Question

ocean water
instruction active
identifying facts about salt water
which statements about salt water are true? check all that apply.
salt water contains minerals other than salt.
fresh water is heavier than salt water.
objects float more easily in oceans than in lakes or rivers.
the temperature of ocean water is affected by the depth of the water.
the temperature of ocean water is affected by the ocean’s location.

Explanation:

• Salt water contains various minerals like magnesium, calcium, etc., not just salt.
• Salt water is denser (heavier) than fresh water.
• Due to higher density of ocean (salt) water, objects float more easily.
• Ocean water temperature varies with depth (deeper water is colder in general).
• Ocean water temperature also depends on location (e.g., tropical oceans are warmer than polar ones).

Answer:

Salt water contains minerals other than salt.
Objects float more easily in oceans than in lakes or rivers.
The temperature of ocean water is affected by the depth of the water.
The temperature of ocean water is affected by the ocean’s location.