Imprimer Froggy Jumps: DENSITY AND BUOYANCY (biology - 5º primaria - density

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