Page 271 - DK Children's Encyclopedia

Volume SEE ALSO

▸ ▸ Ancient Greece
p.18

In math, volume is the amount of space inside ▸ ▸ Human body
a shape. The volume of a shape is measured in p.130
”cubed” units, such as cubic inches (in ) or cubic ▸ ▸ Measuring p.159
3
centimeters (cm ). ▸ ▸ Numbers p.185
3
▸ ▸ Science p.217
▸ ▸ Shapes p.222
Cone
Cones have a circular
3-D shapes base and a curved
Three-dimensional (3-D) side that ends Cylinder
in a point.
shapes have length, width, A cylinder has
and height. While 2-D shapes circular ends
and a long
such as squares are flat, 3-D middle section.
shapes have volume.

Cuboid
These shapes have
six flat, rectangular
sides of any size.

Sphere
A sphere is shaped
like a ball. If you
cut it in half, the
sliced face would
Finding volume be circular. Cube
The volume of any 50 50 Cubes have six
equal-sized,
object can be found 45 45 square sides.
by putting it in water.
The volume of the 40 40
water is measured 35 } 35
first. The object is Eureka!
added, then the water 30 The amount 30 An ancient Greek
is measured again. 25 the water 25 mathematician called
level changes Archimedes realized
20 is the volume 20 that the amount of
of the object. water he pushed out
Carefully measure 15 15 when he got in the bath
the volume of the was the same volume as
water. Then add 10 10 his body. He shouted
your object. "Eureka!," which means
5 5 "I have found it!"
Archimedes in the bath

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