Labs
Problem Solving
Theoretical
100

Does diet soda float? Is there a difference with regular soda?

Diet soda floats, regular soda sinks.

100

What is the density of a 20 gram object that takes up 10 cm^3 of space?

2 g/cm^3

100

Nitrous oxide (laughing gas) has a density of 1.22g/cm^3. Does this float in air (which has a density of 0.001225 g/cm^3)?

No

200

Why do helium balloons (but not air) float?

Helium is less dense than air.

200

What is the mass of a 10 cm^3 object with a density of 10 g/cm^3?

100 grams

200

Are you denser on Saturn than on Earth? Do you weigh more on Earth? 

False, then true.

300

How does cold water move in hot water?

Hot water rises so cold water sinks.

300

What is the volume of a 10g object with a density of 15 g/cm^3?

0.67 or 2/3 cm^3

300

Do you float better in denser solutions?

True