What will happen if you put a piece of styrofoam in water? Will it sink or float?
It will float!
What will happen if you put a metal nail in a water?
It will sink!
Why is the olive oil on the top?
Because olive oil is less dense than the other types of liquids
What will happen if the density of object is greater than the density of water?
The object will sink!
How we can find the mass of an object?
Use a BALANCE.
How do we calculate the volume of an object with the shape of a cube?
MEASURE the side using ruler, then multiply it 3 times.
How we can find the volume of a rock?
Use a measuring cylinder.
The mass of an object is 45 gram, and the volume is 15 cm3. What is the density of an object
3 gr/cm3
Which has the greater density, the apple or the fork?
The fork.
Which has the lesser density, the bottle or the scissors?
The bottle.
Which ball has the greater mass?
Neither. They are both the same!
Will an apple sink or float?
It will float because it contains a lot of air.
