ESL5 (1-2) Social Studies: the movement of the ocean

The oceans and seas are never still.

• True

• False

The water moves all the time because of ........

• tides

• waves

• currents

• sun

How many times does the level of the ocean rise a day?

• fourth

• twice

• thrice

• once

When the level of the ocean rises, we say it is......

• low tide

• high tide

• in

• out tide

How many times does the level of the water fall?

• twice

• once

• thric

• fourth

When the level of the water falls, it is....

• high tide

• low tide

• in

• up tide

Tides are caused mainly by....

• pull of the Earth's gravity

• pull of the Moon's gravity

• pull of the Sun's gravity

• pull of the Satin's gravity

They occur twice each month when the Sun and Moon are both on the same side of the Earth.

• waves

• spring tides

• current

• falls

They are big ripples of water caused by the wind.

• spring tides

• waves

• currents

They are like giant rivers of water moving slowly through the oceans.

• spring tides

• currents

• waves