Pressure in liquids

Liquid pressure is because of the forces between the liquid particles and the _________ of the container.

• Volume

• Mass

• Surface

• Density

When divers return to the surface of water quickly, the pressure is ________.

• Increased

• Decreased

• Not changing

The pressure exerted by a liquid

• increases with depth.

• decreases with depth.

• is constant

• first increases and then decreases.

The pressure of the water at the bottom of a pond is ___ at the surface of the pond.

• either lower or higher

• higher than

• same

• lower than

Diagram shows the design of a dam. Why does the thickness of the dam increase with its depth?

• The design of this structure is stronger.

• Water pressure increases with depth.

• The cost of construction is lower.

• Water pressure acts uniformly in all directions.

The figure shows a pond with two fish P and Q.

What is the correct relation of the water pressures on fish P and fish Q?

• Water pressure on fish Q > Water pressure on fish P.

• Water pressure on fish Q < Water pressure on fish P.

• Water pressure on fish Q = Water pressure on fish P.

what is the name of group number 1

• halogens

• noble gases

• alkali

• alkaline earth

What is the name of group number 2?

• transition metals

• halogens

• metaloids

• alkaline earth metals

A row on the Periodic Table of Elements

• family

• period

• row

• isotope