
Which marble is the heaviest?
Key Point
Placing a helium
balloon on one side
makes that side rise
up, which is similar to
placing a weight on
the other side.
35Measurement
If helium, which is a gas lighter than air, is filled in a balloon, the
balloon will float. The following shows a scale with a helium
balloon attached to one side.
The scales below can be used to compare the weight of each
marble using helium balloons and scales. Answer the following
questions.
13
24 1
Which marble weighs the same as marble 1?
Which marble is the heaviest?
Key Point
Placing a helium
balloon on one side
makes that side rise
up, which is similar to
placing a weight on
the other side.
35Measurement
