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Third Grade (Grade 3) Oceanography and Hydrology Questions

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Grade 3 Oceanography and Hydrology
Only about 3% of water on Earth is
  1. salty.
  2. tap water.
  3. fresh water.
Grade 3 Oceanography and Hydrology
What is the invisible gas called that water turns into when it evaporates?
  1. oxygen
  2. condensation
  3. precipitation
  4. water vapor
Grade 3 Oceanography and Hydrology
Which word better fits the sentence?

A                 is a section of an ocean partly surrounded by land.
  1. sea
  2. zone
Grade 3 Oceanography and Hydrology
Most of Earth's water is found in the                .
  1. lakes
  2. oceans
  3. creeks
  4. rivers
Grade 3 Oceanography and Hydrology
Where do most ocean organisms live?
  1. on islands
  2. deep waters
  3. shallow waters
  4. the ocean's surface
Grade 3 Oceanography and Hydrology
Fresh drinking water does not come from which of the following?
  1. ocean
  2. rivers
  3. reservoirs
  4. wells
Grade 3 Oceanography and Hydrology
Which word better fits the sentence?

The Gulf Stream                 brings warm ocean water northward along the East Coast of the United States.
  1. Tide
  2. Current
Grade 3 Oceanography and Hydrology
What is the ocean closest to Florida called?
  1. Pacific Ocean
  2. Atlantic Ocean
  3. Indian Ocean
  4. Caspian Sea
Grade 3 Oceanography and Hydrology
These are two types of water related environments.
  1. Ocean
  2. Fresh water
  3. Rivers
  4. Salt water
  5. Streams
Grade 3 Oceanography and Hydrology
The largest bodies of water on Earth are                .
  1. lakes
  2. rivers
  3. oceans
  4. seas
Grade 3 Oceanography and Hydrology
Which word better fits the sentence?

The largest                 is the Pacific.
  1. sea
  2. ocean
Grade 3 Oceanography and Hydrology
Which word better fits the sentence?

Earth's five                 cover about seventy percent of the planet.
  1. seas
  2. oceans
Grade 3 Oceanography and Hydrology
What organisms grow attached to a reef?
  1. Moss and mushrooms
  2. Mold and mildew
  3. Sponges and corals
  4. Crystals and minerals
Grade 3 Oceanography and Hydrology
Marshes consist of                 and saltwater wetlands with tall grasses.
  1. sandy-bottom
  2. sand dunes
  3. freshwater
  4. beaches
Grade 3 Oceanography and Hydrology
Which word best fits the sentence?

The level of ocean water becomes deeper during high                .
  1. tide
  2. wave
  3. current
Grade 3 Oceanography and Hydrology
A large wave that destroys land and causes flooding is a
  1. tornado.
  2. hurricane.
  3. tide.
  4. tsunami.
Grade 3 Oceanography and Hydrology
Which word better fits the sentence?

We had to move our beach towels as the ocean water moved toward us during high                .
  1. tide
  2. wave
Grade 3 Oceanography and Hydrology
Which word better fits the sentence?

The salinity of ocean water is                 than the salinity of river water.
  1. lower
  2. higher
Grade 3 Oceanography and Hydrology
Bodies of fresh water that flow north to south or east to west are called                .
  1. ponds
  2. rivers
  3. oceans
  4. lakes
Grade 3 Oceanography and Hydrology
Tsunamis can travel up to 500 miles per hour and can reach a height of 100 feet.
  1. True
  2. False
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