Font size
WorksheetsReading Assignment Oceans Quiz
Total questions: 20
Worksheet time: 23mins
Why does seawater look blue under bright sunshine?
It reflects all colors including blue
It absorbs all colors including blue
It absorbs all colors except blue
It reflects all colors except blue
What is the main difference between seas and lakes?
Color and temperature
Shape and vegetation
Depth and location
Size and saltiness
What percentage of the Earth's surface do oceans cover?
70%
90%
30%
50%
How are oceans formed?
By rainwater filling low-lying areas
By volcanic eruptions
By asteroid impacts
By earthquakes
What is the smallest and coldest ocean?
Arctic Ocean
Pacific Ocean
Indian Ocean
Atlantic Ocean
What is bioluminescence in marine animals?
Generating light through photosynthesis
Absorbing light from the sun
Creating their own light using chemicals
Reflecting light from the moon
What is the main purpose of kelp forests for marine life?
Hiding spot for predators
Breeding ground for fish
Source of food and protective shelter
Place for sunbathing
Which zone of the ocean is in total darkness?
Midnight zone
Sunlit zone
Abyss
Twilight zone
What is the primary function of seagrasses in the ocean?
Provide habitat for sea animals
Act as camouflage for predators
Create barriers against storms
Serve as a source of fresh water
What do some marine animals use seashells for?
Collecting food
Building nests
Attracting mates
Body armor
What is the main reason for the pressure in the abyss zone?
Amount of water above it
Temperature difference
Presence of volcanic activity
Underwater earthquakes
What is the primary purpose of mangroves for marine life?
Provide coastal homes
Serve as hunting grounds
Act as breeding sites
Offer protection from storms
What is the primary function of coral in the ocean?
Protection against predators
Hiding spot for prey
Source of fresh water
Underwater playground and shelter
What is the main factor influencing ocean waves?
Underwater earthquakes
Tides and currents
Temperature and salinity
Wind speed, distance, and direction
What is the primary reason for the saltiness of oceans?
Water evaporating and leaving behind salt
Underwater volcanic eruptions
Chemical reactions with rocks
Presence of salt mines
Name five (5) interesting facts that you find in the book so far!
Write three sentences using three interesting new words that you have found from the book!
Name five (5) efforts that needed to be done to protect our ocean!
If you may have some suggestions for the book, provide three suggestions to improve the book!
Does the book changed your perception about the ocean? Yes or not? Please explain your reason!
