lighter
A heavier pendulum will swing longer due to its greater inertia.
Heavier objects have more gravitational pull on them
No lighter things do not fall faster than heavier things. In a vacuum they will fall at the same speed. Normally the heavier thing will fall down faster because of its weight. Sometimes the lighter thing falls faster depending on the air resistance.
Natural gas is lighter than air and rises.
heavier because they are two different weights
lighter
It depends on what your doing with it. If your towing, heavier. If your on the beach, lighter.
heavier when frozen
You will possibly be burned.
lighter
Helium is lighter than air
It is lighter
no it just releases gas
heavier by almost 1 amu
lighter
Darker or heavier depending on meaning of lighter