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1. What is the formula for density?
A
Mass / Volume
B
Mass x Volume
C
Volume / Mass
2. Which of the following has the highest density?
A
Gold
B
Plastic
C
Wood
3. What unit is commonly used to measure density?
A
kg/m3
B
lbs/in3
C
g/cm3
4. Every pure substance always has the same density.
A
I DON'T KNOW
B
FALSE
C
TRUE
5. What is the relationship between density and buoyancy?
A
Less dense objects float on more dense fluids
B
More dense objects float on less dense fluids
C
Density has no effect on buoyancy
6. Water has a density of
A
1 g/cm3
B
1000 g/cm3
C
3 g/cm3
7. The buoyancy of an object depends on its
A
DENSITY
B
COLOUR
C
MASS
8. An object floats when the density of the object is _____ than the density of water
A
LOWER
B
HIGHER
C
EQUAL
9. the density of cork is 0.25 g/cm3 so...
A
FLOATS IN WATER
B
DOESN'T FLOAT IN WATER
C
SINKS IN WATER
10. An object sinks when the density of the object is ____ than the density of water
A
HIGHER
B
LOWER
C
EQUAL
11. the density of steel is 8 g/cm3 so ...
A
SINKS IN WATER
B
FLOATS IN WATER
C
SWIM IN WATER