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6th Grade Science Ocean Review

Total questions: 42

Worksheet time: 21mins

Name
Class
Date
1.

Identify the ocean

a)

Pacific

b)

Indian

c)

Atlantic

d)

Southern

2.

How many grams of dissolved salt are in one Kilogram of seawater

a)

55 grams

b)

3.5 grams

c)

35 grams

d)

965 grams

3.

True or False: Magnesium Chloride is the most abundant salt in seawater

a)

TRUE

b)

FALSE

4.

Identify the Ocean

a)

Pacific

b)

Atlantic

c)

Southern

d)

Arctic

5.

True or False: Precipitation Increases Salinity

a)

TRUE

b)

FALSE

6.

True or False: Earthquakes Increase Ocean Salinity

a)

TRUE

b)

FALSE

7.

Which of these is NOT a source of the chemicals that form Ocean Salts

a)

Underwater Volcanoes

b)

Underwater Vents

c)

Underwater Landslides

d)

Weathering and Erosion of Rocks

8.

What is the Wave Height at a Wind Speed of 15 m/s

a)

6 meters

b)

3 meters

c)

8 meters

d)

7 meters

9.

True or False: As Wind Speed increases, Wave Height Increases

a)

TRUE

b)

FALSE

10.

Differences in water density are the primary cause of:

a)

Deep Currents

b)

Tides

c)

Surface Currents

d)

Underwater Waves

11.

Identify the Ocean

a)

Pacific

b)

Indian

c)

Atlantic

d)

Arctic

12.

Which of the following is NOT a cause of Underwater Waves?

a)

Volcanoes

b)

Earthquakes

c)

Landslides

d)

Wind

13.

Which of the following is NOT true about Wind?

a)

Wind creates surface waves

b)

Wind creates the tides

c)

Wind is affected by the Coriolis effect

d)

Wind drives surface currents

14.

During which Moon Phases do Spring Tides occur?

a)

New Moon and Full Moon

b)

1st Quarter and 3rd Quarter

c)

Waxing Crescent and Waning Crescent

d)

Full Moon and 1st Quarter

15.

True or False: Spring Tides have the Greatest daily Tidal Range

a)

TRUE

b)

FALSE

16.

True or False: Neap Tides occur when the Sun, Earth, and Moon are in a straight line

a)

TRUE

b)

FALSE

17.

Which of the following occurs only during the 1st Quarter and 3rd Quarter Moon Phases?

a)

High Tides

b)

Spring Tides

c)

Neap Tides

d)

Red Tides

18.

The Coriolis Effect causes ocean currents to turn ___

a)

Counterclockwise in the Northern Hemisphere

b)

Away From Continents

c)

Clockwise in the Northern Hemisphere

d)

Clockwise in the Southern Hemisphere

19.

Which of the following affect Surface Currents?

a)

Global Winds

b)

Moon Phases

c)

The Coriolis Effect

d)

Continental Deflection

20.

True or False: Deep currents carry warm water away from the equator

a)

TRUE

b)

FALSE

21.

True or False: Deep Currents have a Higher Salinity than Surface Currents

a)

TRUE

b)

FALSE

22.

Identify the Ocean

a)

Indian

b)

Pacific

c)

Southern

d)

Arctic

23.

True or False: Surface Currents are Warmer than Deep Currents

a)

TRUE

b)

FALSE

24.

Which of the following has the highest density?

a)

Warm water with low salinity

b)

Warm water with high salinity

c)

Cold water with high salinity

d)

Cold water with low salinity

25.

Based on Temperature, which ocean do you expect to have the lowest Surface Salinity?

a)

Arctic Ocean

b)

Atlantic Ocean

c)

Indian Ocean

d)

Pacific Ocean

26.

The Dead Sea has a high salinity primarily due to ___

a)

Heavy Evaporation

b)

Pollution

c)

Heavy Precipitation

d)

Deposition

27.

True or False: High Tides only occur during the Full Moon and the New Moon

a)

TRUE

b)

FALSE

28.

Spring Tides have the ___

a)

Highest Low Tides and the Lowest High Tides

b)

Lowest Low Tides and the Highest High Tides

c)

Lowest Low Tides and the Lowest High Tides

d)

Highest Low Tides and the Highest High Tides

29.

True or False: Neap Tides have the Lowest High Tides and the Highest Low Tides

a)

TRUE

b)

FALSE

30.

Tides are caused by ___

a)

The Gravity of the Sun and the Moon

b)

The Coriolis Effect

c)

The Gravity of the Moon Alone

d)

The Gravity of the Sun Alone

31.

The greatest daily Tidal Range occurs ___

a)

During a Neap Tide

b)

During a Quarter Moon

c)

When the Sun, Moon, and Earth are in a straight line

d)

When the Sun, Moon, and Earth form a right angle

32.

Identify the Ocean

a)

Atlantic

b)

Indian

c)

Southern

d)

Arctic

33.

True or False: Underwater Vents are a cause of Tsunamis

a)

TRUE

b)

FALSE

34.

The Tonga Tsunami was caused by ___

a)

A Landslide

b)

Wind

c)

A Volcano

d)

An Earthquake

35.

True or False: Melting polar ice caps decrease surface salinity

a)

TRUE

b)

FALSE

36.

Which of the following most likely increases ocean surface salinity?

a)

Heavy precipitation

b)

Warm Temperature

c)

Cold Temperature

d)

Rivers flowing into the ocean

37.

Earthquakes cause ___

a)

Continental Deflection

b)

Underwater Waves

c)

The Coriolis Effect

d)

Surface Currents

38.

True or False: Antarctica is closest to the Arctic Ocean

a)

TRUE

b)

FALSE

39.

The smallest daily Tidal Range occurs ___

a)

When the Sun, Earth, and Moon are in a straight line

b)

During a Full or New Moon

c)

During a Spring Tide

d)

When the Sun, Earth, and Moon form a right angle

40.

Which of the following best describes the Coriolis Effect

a)

The Moon's gravitational pull on the tides

b)

A curve given to wind and surface currents by Earth's rotation

c)

The redistribution of salt and nutrients on the great conveyor belt

d)

Surface Currents change direction when encountering continents

41.

BONUS: Which of the following animals do NOT live in or near the Arctic Ocean

a)

Polar Bears

b)

Beluga Whales

c)

Walruses

d)

Penguins

42.

BONUS: Which of the following animals do not live in or near the Southern Ocean

a)

Penguins

b)

Elephant Seals

c)

Polar Bears

d)

Leopard Seals