Science Practice Quiz 220

Q1.What is the definition of 'air in motion'?

A. Breeze B. Wind C. Storm D. Current

Q2.What is the process by which water continually changes its form and circulates between oceans, atmosphere, and land known as?

A. Hydrological flow B. Water cycle C. Oceanic circulation D. Atmospheric convection

Q3.What is the primary characteristic of water found in ocean bodies and seas?

A. It is always fresh. B. It is highly acidic. C. It is salty or saline. D. It is primarily used for irrigation.

Q4.Which dissolved salt constitutes most of the salinity in ocean water, according to the provided text?

A. Potassium chloride B. Magnesium sulfate C. Calcium carbonate D. Sodium chloride

Q5.What is a terrarium defined as in the provided glossary?

A. A natural habitat for large animals. B. An artificial enclosure for keeping small house plants. C. A device for measuring atmospheric pressure. D. A system for purifying water.

Q6.What causes the evaporation of water into vapour, leading to the formation of clouds in the water cycle?

A. The moon's gravitational pull B. The sun's heat C. Wind currents D. Earth's magnetic field

Q7.To what is our Earth compared in the context of water continuity?

A. A vast ocean B. A giant sponge C. A terrarium D. A closed ecosystem

Q8.What is the average salinity of the oceans?

A. 35 grams per litre B. 35 parts per hundred C. 35 parts per thousand D. 340 grams per litre

Q9.Why can swimmers float easily in the Dead Sea?

A. Due to its low temperature B. Because of the increased salt content making it dense C. Due to strong underwater currents D. Because of its shallow depth

Q10.What defines an ocean wave?

A. A continuous flow of water in one direction. B. The alternating rise and fall of water on the ocean surface. C. A sudden displacement of water due to an earthquake. D. The movement of water caused by the moon's gravitational pull.

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Science Practice Quiz 220