Marine Science - Unit 1 / / The Earth and Its Oceans

Iron is a metallic, magnetic _______.

Which physical property affects how much light reaches producers?

The usual direction that the wind blows in aparticular location. The UK has __________ windsfrom the south west.

How deep is the Mariana Trench at its deepest point?

Why do producers need oxygen?

Latitude measures distance from...?

The study of rocks and the structures andprocesses of the crust is called _____________

What happens to the rate of photosynthesis in warmer water?

A network of artificial satellites that form a navigational system _{(think sat nav, Google Maps etc.)}

Water with a very low concentration of salts which is suitable for drinking water is called

The steep slope from the continental shelf to the abyssal plain is called?_{hint:the ocean floor slopes steeply down}

The hot, dense centre of the earth. The _____ core is solid andmainly metal. It is highly radioactive.

Which of these seas is part of an ocean? _{hint - some seas are inside bigger oceans!}

What is a tsunami?

Which seabed feature is a long underwater mountain range formed by tectonic plates?

What does ocean upwelling bring to surface waters?

Upwelling is a...?

Which is NOT a layer of the Earth?

What do these lines represent?

A satelite is a...?

How can high salinity harm primary producers?

Which boundary type forms mid‑ocean ridges?

What do the lines in the picture represent?

Subduction zones are associated with...

Which is the largest Ocean?

What does the salinity of seawater describe?

The Mediterranean Sea is almost completely surrounded by land.

What happens to enzymes if the temperature is too high?

Is the plate boundary in the picture a convergent plate boundary?_{hint:'convergent plate come together'}

Spring tides occur during?

What force keeps the Earth in orbit around the Sun?

The wearing away of rock along a coastline is known as _______

A pair of numbers used to identify a point are called?

What plate boundary is shown on the picture?_{hint : it is also called 'conservative'}

Which of the following sentences correctly describes an ecosystem?

Which part of the continent lies under shallow ocean water and ends in a steep drop?

What causes tides in the ocean?

How does low pH (more acidity) affect producers?

The hot, dense centre the earth. The _____core is mainly molten metal that creates the Earth’s magnetic field.

Which of these describes an ocean current?

What is the steep area where the continental shelf drops to the deep ocean floor?

Movement of organisms from one place toanother. Can be seasonal or take a number ofyears.

Which part of the ocean floor is wide, flat, and deep, covering much of the seafloor?

Ocean contain __ % of the Earth's water

How long is the lunar cycle?

Which of the following best describes tides?

A rip current is a...?

How often do tides typically change in a day?

What is the deepest point of the Pacific Ocean?

What type of plate boundary is shown on the picture?_{hint:it is also called 'constructive '}

The generally flat ocean floor at depth of 3000-6000m is called the ...?

What causes ocean currents?

Why is light essential for primary producers?

The outermost layer of the Earth, made of solid rock.

What material is the Earth's core mostly made of?

Plotting a course from one place to another is called__?

A deep underwater valley formed by subduction(oceanic crust sliding under continental crust).

Tides at the quarter Moons. Lower high tides andhigher low tides are called

The change of a solid to a liquid as heat is taken in from the environment.