MEDIUM
Earn 100

Distinguish between spring tide and neap tide.

Important Questions on Movements of the Seas

HARD

Missing Letters: (Find the missing letters in the following words by using hints)
D _ A _ E _ D: (Most saline sea in the world) 

HARD
Why the ocean water is salty? What is the average salinity of ocean water? 
MEDIUM
When the moon is in its first and last quarter, the tides are highest. These tides are called spring tides.
HARD

Word Jumble: Rearrange the letters to form the words according to the hint given.
GUHRTO : (The lowest point of the wave) 

MEDIUM

Increased evaporation decreases salinity.
HARD

Missing Letters: (Find the missing letters in the following words by using hints)

 _ A _ I __ : (Salty water)

MEDIUM
What are the factors affecting the height of the waves?
HARD

The highest point of the waves is termed as crest.
HARD

Word Jumble: Rearrange the letters to form the words according to the hint given: 

IEDST: (Rise and fall of sea water)

HARD

Missing Letters: (Find the missing letters in the following words by using hints) 

N _ A __ I __ S: (Sun and Moon are at right angles) 

MEDIUM
The rhythmic rise and fall of ocean water twice in a day is called _____.
HARD
Which type of tide raises the water level close to shores?
HARD
Tidal energy is a renewable source of energy. 
HARD
There is greater variation of salinity in partly or wholly enclosed seas. Give reasons.