For each situation, identify when sound would travel faster and why.
a. Outside on a winter day or outside on a summer day?
b. Through water or air?
c. When air pressure is high or low?
d. Through a piece of wood that floats in water or through a piece of
steel that sinks in water?
e. Through a gas that is 90% nitrogen (N2) and 10% helium (He) or
through a gas that is 90% helium (He) and 10% nitrogen (N2)?

Question

For each situation, identify when sound would travel faster and why.
a. Outside on a winter day or outside on a summer day?
b. Through water or air?
c. When air pressure is high or low?
d. Through a piece of wood that floats in water or through a piece of
steel that sinks in water?
e. Through a gas that is 90% nitrogen (N2) and 10% helium (He) or
through a gas that is 90% helium (He) and 10% nitrogen (N2)?